Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atel.1955....1c&link_type=abstract
The Astronomer's Telegram, #1955
Astronomy and Astrophysics
Astronomy
14
Optical, Agn, Binaries, Black Holes, Quasars
Scientific paper
We report on optical spectra of the unusual quasar SDSS J153636.22+044127.0, obtained on 2009 March 7.52 UT with the Double Spectrograph on the Palomar 200-inch telescope. This object was recently suggested as a candidate sub-parsec supermassive black hole system by Boroson & Lauer (2009, Nature, 458, 53), based primarily on the existence of two components of the broad Balmer emission lines seen in the SDSS spectrum of the source.
Bloom Josh S.
Cenko Bradley S.
Chang Paoti
Chornock Ryan
Comerford Julia M.
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