Other
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21547815s&link_type=abstract
American Astronomical Society, AAS Meeting #215, #478.15; Bulletin of the American Astronomical Society, Vol. 42, p.567
Other
Scientific paper
We present a series of low (R 400) to moderate (R 2000) resolution optical spectra of black hole hosting globular RZ2109 located in the Virgo elliptical NGC4472. X-ray observations have shown this globular cluster hosts the only know black hole x-ray binary know in a globular cluster. These spectra display extremely broad [O III]4959,5007 lines with widths of 3000 km/s and a noteworthy lack of any other strong emission feature. In this work we examine the [O III] lines velocity profile, performing modeling to describe and constrain the geometry of the emitting region. We also describe a variability analysis of the [O III] line luminosity and profile. In an effort to constrain models composition of the emitting region and accreting black hole system we examine limits on the [O III]5007/Hβ ratio. Finally we consider the implications of these observations for accreting black holes and their interaction with their host systems.
This work was performed under support from NSF grants AST-0406891 and AST-0807557.
Kundu Anjan
Maccarone Thomas J.
Rhode Katherine L.
Salzer John Joseph
Steele Matthew M.
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