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Moon Zoo: citizen science in lunar exploration

ASTRONOMY & GEOPHYSICS 52:2 (2011) 10-12

Authors:

Katherine H Joy, Ian A Crawford, Peter M Grindrod, Chris Lintott, Steven Bamford, Arfon Smith, Anthony Cook
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Reinventing Discovery: The New Era of Networked Science

NATURE 478:7369 (2011) 320-321
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STAR FORMATION AND THE ISM IN INFRARED BRIGHT GALAXIES - SHINING

CONDITIONS AND IMPACT OF STAR FORMATION: NEW RESULTS WITH HERSCHEL AND BEYOND 52 (2011) 55-+

Authors:

E Sturm, A Poglitsch, A Contursi, J Gracia-Carpio, J Fischer, E Gonzalez-Alfonso, R Genzel, S Hailey-Dunsheath, D Lutz, L Tacconi, J deJong, A Sternberg, A Verma, S Madden, L Vigroux, D Cormier, U Klaas, M Nielbock, O Krause, J Schreiber, M Haas
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Spitzer imaging of Herschel-atlas gravitationally lensed submillimeter sources

Astrophysical Journal 728:1 PART II (2011)

Authors:

R Hopwood, J Wardlow, A Cooray, AA Khostovan, S Kim, M Negrello, E Da Cunha, D Burgarella, I Aretxaga, R Auld, M Baes, E Barton, F Bertoldi, DG Bonfield, R Blundell, S Buttiglione, A Cava, DL Clements, J Cooke, H Dannerbauer, A Dariush, G De Zotti, J Dunlop, L Dunne, S Dye, S Eales, J Fritz, D Frayer, MA Gurwell, DH Hughes, E Ibar, RJ Ivison, MJ Jarvis, G Lagache, L Leeuw, S Maddox, MJ Michałlowski, A Omont, E Pascale, M Pohlen, E Rigby, G Rodighiero, D Scott, S Serjeant, I Smail, DJB Smith, P Temi, MA Thompson, I Valtchanov, P Van Der Werf, A Verma, JD Vieira
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The sudden death of the nearest quasar

Astrophysical Journal Letters 724:1 PART 2 (2010)

Authors:

K Schawinski, DA Evans, S Virani, CM Urry, WC Keel, P Natarajan, CJ Lintott, A Manning, P Coppi, S Kaviraj, SP Bamford, GIG Józsa, M Garrett, H Van Arkel, P Gay, L Fortson

Abstract:

Galaxy formation is significantly modulated by energy output from supermassive black holes at the centers of galaxies which grow in highly efficient luminous quasar phases. The timescale on which black holes transition into and out of such phases is, however, unknown. We present the first measurement of the shutdown timescale for an individual quasar using X-ray observations of the nearby galaxy IC 2497, which hosted a luminous quasar no more than 70,000 years ago that is still seen as a light echo in "Hanny's Voorwerp," but whose present-day radiative output is lower by at least two, and more likely by over four, orders of magnitude. This extremely rapid shutdown provides new insight into the physics of accretion in supermassive black holes and may signal a transition of the accretion disk to a radiatively inefficient state. © 2010. The American Astronomical Society. All rights reserved.
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