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20112026
most citedPhotometric AGN reverberation mapping - an efficient tool for BLR sizes, black hole masses and host-subtracted AGN luminosities

101 citations · 484 across the 15 of their papers we have counts for

collaborators

15 papers

astro-ph.SR2026

The Bochum Survey of the Southern Galactic Disk: III. Complete Data Release

Julia Blex, Moritz Hackstein, Christian Westhues +6

The Southern Galactic Disk Survey (GDS) monitored a mosaic of 268 fields along a -wide stripe in the southern Galactic disk with simultaneous observations in and …

astro-ph.GA2018★ 26 cited

Simultaneous H alpha and dust reverberation mapping of 3C120: Testing the bowl-shaped torus geometry

Michael Ramolla, Martin Haas, Christian Westhues +8

At the Universitaetssternwarte Bochum near Cerro Armazones we have monitored the Seyfert-1 galaxy 3C 120 between September 2014 and March 2015 in BVRI and a narrow band filter cove…

astro-ph.GA2017★ 5 cited

Galaxy overdensities around 3C radio galaxies and quasars at revealed by Spitzer m and Pan-STARRS

Z. Ghaffari, Ch. Westhues, M. Haas +4

Luminous radio sources are thought to lie in galaxy clusters or proto-clusters. The complete sample of 64 high-redshift 3C sources at has been mapped with the Spitzer Spa…

astro-ph.GA2016★ 27 cited

Star formation in 3CR radio galaxies and quasars at z < 1

Christian Westhues, Martin Haas, Peter Barthel +8

Using the Herschel Space Observatory we have observed a representative sample of 87 powerful 3CR sources at redshift z < 1. The far-infrared (FIR, 70-500 micron) photometry is comb…

astro-ph.SR2015★ 21 cited

Light curves of the latest FUor: Indication of a close binary

M. Hackstein, M. Haas, Á. Kóspál +11

We monitored the recent FUor 2MASS J06593158-0405277 (V960 Mon) since November 2009 at various observatories and multiple wavelengths. After the outburst by nearly 2.9 mag in a…

astro-ph.GA2015★ 14 cited

The stability of the optical flux variation gradient for 3C120

Michael Ramolla, Francisco Pozo Nuñez, Christian Westhues +2

New - and -band monitoring in 2014 2015 reveals that the Seyfert 1 Galaxy, 3C120, has brightened by a magnitude of , compared to our campaign that took place in 2009…

astro-ph.SR2015★ 30 cited

The Bochum Survey of the Southern Galactic Disk: II. Follow-up measurements and multi-filter photometry for 1323 square degrees monitored in 2010-2015

M. Hackstein, Ch. Fein, M. Haas +8

This paper is the second in a series describing the southern Galactic Disk Survey (GDS) performed at the Universitätssternwarte Bochum near Cerro Armazones in Chile. Haas et al. (2…

astro-ph.GA2015★ 35 cited

The broad-line region and dust torus size of the Seyfert 1 galaxy PGC50427

F. Pozo Nuñez, M. Ramolla, C. Westhues +10

We present the results of a three years monitoring campaigns of the type-1 active galactic nucleus (AGN) PGC50427. Through the use of Photometric Reverberation Mapping…

astro-ph.GA2015★ 66 cited

Star formation in z>1 3CR host galaxies as seen by Herschel

P. Podigachoski, P. D. Barthel, M. Haas +15

We present Herschel (PACS and SPIRE) far-infrared (FIR) photometry of a complete sample of z>1 3CR sources, from the Herschel GT project The Herschel Legacy of distant radio-loud A…

astro-ph.GA2014★ 33 cited

Dust reverberation-mapping of the Seyfert 1 galaxy WPVS48

F. Pozo Nuñez, M. Haas, R. Chini +7

Using robotic telescopes of the Universitatssternwarte Bochum near Cerro Armazones in Chile, we monitored the z=0.0377 Seyfert 1 galaxy WPVS48 (2MASX J09594263-3112581) in the opti…

astro-ph.SR2013★ 20 cited

New visual companions of solar-type stars within 25 pc

R. Chini, K. Fuhrmann, A. Barr Domínguez +3

We report the discovery of faint common-proper-motion companions to the nearby southern solar-type stars HD43162, HD67199, HD114837, HD114853, HD129502, HD165185, HD197214, and HD2…

astro-ph.CO2013★ 24 cited

Modelling photometric reverberation data -- a disk-like broad-line region and a potentially larger black hole mass for 3C120

F. Pozo Nuñez, M. Haas, M. Ramolla +7

We consider photometric reverberation mapping, where the nuclear continuum variations are monitored via a broad-band filter and the echo of emission line clouds of the broad line r…

astro-ph.CO2013★ 30 cited

Size and disk-like shape of the broad-line region of ESO399-IG20

F. Pozo Nuñez, C. Westhues, M. Ramolla +6

We present photometric reverberation mapping of the narrow-line Seyfert 1 galaxy ESO399-IG20 performed with the robotic 15 cm telescope VYSOS-6 at the Cerro Armazones Observatory.…

astro-ph.CO2013★ 52 cited

Photometric reverberation mapping of 3C120

F. Pozo Nuñez, M. Ramolla, C. Westhues +5

We present the results of a five month monitoring campaign of the local active galactic nuclei (AGN) 3C120. Observations with a median sampling of two days were conducted with the…

astro-ph.CO2011★ 101 cited

Photometric AGN reverberation mapping - an efficient tool for BLR sizes, black hole masses and host-subtracted AGN luminosities

M. Haas, R. Chini, M. Ramolla +5

Photometric reverberation mapping employs a wide bandpass to measure the AGN continuum variations and a suitable band, usually a narrow band (NB), to trace the echo of an emission…