| Issue |
A&A
Volume 486, Number 2, August I 2008
|
|
|---|---|---|
| Page(s) | 529 - 531 | |
| Section | Stellar structure and evolution | |
| DOI | https://doi.org/10.1051/0004-6361:200809843 | |
| Published online | 09 June 2008 | |
Research Note
NSV 13983: a new dwarf nova in the period gap*
Departamento de Astronomía y Astrofísica, Pontificia Universidad Católica, Casilla 306, Santiago 22, Chile e-mail: ccontrer@astro.puc.cl
Received:
25
March
2008
Accepted:
12
May
2008
Aims. NSV 13983 is catalogued as a dwarf nova based on a reported outburst from 2005. The system has not yet been studied spectroscopically. We attempt to confirm its nature as a dwarf nova and determine its orbital period.
Methods. We derive the orbital period by using time-resolved spectroscopic data to measure radial velocities.
Results. The average spectrum shows evidence that the system is a dwarf nova in quiescence. The radial velocity curves derived from measurements of the spectral lines Hα and Hβ, show a clear modulation with a period of 2.76 h. This places NSV 13983 below the upper edge of the gap in the period distribution of cataclysmic variables, implying that it is the 14th dwarf nova in the gap.
Key words: stars: dwarf novae / stars: individual: NSV 13983
© ESO, 2008
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.