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24 April 2024 |
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The New Eclipsing Cataclysmic Variable SDSS 154453+2553 | | Julie N. Skinner
; John R. Thorstensen
; Eve Armstrong
; Steve Brady
; | | Date: |
7 Jan 2011 | | Abstract: | The cataclysmic variable SDSS154453+2553 was recently identified in the Sloan
Digital Sky Survey. We obtained spectra and photometry at the MDM Observatory,
which revealed an eclipse with a 6.03 hour period. The H{alpha} emission line
exhibits a strong rotational disturbance during eclipse, indicating that it
arises in an accretion disk. A contribution from an M-type companion is also
observed. Time-series photometry during eclipse gives an ephemeris of
2454878.0062(15) + 0.251282(2)E. We present spectroscopy through the orbit and
eclipse photometry. Our analysis of the secondary star indicates a distance of
800 {pm} 180 pc. | | Source: | arXiv, 1101.1513 | | Services: | Forum | Review | PDF | Favorites | |
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