activity
20122017
most citedMonitoring the Dusty S-Cluster Object (DSO/G2) on its Orbit towards the Galactic Center Black Hole

53 citations · 86 across the 7 of their papers we have counts for

collaborators

7 papers

astro-ph.GA2017★ 9 cited

A low-luminosity type-1 QSO sample: IV. Molecular gas contents and conditions of star formation in three nearby Seyfert galaxies

Lydia Moser, Melanie Krips, Gerold Busch +8

We present a pilot study of ~ 3" resolution observations of low CO transitions with the Submillimeter Array in three nearby Seyfert galaxies, which are part of the low-luminosity q…

astro-ph.GA2014★ 53 cited

Monitoring the Dusty S-Cluster Object (DSO/G2) on its Orbit towards the Galactic Center Black Hole

M. Valencia-S., A. Eckart, M. Zajacek +23

We analyse and report in detail new near-infrared (1.45 - 2.45 microns) observations of the Dusty S-cluster Object (DSO/G2) during its approach to the black hole at the center of t…

astro-ph.GA2014★ 18 cited

ALMA backed NIR high resolution integral field spectroscopy of the NUGA galaxy NGC 1433

Semir Smajic, Lydia Moser, Andreas Eckart +7

We present the results of near-infrared (NIR) H- and K-band European Southern Observatory SINFONI integral field spectroscopy (IFS) of the Seyfert 2 galaxy NGC 1433. We present emi…

astro-ph.GA2013★ 3 cited

The Galactic Center as a Paradigm for Low Luminosity Nuclei? The K-band identification of the DSO/G2 source from VLT and Keck data

Andreas Eckart, S. Britzen, M. Horrobin +27

The super-massive 4 million solar mass black hole (SMBH) SgrA* shows flare emission from the millimeter to the X-ray domain. The nucleus of the Milky Way has properties (stellar cl…

astro-ph.CO2013★ 1 cited

Discovery of an Intermediate Mass Black Hole at the center of the starburst/Seyfert composite galaxy IRAS 01072+4954

M. Valencia-S., A. Eckart, J. Zuther +8

The starburst/Seyfert composite galaxy IRAS 01072+4954 (z=0.0236) is an enigmatic source that combines a Seyfert~1-like X-ray emission with a starburst optical spectrum that lacks…

astro-ph.CO2013

Are Narrow Line Seyfert 1s a special class of Active Galactic Nuclei?

M. Valencia-S., J. Zuther, A. Eckart +12

No. Due to their apparently extreme optical to X-ray properties, Narrow Line Seyfert 1s (NLSy1s) have been considered a special class of active galactic nuclei (AGN). Here, we summ…

astro-ph.IM2012★ 2 cited

Beating the confusion limit: The necessity of high angular resolution for probing the physics of Sagittarius A* and its environment: Opportunities for LINC-NIRVANA (LBT), GRAVITY (VLTI) and and METIS (E-ELT)

A. Eckart, N. Sabha, G. Witzel +16

The super-massive 4 million solar mass black hole (SMBH) SgrA* shows variable emission from the millimeter to the X-ray domain. A detailed analysis of the infrared light curves all…