Publications (67)
New dwarf galaxy candidates in the Centaurus group
Oliver Müller, Helmut Jerjen, Bruno Binggeli
Surface brightness fluctuation distances for nearby dwarf elliptical galaxies
Helmut Jerjen, Rami Rekola, Leo Takalo +2
A Hero's Dark Horse: Discovery of an Ultra-Faint Milky Way Satellite in Pegasus
Dongwon Kim, Helmut Jerjen, Dougal Mackey +2
Are "dwarf" Ellipticals genuine Ellipticals?
Helmut Jerjen, Bruno Binggeli
On the nature of ultra-faint dwarf galaxy candidates I: DES1, Eridanus III and Tucana V
Blair C. Conn, Helmut Jerjen, Dongwon Kim +1
Near-field cosmology with the VLT
Steffen Mieske, Helmut Jerjen
Deepest Near-IR Surface Photometry of Galaxies in the Local Sphere of Influence
Emma Kirby, Helmut Jerjen, Stuart Ryder +1
Portrait of a Dark Horse: a Photometric and Spectroscopic Study of the Ultra-faint Milky Way Satellite Pegasus III
Dongwon Kim, Helmut Jerjen, Marla Geha +6
The new Milky Way satellites: alignment with the VPOS and predictions for proper motions and velocity dispersions
Marcel S. Pawlowski, Stacy S. McGaugh, Helmut Jerjen
A Hero's Little Horse: Discovery of a Dissolving Star Cluster in Pegasus
Dongwon Kim, Helmut Jerjen
Co-orbiting satellite galaxy structures are still in conflict with the distribution of primordial dwarf galaxies
Marcel S. Pawlowski, Benoit Famaey, Helmut Jerjen +11
Accretion and nuclear activity of quiescent supermassive black holes. I: X-ray study
Roberto Soria, Giuseppina Fabbiano, Alister W. Graham +5
New distances of unresolved dwarf elliptical galaxies in the vicinity of the Local Group
Rami Rekola, Helmut Jerjen, Chris Flynn
Testing the Surface Brightness Fluctuations Method for Dwarf Elliptical Galaxies in the Centaurus A Group
Helmut Jerjen, Ken C. Freeman, Bruno Binggeli
First results from SAPAC: towards a 3D-picture of the Fornax cluster core
Laura P. Dunn, Helmut Jerjen
Deep Near-IR Surface Photometry of 57 Galaxies in the Local Sphere of Influence
Emma Kirby, Helmut Jerjen, Stuart Ryder +1
Did the Milky Way dwarf satellites enter the halo as a group?
Manuel Metz, Pavel Kroupa, Christian Theis +2
Metal-poor dwarf galaxies in the SIGRID galaxy sample. II. The electron temperature-abundance calibration and the parameters that affect it
David C. Nicholls, Michael A. Dopita, Ralph S. Sutherland +3
RR Lyrae Stars in the Field of Sagittarius II
Seok-Joo Joo, Jaemann Kyeong, Soung-Chul Yang +10
Detection of neutral hydrogen in early-type dwarf galaxies of the Sculptor Group
Antoine Bouchard, Helmut Jerjen, Gary S. Da Costa +1
The Small Isolated Gas Rich Irregular Dwarf (SIGRID) Galaxy Sample: Description and First Results
David C Nicholls, Michael A Dopita, Helmut Jerjen +1
The Extended Virgo Cluster Catalog
Suk Kim, Soo-Chang Rey, Helmut Jerjen +7
SAPAC: a SBF analysis pipeline for the astronomical community
Laura P. Dunn, Helmut Jerjen
The Stromlo Missing Satellites Survey
Helmut Jerjen
Clarification of the Nature of the Galaxy CFC97 Cen 05
Antoine Bouchard, Gary S. Da Costa, Helmut Jerjen
SBF Distances to Dwarf Elliptical Galaxies in the Sculptor Group
Helmut Jerjen, Ken C. Freeman, Bruno Binggeli
Testing the two planes of satellites in the Centaurus Group
Oliver Müller, Helmut Jerjen, Marcel S. Pawlowski +1
Segue 3: An Old, Extremely Low luminosity Star Cluster in the Milky Way's Halo
Ross Fadely, Beth Willman, Marla Geha +6
More evidence for hidden spiral and bar features in bright early-type dwarf galaxies
Fabio D. Barazza, Bruno Binggeli, Helmut Jerjen
Stellar and Gas properties of High HI Mass-to-Light Ratio Galaxies in the Local Universe
Bradley E. Warren, Helmut Jerjen, Baerbel S. Koribalski
HST detection of spiral structure in two Coma Cluster dwarf galaxies
Alister W. Graham, Helmut Jerjen, Rafael Guzman
The Leo-I group: new dwarf galaxy and UDG candidates
Oliver Müller, Helmut Jerjen, Bruno Binggeli
Accretion and nuclear activity of quiescent supermassive black holes. II: optical study and interpretation
Roberto Soria, Alister W. Graham, Giuseppina Fabbiano +5
The impact of accurate distances to dwarf elliptical galaxies on cosmology
Helmut Jerjen
The Local Volume HI Survey: Galaxy Kinematics
Emma M. Kirby, Baerbel Koribalski, Helmut Jerjen +1
RR Lyrae Variable Stars in the Crater II Dwarf Galaxy
Seok-Joo Joo, Jaemann Kyeong, Soung-Chul Yang +10
The intriguing HI gas in NGC 5253: an infall of a diffuse, low-metallicity HI cloud?
Angel R. Lopez-Sanchez, Baerbel Koribalski, Janine van Eymeren +4
Tip of the red giant branch distances to the dwarf galaxies dw1335-29 and dw1340-30 in the Centaurus group
Oliver Müller, Marina Rejkuba, Helmut Jerjen
New low surface brightness dwarf galaxies in the Centaurus group
Oliver Müller, Helmut Jerjen, Bruno Binggeli
Discovery of a Faint Outer Halo Milky Way Star Cluster in the Southern Sky
Dongwon Kim, Helmut Jerjen, Antonino P. Milone +2
ESO215-G?009: An Extreme HI-Rich Dwarf Irregular Galaxy
Bradley E. Warren, Helmut Jerjen, Baerbel S. Koribalski
IC3328: a "dwarf elliptical galaxy" with spiral structure
Helmut Jerjen, Agris Kalnajs, Bruno Binggeli
NGC 5011C: an overlooked dwarf galaxy in the Centaurus A group
Ivo Saviane, Helmut Jerjen
Tidal tails around the outer halo globular clusters Eridanus and Palomar 15
G. C. Myeong, Helmut Jerjen, Dougal Mackey +1
Kim 3: an Ultra-faint Star Cluster in the Constellation of Centaurus
Dongwon Kim, Helmut Jerjen, Dougal Mackey +2
Horologium II: a Second Ultra-faint Milky Way Satellite in the Horologium Constellation
Dongwon Kim, Helmut Jerjen
The properties of early-type galaxies in the Ursa Major cluster
Mina Pak, Soo-Chang Rey, Thorsten Lisker +5
The slope of the Baryonic Tully-Fisher relation
Sebastián Gurovich, Kenneth Freeman, Helmut Jerjen +2
On The Nature of ultra-faint Dwarf Galaxy Candidates II: The case of Cetus II
Blair C. Conn, Helmut Jerjen, Dongwon Kim +1
Chemical Abundances of new member stars in the Tucana II dwarf galaxy
Anirudh Chiti, Anna Frebel, Alexander P. Ji +3
A whirling plane of satellite galaxies around Centaurus A challenges cold dark matter cosmology
Oliver Müller, Marcel S. Pawlowski, Helmut Jerjen +1
The M101 group complex: new dwarf galaxy candidates and spatial structure
Oliver Müller, Roberto Scalera, Bruno Binggeli +1
The Baryonic Tully Fisher Relation
Sebastian Gurovich, Stacy S. McGaugh, Ken C. Freeman +3
Dwarf Galaxy Planes: the discovery of symmetric structures in the Local Group
Marcel S. Pawlowski, Pavel Kroupa, Helmut Jerjen
VLT surface photometry and isophotal analysis of early-type dwarf galaxies in the Virgo cluster
Fabio D. Barazza, Bruno Binggeli, Helmut Jerjen
Metal-poor dwarf galaxies in the SIGRID galaxy sample. I. HII region observations and chemical abundances
David C. Nicholls, Michael A. Dopita, Ralph S. Sutherland +3
The Invisibles: A Detection Algorithm to Trace the Faintest Milky Way Satellites
Shane Walsh, Beth Willman, Helmut Jerjen
Tip of the Red Giant Branch Distance for the Sculptor Group Dwarf ESO 540-032
Helmut Jerjen, Marina Rejkuba
Is the shape of the luminosity profile of dwarf elliptical galaxies a useful distance indicator?
Bruno Binggeli, Helmut Jerjen
On the Nature of Ultra-faint Dwarf Galaxy Candidates. III. Horologium I, Pictor I, Grus I, and Phoenix II
Helmut Jerjen, Blair Conn, Dongwon Kim +1
Large-scale filamentary structures around the Virgo cluster revisited
Suk Kim, Soo-Chang Rey, Martin Bureau +9
Discs of Satellites: the new dwarf spheroidals
Manuel Metz, Pavel Kroupa, Helmut Jerjen
The Minimum Amount of Stars a Galaxy Will Form
Bradley E. Warren, Helmut Jerjen, Bärbel S. Koribalski
HI Detection in two Dwarf S0 Galaxies in Nearby Groups: ESO384-016 and NGC 59
Sylvie F. Beaulieu, Kenneth C. Freeman, Claude Carignan +2
Filaments in the southern giant lobe of Centaurus A: constraints on nature and origin from modelling and GMRT observations
Sarka Wykes, Huib T. Intema, Martin J. Hardcastle +8
Intracluster light and the extended stellar envelopes of cD galaxies: An analytical description
Marc S. Seigar, Alister W. Graham, Helmut Jerjen
Nebular metallicities in two isolated Local Void dwarf galaxies
David C. Nicholls, Helmut Jerjen, Michael A. Dopita +1