The last GW Note is by Miguel Preto

Archive for the ‘observations’ Category

The extreme luminosity states of Sagittarius A*

Tuesday, January 12th, 2010

arXiv:1001.1351

by Sabha, N. and Witzel, G. and Eckart, A. and Buchholz, R. M. and Bremer, M. and Giessuebel, R. and Garcia-Marin, M. and Kunneriath, D. and Muzic, K. and Schoedel, R. and Straubmeier, C. and Zamaninasab, M. and Zernickel, A.
18 pages, 13 figures, accepted by A&A

more …

Measuring Black Hole Spin in OJ287

Monday, January 11th, 2010

arXiv:1001.1284

by Valtonen, M. and Mikkola, S. and Lehto, H. J. and Hyvönen, T. and Nilsson, K. and Merritt, D. and Gopakumar, A. and Rampadarath, H. and Hudec, R. and Basta, M. and Saunders, R.
12 pages, 4 figures, IAU261

more …

An Intermediate-mass Black Hole of Over 500 Solar Masses in the Galaxy ESO 243-49

Monday, January 11th, 2010

arXiv:1001.0567

by Farrell, Sean and Webb, Natalie and Barret, Didier and Godet, Olivier and Rodrigues, Joana
5 pages, 2 figures, 1 table, published in Nature

more …

The EXIST view of Super-Massive Black Holes in the Universe

Thursday, December 17th, 2009

arXiv:0912.3096

by Della Ceca, Roberto and Ghisellini, Gabriele and Tagliaferri, Gianpiero and Foschini, Luigi and Pareschi, Giovanni and Tavecchio, Fabrizio and Coppi, Paolo and Grindlay, Josh E. and Fiocchi, Maria Teresa and Natalucci, Lorenzo and Panessa, Francesca and Ubertini, Pietro
6 pages, 2 figures. Proc. of Workshop “The Extreme sky: Sampling the Universe above 10 keV”, Otranto (Lecce) Italy, October 13-17, 2009 Proceedings of Science, http://pos.sissa.it. Submitted version

more …

Cosmic Evolution of Black Holes and Spheroids. IV. The BH Mass – Spheroid Luminosity Relation

Thursday, December 17th, 2009

arXiv:0911.4107

by Bennert, Vardha Nicola and Treu, Tommaso and Woo, Jong-Hak and Malkan, Matthew A. and Bris, Alexandre Le and Auger, Matthew W. and Gallagher, Sarah and Blandford, Roger D.
39 pages, 11 figures. Accepted for publication in the Astrophysical Journal

more …

Near infrared flares of Sagittarius A*: Importance of near infrared polarimetry

Thursday, December 17th, 2009

arXiv:0911.4659

by Zamaninasab, M. and Eckart, A. and Witzel, G. and Dovciak, M. and Karas, V. and Giessuebel, R. Schoedel R. and Bremer, M. and Garcia-Marin, M. and Kunneriath, D. and Muzic, K. and Nishiyama, S. and Sabha, N. and Straubmeier, C. and Zensus, A.
26 pages, 38 figures, accepted for publication by A&A

more …

Variability and stability in blazar jets on time scales of years: Optical polarization monitoring of OJ287 in 2005-2009

Thursday, December 17th, 2009

arXiv:0912.0005

by Villforth, C. and Nilsson, K. and Heidt, J. and Takalo, L. O. and Pursimo, T. and Berdyugin, A. and Lindfors, E. and Pasanen, M. and Winiarski, M. and Drozdz, M. and Ogloza, W. and Kurpinska-Winiarska, M. and Siwak, M. and Koziel-Wierzbowska, D. and Porowski, C. and Kuzmicz, A. and Krzesinski, J. and Kundera, T. and Wu, J. -H. and Zhou, X. and Efimov, Y. and Sadakane, K. and Kamada, M. and Ohlert, J. and Hentunen, V. -P. and Nissinen, M. and Dietrich, M. and Assef, R. J. and Atlee, D. W. and Bird, J. and DePoy, D. L. and Eastman, J. and Peeples, M. S. and Prieto, J. and Watson, L. and Yee, J. C. and Liakos, A. and Niarchos, P. and Gazeas, K. and Dogru, S. and Donmez, A. and Marchev, D. and Coggins-Hill, S. A. and Mattingly, A. and Keel, W. C. and Haque, S. and Aungwerojwit, A. and Bergvall, N.
Accepted for publication in MNRAS (26 pages, 24 figures, 4 tables)

more …

Measuring the spin of the primary black hole in OJ287

Thursday, December 17th, 2009

arXiv:0912.1209

by Valtonen, M. J. and Mikkola, S. and Merritt, D. and Gopakumar, A. and Lehto, H. J. and Hyvönen, T. and Rampadarath, H. and Saunders, R. and Basta, M. and Hudec, R.
12 pages, 6 figures

more …

Detection of IMBHs from microlensing in globular clusters

Thursday, December 17th, 2009

arXiv:0912.1435

by Safonova, M. and Stalin, C. S.
10 pages, 11 figures, accepted in New Astronomy

more …

X-Ray Localization of the Intermediate-Mass Black Hole in the Globular Cluster G1 with Chandra

Thursday, October 22nd, 2009

arXiv:0910.3944

by Kong, A. K. H. and Heinke, C. O. and Di Stefano, R. and Barmby, P. and Lewin, W. H. G. and Primini, F. A.
5 pages, 1 figure, submitted to ApJL

more …

On the spatial distribution and the origin of hypervelocity stars

Tuesday, October 20th, 2009

arXiv:0910.3260

by Lu, Youjun and Zhang, Fupeng and Yu, Qingjuan
7 pages, 5 figures

more …

The orbit of the star S2 around SgrA* from VLT and Keck data

Monday, October 19th, 2009

arXiv:0910.3069

by Gillessen, S. and Eisenhauer, F. and Fritz, T. K. and Bartko, H. and Dodds-Eden, K. and Pfuhl, O. and Ott, T. and Genzel, R.
submitted to ApJL

more …

Black Hole Growth and Starburst Activity at z=0.6-4 in the Chandra Deep Field South

Wednesday, October 7th, 2009

arXiv:0910.1007

by Brusa, M. and Fiore, F. and Santini, P. and Grazian, A. and Comastri, A. and Zamorani, G. and Hasinger, G. and Merloni, A. and Civano, F. and Fontana, A. and Mainieri, V.
19 pages, 11 figures, A&A in press

more …

Soft gamma-ray constraints on a bright flare from the Galactic Center supermassive black hole

Monday, October 5th, 2009

arXiv:0910.0399

by Trap, G. and Goldwurm, A. and Terrier, R. and Dodds-Eden, K. and Gillessen, S. and Genzel, R. and Pantin, E. and Lagage, P. O. and Ferrando, P. and Belanger, G. and Porquet, D. and Grosso, N. and Yusef-Zadeh, F. and Melia, F.
30 pages, 5 figures, accepted for publication in ASR

more …

Mass of black holes: The State of the Art

Monday, October 5th, 2009

arXiv:0910.0313

by Czerny, B. and Nikolajuk, M.
Submitted to proceedings of the Frascati Workshop 2009, Multifrequency Behaviour of High Energy Cosmic Sources, Vulcano (Italy), May 25 – 30

more …

Hot high-mass accretion disk candidates

Friday, September 4th, 2009

arXiv:0909.0691

by Beuther, H. and Walsh, A. J. and Longmore, S. N.
21 pages, 32 figures, accepted for ApJS. A high-resolution version can be found at http://www.mpia.de/homes/beuther/papers.html

more …

A Relationship between Supermassive Black Hole Mass and the Total Gravitational Mass of the Host Galaxy

Thursday, September 3rd, 2009

arXiv:0909.0269

by Bandara, Kaushala and Crampton, David and Simard, Luc
29 pages, 10 figures, Accepted for publication in ApJ

more …

The Quasar SDSS J153636.22+044127.0: A Double-Peaked Emitter in a Candidate Binary Black-Hole System

Thursday, September 3rd, 2009

arXiv:0909.0258

by Tang, Sumin and Grindlay, Jonathan
7 pages, 4 figures, accepted for publication in ApJ

more …

Radial Distribution of X-ray Point Sources near the Galactic Center

Tuesday, September 1st, 2009

arXiv:0908.4306

by Hong, Jaesub and Berg, Maureen van den and Grindlay, Jonathan E. and Laycock, Silas
17 pages, 7 figures, 6 tables, accepted for publication in Astrophysical Journal

more …

Black Holes in Active Galactic Nuclei

Thursday, August 20th, 2009

arXiv:0908.2706

by Valtonen, M. J. and Mikkola, S. and Merritt, D. and Gopakumar, A. and Lehto, H. J. and Hyvönen, T. and Rampadarath, H. and Saunders, R. and Basta, M. and Hudec, R.
9 pages, 6 figures, IAU261: Relativity in Fundamental Astronomy

more …

The mass function of nearby black hole candidates

Thursday, August 20th, 2009

arXiv:0908.2764

by Caramete, Laurentiu I. and Biermann, Peter L.
23 pages, 4 figures, submitted to A&A

more …

Type 2 AGNs with Double-Peaked [O III] Lines: Narrow Line Region Kinematics or Merging Supermassive Black Hole Pairs?

Wednesday, August 19th, 2009

arXiv:0908.2426

by Liu, Xin and Shen, Yue and Strauss, Michael A. and Greene, Jenny E.
submitted to ApJ, August 5, 2009; the full table 1 can be accessed at http://www.astro.princeton.edu/~xinliu/agn2dnl/table1.dat

more …

The black hole mass-bulge mass correlation: bulges versus pseudo-bulges

Monday, August 17th, 2009

arXiv:0908.2028

by Hu, Jian
22 pages, 11 figures, submitted to MNRAS

more …

The Millennium Galaxy Catalogue: The $M_{bh}$–$L_{spheroid}$ derived supermassive black hole mass function

Monday, August 17th, 2009

arXiv:0908.2102

by Vika, Marina and Driver, Simon P. and Graham, Alister W. and Liske, Jochen
10 pages, 6 figures, accepted to MNRAS

more …

Empirical Constraints on the Evolution of the Relationship between Black Hole and Galaxy Mass: Scatter Matters

Friday, August 7th, 2009

arXiv:0908.0927

by Somerville, Rachel S.
9 pages, 7 figures, accepted for publication in MNRAS

more …

The Lick AGN Monitoring Project: Broad-Line Region Radii and Black Hole Masses from Reverberation Mapping of Hbeta

Tuesday, August 4th, 2009

arXiv:0908.0003

by Bentz, Misty C. and Walsh, Jonelle L. and Barth, Aaron J. and Baliber, Nairn and Bennert, Nicola and Canalizo, Gabriela and Filippenko, Alexei V. and Ganeshalingam, Mohan and Gates, Elinor L. and Greene, Jenny E. and Hidas, Marton G. and Hiner, Kyle D. and Lee, Nicholas and Li, Weidong and Malkan, Matthew A. and Minezaki, Takeo and Sakata, Yu and Serduke, Frank J. D. and Silverman, Jeffrey M. and Steele, Thea N. and Stern, Daniel and Street, Rachel A. and Thornton, Carol E. and Treu, Tommaso and Wang, Xiaofeng and Woo, Jong-Hak and Yoshii, Yuzuru
24 pages, 16 figures and 13 tables, submitted to ApJ

more …

Constraining the Spin of the Black Hole in Fairall 9 with Suzaku

Tuesday, August 4th, 2009

arXiv:0908.0013

by Schmoll, S. and Miller, J. M. and Volonteri, M. and Cackett, E. and Reynolds, C. S. and Fabian, A. C. and Brenneman, L. W. and Miniutti, G. and Gallo, L. C.
Accepted for publication in ApJ

more …

Tidal effects in the vicinity of a black hole

Tuesday, August 4th, 2009

arXiv:0908.0117

by Cadez, A. and Kostic, U. and Calvani, M.
11 pages, 7 figures, to appear in the proceedings of the Zeldovich Meeting 2009, Minsk

more …

High angular resolution integral-field spectroscopy of the Galaxy’s nuclear cluster: a missing stellar cusp?

Tuesday, August 4th, 2009

arXiv:0908.0311

by Do, Tuan and Ghez, Andrea M. and Morris, Mark R. and Lu, Jessica R. and Matthews, Keith and Yelda, Sylvana and Larkin, James
35 pages, 5 tables, 12 figures, accepted by ApJ

more …

Probing the nature of the massive black hole binary candidate SDSS J1536+0441

Tuesday, August 4th, 2009

arXiv:0907.5414

by Decarli, R. and Dotti, M. and Falomo, R. and Treves, A. and Colpi, M. and Kotilainen, J. K. and Montuori, C. and Uslenghi, M.
4 figures, 1 table. Accepted for publication in ApJ Letters

more …