Publications (59)
Internal Kinematics of Spiral Galaxies in Distant Clusters
B. L. Ziegler, A. Boehm, K. Jaeger +2
The Tully-Fisher relation at intermediate redshift
A. Boehm, B. L. Ziegler, R. P. Saglia +7
Decomposition of the rotation curves of distant field galaxies
B. Fuchs, C. Moellenhoff, J. Heidt
The FORS Deep Field Spectroscopic Survey
S. Noll, D. Mehlert, I. Appenzeller +10
Quasar Elemental Abundances at High Redshifts
M. Dietrich, F. Hamann, J. C. Shields +5
An optical study of the GRB 970111 field beginning 19 hours after the Gamma-Ray Burst
J. Gorosabel, A. J. Castro-Tirado, C. Wolf +13
Variability and stability in blazar jets on time scales of years: Optical polarization monitoring of OJ287 in 2005-2009
C. Villforth, K. Nilsson, J. Heidt +45
Spectroscopic monitoring of the BL Lac object AO 0235+164
C. M. Raiteri, M. Villata, A. Capetti +3
ESO-VLT optical spectroscopy of BL Lac objects: II. New redshifts, featureless objects and classification assessments
B. Sbarufatti, A. Treves, R. Falomo +3
The structure and emission model of the relativistic jet in the quasar 3C 279 inferred from radio to high-energy gamma-ray observations in 2008-2010
M. Hayashida, G. M. Madejski, K. Nalewajko +90
The FORS Deep Field: Field selection, photometric observations and photometric catalog
J. Heidt, I. Appenzeller, A. Gabasch +21
Unveiling multiple AGN activity in galaxy mergers
A. De Rosa, S. Bianchi, T. Bogdanovic +13
Lens mass estimate in the Galactic disk extreme parallax microlensing event Gaia19dke
M. MaskoliÅ«nas, Å. Wyrzykowski, K. Howil +74
AGILE detection of a rapid gamma-ray flare from the blazar PKS 1510-089 during the GASP-WEBT monitoring
F. D'Ammando, G. Pucella, C. M. Raiteri +103
Discovery of an Optical Jet in the BL Lac Object 3C 371
K. Nilsson, J. Heidt, T. Pursimo +3
The evolution of the luminosity functions in the FORS Deep Field from low to high redshift: II. The red bands
A. Gabasch, U. Hopp, G. Feulner +12
Optical and radio variability of the BL Lac object AO 0235+16: a possible 5-6 year periodicity
C. M. Raiteri, M. Villata, H. D. Aller +33
Intraday variability in x-ray selected BL Lacertae objects
J. Heidt, S. J. Wagner
3C 294 revisited: Deep Large Binocular Telescope AO NIR images and optical spectroscopy
J. Heidt, A. Quirrenbach, N. Hoyer +11
A massive binary black-hole system in OJ287 and a test of general relativity
M. J. Valtonen, H. J. Lehto, K. Nilsson +23
Revisiting dual AGN candidates with spatially resolved LBT spectroscopy -- The impact of spillover light contamination
B. Husemann, J. Heidt, A. De Rosa +5
Day-Scale Variability of 3C 279 and Searches for Correlations in Gamma-Ray, X-Ray, and Optical Bands
R. C. Hartman, M. Villata, T. J. Balonek +36
The evolution of the Tully-Fisher relation of spiral galaxies
B. L. Ziegler, A. Boehm, K. J. Fricke +12
Lyman alpha emission in high-redshift galaxies
C. Tapken, I. Appenzeller, S. Noll +4
Evidence for chemical evolution in the spectra of high redshift galaxies
D. Mehlert, S. Noll, I. Appenzeller +14
1ES 1741+196: a BL Lacertae object in a triplet of interacting galaxies?
J. Heidt, K. Nilsson, J. W. Fried +2
AGILE detection of extreme gamma-ray activity from the blazar PKS 1510-089 during March 2009. Multifrequency analysis
F. D'Ammando, C. M. Raiteri, M. Villata +112
Internal kinematics of spiral galaxies in distant clusters Part I
B. L. Ziegler, A. Böhm, K. Jäger +2
Quasar Host Galaxies in the FORS Deep Field
C. Villforth, J. Heidt, K. Nilsson
The evolution of the luminosity functions in the FORS Deep Field from low to high redshift: I. The blue bands
A. Gabasch, R. Bender, S. Seitz +13
Detection Limits of Thermal-Infrared Observations with Adaptive Optics: I. Observational Data
J. R. Sauter, W. Brandner, J. Heidt +1
Multiwavelength observations of 3C 454.3. III. Eighteen months of AGILE monitoring of the "Crazy Diamond"
S. Vercellone, F. D'Ammando, V. Vittorini +110
The FORS Deep Field
J. Heidt, I. Appenzeller, R. Bender +20
Puzzling radial gradients of K-band absorption features in the giant elliptical galaxy M87
F. La Barbera, A. Vazdekis, A. Pasquali +8
Host galaxies and environment of BL Lac objects
J. Heidt
2QZJ215454.3-305654: a radio-quiet BL Lac object or lineless QSO?
D. Londish, J. Heidt, B. J. Boyle +2
Variability of the blazar 4C 38.41 (B3 1633+382) from GHz frequencies to GeV energies
C. M. Raiteri, M. Villata, P. S. Smith +74
Internal kinematics of spiral galaxies in distant rich galaxy clusters
K. Jaeger, A. Boehm, B. L. Ziegler +2
Multi-wavelength observations of blazar AO 0235+164 in the 2008-2009 flaring state
M. Ackermann, M. Ajello, J. Ballet +208
The optical/IR counterpart of the 3 July 1998 gamma-ray burst and its evolution
A. J. Castro-Tirado, M. R. Zapatero-Osorio, J. Gorosabel +21
Accretion disc reverberation mapping in a high-redshift quasar
F. Pozo Nuñez, E. Bañados, S. Panda +1
High-resolution imaging of Einstein Slew Survey BL Lacertae objects
J. Heidt, K. Nilsson, A. Sillanpaeae +2
Euclid preparation: XX. The Complete Calibration of the Color-Redshift Relation survey: LBT observations and data release
Euclid Collaboration, R. Saglia, S. De Nicola +183
Unusual radio variability in the BL Lac object 0235+164
A. Kraus, A. Quirrenbach, A. P. Lobanov +11
Elemental Abundances in the Broad Emission Line Region of Quasars at Redshifts larger than 4
M. Dietrich, I. Appenzeller, F. Hamann +4
Intranight polarization variability in radio-loud and radio-quiet AGN
C. Villforth, K. Nilsson, R. Ostensen +3
Variability and stability in optical blazar jets: the case of OJ287
C. Villforth, K. Nilsson, J. Heidt +1
Polarization angle swings in blazars: The case of 3C 279
S. Kiehlmann, T. Savolainen, S. G. Jorstad +61
PKS 0537-441: extended [O II] emission and a binary QSO?
J. Heidt, K. Jaeger, K. Nilsson +3
Analyzing polarization swings in 3C 279
S. Kiehlmann, T. Savolainen, S. G. Jorstad +53
The 2dF BL Lac Survey II
D. Londish, S. M. Croom, J. Heidt +6
Multiwavelength observations of a TeV-Flare from W Comae
VERITAS collaboration, V. A. Acciari, E. Aliu +167
Polarimetry of optically selected BL Lac candidates from the SDSS
J. Heidt, K. Nilsson
Gamma-ray Flaring Emission in Blazar OJ287 Located in the Jet >14 pc from the Black Hole
I. Agudo, S. G. Jorstad, A. P. Marscher +8
Properties of optically selected BL Lac candidates from the SDSS
S. D. Kügler, K. Nilsson, J. Heidt +2
CO radial gradients in the bulge of M31
F. La Barbera, A. Vazdekis, A. Pasquali +3
Internal kinematics of spiral galaxies in distant clusters. Part II. Observations and data analysis
K. Jaeger, B. L. Ziegler, A. Boehm +5
Lyman-alpha emission galaxies at a redshift of z = 5.7 in the FORS Deep Field
C. Tapken, I. Appenzeller, A. Gabasch +7
ESO-VLT optical spectroscopy of BL Lac objects: I. new redshifts
B. Sbarufatti, A. Treves, R. Falomo +3