1.
I. Appenzeller: The polarization of Beta Lyrae, ApJ 141, 1390
(1965)
2.
I. Appenzeller: Polarimetrische, photometrische und spektroskopische
Beobachtungen von Sternen im Cygnus und Orion, Zeitschr. f. Ap.
64, 269 (1966)
3.
I. Appenzeller: Die Struktur des Magnetfelds im lokalen Spiralarm
nahe der galaktischen Ebene
und in der Orionassoziation, Zeitschr. f. Ap.
64, 296 (1966)
4.
I. Appenzeller and E.H. Schroeter:
Center-to-limb variations of the intensity and the wavelength of
several Fraunhofer lines along the sun's polar and equatorial diameter,
ApJ 147, 1100 (1967)
5.
I. Appenzeller: MK spectral types for 185 Bright Stars, Publ. Astr.
Soc. Pacific 79, 102 (1967)
6.
I. Appenzeller: A new polarimeter for faint astronomical objects,
Publ. Astr. Soc. Pacific 79, 136 (1967)
7.
I. Appenzeller and C.R. O'Dell:
Polarization of the Taurus infrared source,
ApJ (Letters) 149, L5 (1967)
8.
I. Appenzeller and W. A. Hiltner:
Polarimetric observations of 14 Quasi-stellar objects,
ApJ (Letters) 149, L17 (1967)
9.
I. Appenzeller and W.A. Hiltner:
True polarization curves for Beta Lyrae,
ApJ 149, 353 (1967)
10.
I. Appenzeller: Polarimetric observations of spiral galaxies,
Publ. Astr. Soc. Pacific 79, 600 (1967)
11.
I. Appenzeller: On the optical polarization of 3C273, ApJ 151,
769 (1968)
12.
I. Appenzeller: Polarimetric observations of nearby stars in the
direction of the galactic poles and the galactic plane, ApJ 151,
907 (1968)
13.
I. Appenzeller and E.H. Schroeter:
A statistical analysis of large scale brightness and velocity
fluctuations in the solar atmosphere,
Solar Physics 4, 131 (1968)
14.
I. Appenzeller: The evolution of a vibrationally unstable very
massive main-sequence star of 130 Mo ,Astron. Astrophys. 5, 355
(1970)
15.
I. Appenzeller: Mass loss rates for vibrationally unstable very
massive main-sequence stars,
Astron. Astrophys. 9, 216 (1970)
16.
I. Appenzeller and R. Kippenhahn:
General relativistic secular instability of supermassive stars,
Astron. Astrophys. 11, 70 (1971)
17.
I. Appenzeller: Observational evidence for Parker's instability of the
interstellar gas and magnetic field, Astron. Astrophys. 12, 313 (1971)
18.
I. Appenzeller and K. Fricke:
Hydrogen burning supermassive stars,
Astron. Astrophys. 12, 488 (1971)
19.
I. Appenzeller and K. Fricke:
Hydrodynamic model calculations for supermassive stars I. The collapse
of a nonrotating 0.75 x 10^6 Mo star,
Astron. Astrophys. 18, 10 (1972)
20.
I. Appenzeller and K. Fricke:
Hydrodynamic model calculations for supermassive stars II. The
collapse and explosion of a nonrotating 5.2 x 10^5 Mo star,
Astron. Astrophys. 21, 285 (1972)
21.
I. Appenzeller: Light variations of high luminosity O and B stars in
the Large Magellanic Cloud,
Publ. Astr. Soc. Japan 24, 483 (1972)
22.
I. Appenzeller and W. Tscharnuter:
Exploding massive objects,
Astron. Astrophys. 25, 125 (1973)
23.
W. Unno, E. Ribes, I. Appenzeller:
On the structure and the motion of a spicule,
Solar Physics 35, 287 (1974)
24.
I. Appenzeller and W. Tscharnuter:
The evolution of a massive protostar,
Astron. Astrophys. 30, 423 (1974)
25.
I. Appenzeller: The short-term light variations of S Dor and HD 37836,
Astron. Astrophys. 32, 469 (1974)
26.
I. Appenzeller: Interaction between the Barnard Loop Nebula and the
interstellar magnetic field,
Astron. Astrophys. 36, 99 (1974)
27.
I. Appenzeller: Lower limits for the interstellar reddening at the
galactic poles,
Astron. Astrophys. 38, 313 (1975)
28.
I. Appenzeller and W. Tscharnuter:
On the luminosity of spherical protostars,
Astron. Astrophys. 40, 397 (1975)
29.
J. Krautter, I. Appenzeller, C. Moellenhoff:
The brightness of 3C279 between 1892 and 1926,
Astron. Astrophys. 52, 149 (1976)
30.
I. Appenzeller and B. Wolf:
S CrA: A bright southern YY Orionis star,
Astron. Astrophys. 54, 713 (1977)
31.
B. Wolf, I. Appenzeller, C. Bertout:
High dispersion spectroscopy and an interpretation of the Balmer line
profiles of the suspected protostar S CrA,
Astron. Astrophys. 58, 163 (1977)
32.
I. Appenzeller: Image tube spectrograms of southern young emission
line objects,
Astron. Astrophys. 61, 21 (1977)
33.
I. Appenzeller, R. Mundt, B. Wolf:
The spectrum of the bright YY Orionis star CoD -35^0 10525,
Astron. Astrophys. 63, 289 (1978)
34.
I. Appenzeller: The YY Orionis stars in the Chamaeleon T-association,
Astron. Astrophys. 71, 305 (1979)
35.
I. Appenzeller and B. Wolf:
The satellite UV spectrum of S CrA,
Astron. Astrophys. 75, 164 (1979)
36.
B. Wolf and I. Appenzeller:
The UV resonance lines of zeta^1 Sco,
Astron. Astrophys. 78, 15 (1979)
37.
C. Chavarria, I. Appenzeller, C. Bertout:
Radial velocities of emission and absorption lines in the spectrum of
the unusual T Tauri star V 1331 Cygni, Astron.
Astrophys. Suppl.36, 465 (1979)
38.
I. Appenzeller and B. Wolf:
IUE observations of the extreme B1 supergiant zeta^1 Sco", Astron. Astrophys.
Suppl. 38, 51 (1979)
39.
I. Appenzeller and C. Moellenhoff:
Image tube spectrograms of NGC 5128 (Cen A),
Astron. Astrophys. 81, 54 (1980)
40.
I. Appenzeller, J. Krautter, J. Smolinski, B. Wolf:
Spectroscopic evidence of strong mass flow variations in the envelope
of the T Tauri star DR Tau,
Astron. Astrophys. 86, 113 (1980)
41.
B. Wolf, I. Appenzeller, A. Cassatella:
IUE and groundbased observations of the LMC star S Doradus", Astron.
Astrophys. 88, 15 (1980)
42.
I. Appenzeller and H.J. Wendker:
The Cygnus X region XII. On the excitation and distance of the Gamma
Cygni H II region, Astron. Astrophys. 89, 239 (1980)
43.
I. Appenzeller, C. Chavarria, J. Krautter, R. Mundt, B. Wolf:
UV spectrograms of T Tauri stars,
Astron. Astrophys. 90, 184 (1980)
44.
R. Mundt, I. Appenzeller, C. Bertout, C. Chavarria, J. Krautter:
IUE observations of V 1331 Cyg, Astron. Astrophys. 93, 412 (1981)
45.
I. Appenzeller and G. Gaida:
Optical spectroscopic and electronographic observations of the radio
galaxy IC 5063, Astron. Astrophys. 102, 230 (1981)
46.
B. Wolf, I. Appenzeller, O. Stahl:
IUE and groundbased observations of the S Dor-type LMC variable R 71
during minimum state,
Astron. Astrophys. 103, 94 (1981)
47.
H. Zekl, G. Klare, I. Appenzeller:
Optical brightness variations of BL Lac objects,
Astron. Astrophys. 103, 342 (1981)
48.
I. Appenzeller and B. Wolf:
YY Orionis profiles in the spectrum of RW Aurigae,
Astron. Astrophys. 105, 313 (1982)
49.
G. Marenbach and I. Appenzeller:
The optical spectrum of the radio galaxy PKS 2152-69,
Astron. Astrophys. 108, 95 (1982)
50.
A. Aiad, I. Appenzeller,
G. Marenbach, B. Wolf, J.L. Climenhaga, J. Smolinski:
On the absorption spectrum of RW Aurigae, Publ. Astr. Soc.
Pacific 95, 656 (1983)
51.
I. Appenzeller, I. Jankovics, J. Krautter:
Spectroscopy and infrared photometry of southern T Tauri stars,
Astron. Astrophys. Suppl. 53, 291 (1983)
52.
I. Appenzeller, R. Oestreicher, J.G. Schiffer, K.E. Egge, B.R.
Pettersen:
The short-term spectral variability of the T Tauri star RW Aur,
Astron. Astrophys. 118, 75 (1983)
53.
I. Appenzeller, C. Chavarria-K., U. Finkenzeller, E. de Lara, O.
Cardona:
On the nature of the (intermittent?) emission line star
LkH-alpha 324,
Astron. Astrophys. 118, 189 (1983)
54.
I. Jankovics, I. Appenzeller, J. Krautter:
Blueshifted forbidden lines in T Tauri stars,
Publ. Astr. Soc. Pacific 95, 883 (1983)
55.
A. Aiad,
I. Appenzeller, C. Bertout, S. Isobe, M. Shimizu, O. Stahl, M.F. Walker,
B. Wolf:
Coordinated spectroscopic observations of YY Orionis stars,
Astron. Astrophys. 130, 67 (1984)
56.
I. Appenzeller and D.S.P. Dearborn:
Brightness variations caused by surface magnetic fields in
pre-main-sequence stars,
ApJ 278, 689 (1984)
57.
I. Appenzeller, I. Jankovics, R. Oestreicher:
Forbidden-line profiles of T Tauri stars,
Astron. Astrophys. 141, 108 (1984)
58.
C. Leitherer, I. Appenzeller, G. Klare, H.J.G.L.M.
Lamers, O. Stahl, L.B.F.M. Waters, B. Wolf:
The massive wind of S Dor, Astron. Astrophys. 153,
168 (1985)
59.
I. Appenzeller, I. Jankovics, R. Jetter:
A high resolution atlas of two T Tauri stars, Astron. Astrophys. Suppl.
64, 65 (1986)
60.
F.J. Zickgraf, B. Wolf, O. Stahl, C. Leitherer, I. Appenzeller:
B[e] supergiants of the Magellanic Clouds, Astron. Astrophys.
163, 119 (1986)
61.
I. Appenzeller and G. Muench:
Rotational structure of the (2,0) Phillips bands in Comet P/Halley,
Astron. Astrophys. 187,
465 (1987)
62.
I. Appenzeller and R. Oestreicher:
High-ionization line profiles of Seyfert galaxies,
Astron. J. 95, 45 (1988)
63.
I. Appenzeller, A. Reitermann, O. Stahl:
High-resolution spectroscopy of DR Tauri,
Publ. Astr. Soc. Pacific 100, 815 (1988)
64.
S. Wagner and I. Appenzeller:
A high resolution study of the extended nuclear emission region of
NGC 5728, Astron. Astrophys. 197, 75 (1988)
65.
O. Stahl, T.L. Wilson, C. Henkel, I. Appenzeller:
The 12CH^+/13CH^+ ratio toward zeta Oph, Astron. Astrophys.
221, 321 (1989)
66.
I. Appenzeller and S. Wagner:
Emission-line profiles of two T Tauri stars with weak non-photospheric
continua,
Astron. Astrophys. 225, 432 (1989)
67.
S. Wagner and I. Appenzeller:
An off-center NLR with exceptionally broad lines,
Astron. Astrophys. 225, L 13 (1989)
68.
M.V. Penston, I. Appenzeller et al.:
The extended narrow line region of NGC 4151 I,
Astron. Astrophys. 236, 53 (1990)
69.
J. Krautter, I. Appenzeller, I. Jankovics:
High-resolution spectroscopy of YY Orionis stars, Astron. Astrophys.
236, 416 (1990)
70.
K. Anton, S. Wagner, I. Appenzeller:
Detection of the coronal line [Fe X] 6374 in the cooling
flow cluster A1795,
Astron. Astrophys. 246,
L51 (1991)
71.
I. Appenzeller and S.J. Wagner:
Forbidden high-ionization lines in QSO spectra,
Astron. Astrophys. 250, 57 (1991)
72.
J. Bouvier and I. Appenzeller:
A magnitude-limited spectroscopic and photometric survey of the
Rho Ophiuchus X-ray sources,
Astron. Astrophys. Suppl. Ser. 92, 481 (1992)
73.
W. Mauder,
I. Appenzeller, K.-H. Hofmann, S.J. Wagner, G. Weigelt, P. Zeidler:
Speckle masking observations of the Seyfert galaxy NGC 1386,
Astron. Astrophys. 264, L9 (1992)
74.
W. Mauder, G. Weigelt, I. Appenzeller, S.J. Wagner:
High resolution optical images of the starburst ring arround the
Seyfert nucleus
of NGC 7469, Astron.
Astrophys. 285, 44 (1994)
75.
I. Appenzeller,
H. Mandel, J. Krautter, S. Bowyer, M. Hurwitz, M. Grewing,
G. Kraemer, N. Kappelmann:
Medium-resolution FUV spectroscopy of PKS 2155-304,
Astrophys. J. Letters 439, L33 (1995)
76.
F.J. Zickgraf, J. Kovacs,
B. Wolf, O. Stahl, A. Kaufer, I. Appenzeller:
R4 in the SMC: a B[e]/LBV-type spectroscopic binary,
Astron. Astrophys. 309, 505 (1996)
77.
H. Mandel,
I. Appenzeller, J. Barnstedt, M. Goelz, M. Grewing, W. Gringel,
C. Haas, W. Hopfensitz, N. Kappelmann, G. Kraemer, J. Krautter:
The ORFEUS FUV Spectrum of the WN5 Star EZ CMa,
Astron. Astrophys. 310, 239 (1996)
78.
S. Wagner, A. Witzel, J. Heidt, T. B. Kriechbaum, S. J. Qian,
A. Quirrenbach,
R. Wegner, A. Aller, M. Aller, K. Anton, I. Appenzeller,
A. Eckart, A. Kraus,
C. Naundorf, R. Kneer, W. Steffen, J. A. Zensus:
Rapid Variability in S5 0716+714 accross the Electromagnetic
Spectrum,
Astron. J. 111, 2187 (1996)
79.
J. Zweigle, M. Grewing, J. Barnstedt,
M. Goelz, W. Gringel, C. Haas, W. Hopfensitz, N. Kappelmann,
G. Kraemer, I. Appenzeller, J. Krautter, H. Mandel:
ORFEUS observations of SVI, OVI, and PV in the stellar wind from
the nucleus of NGC 6543,
Astron. Astrophys. 321, 891 (1997)
80.
U. Erkens, I. Appenzeller, S. Wagner:
The Nature of the FHIL Winds from AGN,
Astron. Astrophys. 323, 707 (1997)
81.
F.-J. Zickgraf, I. Thiering, , J. Krautter, I. Appenzeller,
R. Kneer, W. H. Voges, B. Ziegler, C. Chavarria, A. Serrano,
R. Mujica, M. Pakull, J. Heidt:
Identification of a complete sample of northern ROSAT All-Sky
Survey X-ray Sources. II. The optical observations,
Astron. Astrophys. Suppl. Ser. 123, 103 (1997)
82.
F.-J. Zickgraf, W. H. Voges, J. Krautter,
I. Thiering, I. Appenzeller, R. Mujica, A. Serrano:
Identification of a complete sample of northern ROSAT All-Sky
Survey X-ray Sources. V. Discovery of a z=4.28 QSO near the RASS
source RX J1028.6-0844,
Astron. Astrophys. 323, L21 (1997)
83.
J.H.M.M. Schmitt,
J. Krautter, I. Appenzeller, H. Mandel, R. Wichmann, J. Barnstedt,
M. Grewing, M. Goelz, W. Gringel, C. Haas, W. Hopfensitz,
N. Kappelmann, G. Kraemer:
Simultaneous ORFEUS FUV and ROSAT X-ray observations of
the young rapid rotator AB Doradus,
Astron. Astrophys. 325, 249 (1997)
84.
I. Appenzeller, I. Thiering, F.-J. Zickgraf, J. Krautter,
W. H. Voges, C. Chavarria, R. Kneer, R. Mujica, M. Pakull,
C. Rosso, F. Ruzicka, A. Serrano, B. Ziegler:
Identification of a complete sample of northern ROSAT All-Sky
Survey X-ray Sources. III. The catalogue:
Astrophys. J. Suppl. Ser. 117, 319 (1998)
85.
I. Appenzeller, J. Krautter, H. Mandel, S. Bowyer,
V. Dixon, M. Hurwitz, J. Barnstedt, M. Grewing, N. Kappelmann,
G. Kraemer:
ORFEUS II Far Ultraviolet Observations of 3C273: The Intrinsic
Spectrum,
Astrophys. J. Letters 500, L9 (1998)
86.
M. Hurwitz, I. Appenzeller,
J. Barnstedt, S. Bowyer, W. V. D. Dixon, M. Grewing, N. Kappelmann,
G. Kraemer, J. Krautter, H. Mandel:
ORFEUS II Far Ultraviolet Observations of 3C273: Interstellar
and Intergalactic Absorption Lines,
Astrophys. J. Letters 500, L67 (1998)
87.
F.-J. Zickgraf, J.M. Alcala, J. Krautter, M. F. Sterzik,
I. Appenzeller, C. Motch, M.W. Pakull:
Identification of a complete sample of northern ROSAT All-Sky
Survey X-ray Sources. VI. K to M-type stars south of Taurus-Auriga,
Astron. Astophys. 339, 457, (1998)
88.
Richter, P., Widmann H., de Boer, K.S., Appenzeller, I.,
Barnstedt, J., Goelz, M., Grewing, M., Gringel, W., Kappelmann, N.
Kraemer, G., Mandel, H., Werner, K.:
ORFEUS II echelle spectra: H_2 absorption in the SMC gas,
Astron. Astrophys. 338, L9 (1998)
89.
Widmann H., de Boer, K.S., Richter, P., Kraemer, G.,
Appenzeller, I., Barnstedt, J., Goelz, M., Grewing, M.,
Gringel, W., Kappelmann, N., Mandel, H., Werner, K.:
ORFEUS echelle spectra: The scale height of the interstellar
O VI in the halo,
Astron. Astrophys. 338, L1 (1998)
90.
Barnstedt, J., Kappelmann, N., Appenzeller, I., Fromm, A.,
Goelz, M., Grewing, M., Gringel, W., Haas, C., Hopfensitz, W.,
Kraemer, G., Krautter, J., Lindenberger, A., Mandel,
H., Widmann H.:
The ORFEUS echelle spectrometer: Instrument description,
performance and data reduction:
Astron. Astrophys. Suppl. 134, 561 (1999)
91.
H. M. Schmid, J. Krautter, I. Appenzeller, J. Barnstedt,
T. Dumm, A. Fromm, M. Goelz, M. Grewing,
W. Gringel, C. Haas, W. Hopfensitz, N. Kappelmann,
G. Kraemer, A. Lindenberger, H. Mandel, U. Muerset,
H. Schild, W. Schmutz, H. Widmann:
ORFEUS spectroscopy of the O VI lines in Symbiotic stars
and the Raman scattering process,
Astron. Astrophys. 348, 950 (1999)
92.
J. Krautter, F.-J. Zickgraf, I. Appenzeller, I. Thiering,
W. H. Voges, C. Chavarria, R. Kneer, R. Mujica, M. Pakull,
A. Serrano, B. Ziegler:
Identification of a complete sample of northern ROSAT All-Sky
Survey X-ray Sources. IV. Statistical analysis,
Astron. Astrophys. 350, 743 (1999)
93.
M. Dietrich, I. Appenzeller, S.J. Wagner, W. Gaessler,
R. Haefner, H.-J. Hess, W. Hummel, B. Muschielok, H. Nicklas,
G. Rupprecht, W. Seifert, O. Stahl, T. Szeifert, K. Tarantik:
Spectroscopic study of high redshift quasars,
Astron. Astrophys. 352, L1 (1999)
94.
C. Moellenhoff, I. Appenzeller, W. Gaessler,
R. Haefner, J. Heidt, W. Hummel, B. Muschielok, H. Nicklas,
G. Rupprecht, W. Seifert, O. Stahl, T. Szeifert:
Morphological structure and colors of NGC 1232 and NGC 1288,
Astron. Astrophys. 352, L5 (1999)
95.
J. Heidt, K. Nilsson, I. Appenzeller, K. Jaeger, T. Szeifert,
W. Gaessler, R. Haefner, W. Hummel, B. Muschielok, H. Nicklas,
O. Stahl:
Observations of the host galaxies of the BL Lacertae
objects H0414+009 and OJ 287 with FORS1 at VLT-UT1,
Astron. Astrophys. 352, L11 (1999)
96.
K. Jaeger, K. J. Fricke, I. Appenzeller, T. Szeifert, J. Heidt,
W. Gaessler, R. Haefner, W. Hummel, B. Muschielok, H. Nicklas,
W. Seifert, O. Stahl:
Imaging and spectroscopy with FORS1 in the field of Q0307-0015,
Astron. Astrophys. 352, L17 (1999)
97.
B. Muschielok, R.-P. Kudritzki, I. Appenzeller, F. Bresolin,
K. Butler, W. Gaessler, R. Haefner, H.-J. Hess, W. Hummel,
D.J. Lennon, K.-H. Mantel, W. Meisl, W. Seifert,
S. J. Smartt, T. Szeifert, K. Tarantik:
VLT FORS spectra of blue supergiants in the Local Group
galaxy NGC 6822,
Astron. Astrophys. 352, L40 (1999)
98.
W. Hummel, T. Szeifert, W. Gaessler, B. Muschielok,
W. Seifert, I. Appenzeller, G. Rupprecht:
A spectroscopic study of Be stars in the SMC cluster NGC 330,
Astron. Astrophys. 352, L31 (1999)
99.
I. Appenzeller, R. Bender, A. Boehm, N. Drory, K. Fricke,
R. Haefner, J. Heidt, U. Hopp, K. Jaeger, M. Kuemmel
D. Mehlert, C. Moellenhoff, A. Moorwwod, H. Nicklas,
S. Noll, R. Saglia, W. Seifert, S. Seitz, O. Stahl,
E. Sutorius T. Szeifert, S. Wagner, B. Ziegler:
The FORS Deep Field,
The Messenger, 100, 44 (2000)
100.
S. Cristiani, I. Appenzeller, S. Arnouts, M. Nonino,
A. Aragon-Salamanca, C. Benoist, L. da Costa, M. Dennefeld,
R. Rengelink, A. Renzini, T. Szeifert, S. White:
The first VLT FORS1 spectra of Lyman-break candidates
in the HDF and AXAF Deep Field,
Astron. Astrophys. 359, 489 (2000)
101.
I. Appenzeller, F.-J. Zickgraf, J. Krautter, W. Voges:
Identification of a complete sample of northern ROSAT All-Sky
Survey X-ray Sources. VII. The AGN subsample,
Astron. Astrophys. 364, 443 (2000)
102.
I. Appenzeller: Der Vorstoss in die Tiefen des Universums. 100 Jahre
Grossteleskope. Acta Historica Astronomiae 11, 20 (2000)
103.
W. Hummel, W. Gaessler, B. Muschielok, H. Schink, H. Nicklas, G. Conti,
E. Mattaini, S. Keller, K.-H. Mantel, I. Appenzeller, G. Rupprecht,
W. Seifert, O. Stahl, K. Tarantik: H-alpha emission line spectroscopy
in NGC 330. On the hybrid model for global oscillations in Be star
circumstellar disks. Astron. Astrophys. 371, 932 (2001)
104.
H.M. Schmid, I. Appenzeller, M. Camenzind, M. Dietrich, J. Heidt,
H. Schild, S. Wagner: VLT Spectropolarimetry of the high-polarization
Seyfert 1 galaxy Fairall 51.
Astron. Astrophys. 372, 59 (2001)
105.
D. Mehlert, S. Seitz, R.P. Saglia, I. Appenzeller, R. Bender, K.J. Fricke,
T.L. Hoffmann, U. Hopp, R.-P. Kudritzki, A.W.A. Pauldrach: Gravitationally
lensed high redshift galaxies in the field of 1E0657-56.
Astron. Astrophys. 379, 96 (2001)
106.
M. Dietrich, I. Appenzeller, M. Vestergaard, S.J. Wagner: High
redshift quasars and star formation in the early universe.
Astrophys. J. 564, 581 (2002)
107.
G.L. Israel, W. Hummel, S. Covino, S. Campana, I. Appenzeller,
W. Gaessler, K.-H. Mantel, G. Marconi, C.W. Mauche, U. Munari, I.
Negueruela, H. Nicklas, G. Rupprecht, R.L. Smart, O. Stahl, L. Stella:
RX J0806.3+1527: A double degenerate binary with the shortest known
orbital period (321 s).
Astron. Astrophys. 386, L13 (2002)
108.
D. Mehlert, S. Noll, I. Appenzeller, R.P. Saglia, R. Bender,
A. Boehm, N. Drory, K. Fricke, A. Gabasch, J. Heidt, U. Hopp,
K. Jaeger, C. Moellenhoff, S. Seitz, O. Stahl, B. Ziegler:
Evidence for chemical evolution in the spectra of high redshift
galaxies.
Astron. Astrophys. 393, 809 (2002)
109.
Heidt, J., Appenzeller, I., Gabasch, A., Jaeger, K., Seitz, S., Bender,
R., Boehm, A., Snigula, J., Fricke, K., Hopp, U., Kuemmel, M.,
Moellenhoff, C., Szeifert, Th., Ziegler, B., Drory, N., Mehlert,
D., Moorwood, A., Nicklas, H., Noll, S., Saglia, R.P., Seifert,
W., Stahl, O., Sutorius, E., Wagner, S.J.:
The FORS Deep Field: Field selection, photometric observations and
photometric catalog.
Astron. Astrophys. 398, 49 (2003)
110.
Dietrich, M., Appenzeller, I., Hamann, F., Heidt, J., Jaeger,
K., Vestergaard, M., Wagner, S.J.:
Elemental abundances in the Broad Emission Line Regions of Quasars
at redshifts larger than 4.
Astron. Astrophys. 398, 891 (2003)
111.
Schmid, H.M., Appenzeller, I., Burch, U.:
Spectropolarimetry of the borderline Seyfert 1 galaxy ESO 323-G077.
Astron. Astrophys. 404, 505 (2003)
112.
Frank, S., Appenzeller, I., Stahl, O.:
The metal absorption systems of the QSO 0103-260 and the galaxy redshift
distribution in the FORS Deep Field.
Astron. Astrophys. 407, 473 (2003)
113.
Dietrich, M., Hamann, F., Appenzeller, I., Vestergaard, M.:
FeII/MgII Emission Line Ratio in High Redshift Quasars.
Astrophys. J. 596, 817 (2003)
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Tapken, C., Appenzeller, I., Mehlert, D., Noll, S., Richling, S.:
The nature of the Ly-alpha emission region of FDF-4691.
Astron. Astrophys. 416, L1 (2004)
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Noll, S., Mehlert, D., Appenzeller, I., Bender, R., Boehm, A., et al.:
The FORS Deep Field spectroscopic survey.
Astron. Astrophys. 418, 885 (2004)
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Gabasch, A., Bender, R., Seitz, S., Hopp, U., Saglia, R.P., Feulner, G.,
Snigula, J., Drory, N., Appenzeller, I., Heidt, J., et al.:
The evolution of the luminosity functions in the FORS Deep Field
from low to high redshift. I. The blue bands.
Astron. Astrophys. 421, 41 (2004)
117.
Appenzeller, I., Bertout, C., Stahl, O.:
Edge-on T Tauri stars.
Astron. Astrophys. 434, 1005 (2005)
118.
Appenzeller, I., Stahl, O., Tapken, C., Mehlert, D., Noll, S.:
SDSS J1553+0056: A BALQSO mimicking a Lyman-break galaxy.
Astron. Astrophys. 435, 465 (2005)
119.
Gabasch, A., Hopp, U., Feulner, G., Bender, R., Seitz, S., Saglia, R.P.,
Snigula, J., Drory, N., Appenzeller, I., Heidt, J., et al.:
The evolution of the luminosity functions in the FORS Deep Field
from low to high redshift. I. The red bands.
Astron. Astrophys. 448, 101 (2006)
120.
Tapken, C., Appenzeller, I., Gabasch, A., Heidt, J., Hopp, U.,
Bender, R., Mehlert, D., Noll, S., Seitz, S., Seifert, S.:
Lyman-alpha emission galaxies at a redshift of z = 5.7 in the
FORS deep field.
Astron. Astrophys. 455, 145 (2006)
121.
Mehlert, D., Tapken, C., Appenzeller, I., Noll, S., de Mello, D.,
Heckman, T. M.:
Medium-resolution spectroscopy of galaxies with 2.3 < z < 3.5.
Astron. Astrophys. 455, 835 (2006)
122.
Tapken, C., Appenzeller, I., Noll, S., Richling, S., Heidt, J.,
Meinkoehn, E., Mehlert, D.:
Lyman-lapha emission in high-redshift galaxies.
Astron. Astrophys. 467, 63 (2007)
123.
Tapken, C., Appenzeller, I., Gabasch, A., Heidt, J., Hopp, U.,
Bender, R., Noll, S., Seitz, S., Richling, S.:
The Puzzle of the Lyman-alpha galaxies: New results from the VLT.
The Messenger 128, 51 (2007)
124.
Appenzeller, I., Bertout, C.:
Inclination effects in T Tauri star spectra.
Astron. Astrophys. 558, 83 (2013)
125.
Reipurth, B., Bally, J., Aspin, C., Connelley, M. S., Geballe, T. R.,
Kraus, S., Appenzeller, I., Burgasser, A.:
HH 222: A giant Herbig-Haro flow from the quadrupole system V380 Ori.
Astron. J. 146, 118 (2013)
126.
Appenzeller, I.: Astronomical technology - the past and the future.
Astron. Nachrichten 337, 694 (2016)