February 14, 2008: The infrequently outbursting WZ Sge-type dwarf nova HV Vir is currently in outburst. HV Vir was detected in outburst by Rod Stubbings (Tetoora Road, Victoria, Australia) at a visual magnitude of 11.5 on 2008 Feb 14.601 (JD 2454511.101; vsnet-alert 9912), and was confirmed by Akira Arai et al. (KANATA team; vsnet-alert 9913) at V = 12.4 on 2008 Feb 14.6389 (JD 2454511.1389). The most recent observations of HV Vir in the AAVSO International Database indicate the star was fainter than m(vis)=14.8 on 2008 Feb 10.147 (JD 2454506.647; Gary Poyner, Birmingham, England, UK). Visual and instrumental observations of this rare outburster are requested, including instrumental time-series photometry.
HV Vir is located at RA: 13 21 3.10 , Dec: +01 53 30.0 (J2000).
Charts for HV Vir may be plotted with VSP: http://www.aavso.org/observing/charts/vsp/index.html?pickname=HV%20Vir [1]
Recent observations of HV Vir may be obtained here: http://www.aavso.org/cgi-bin/newql.pl?name=HV%20Vir&output=html [2]
This AAVSO Special Notice was prepared by Matthew Templeton.
--------------------------------------------------- SUBMIT OBSERVATIONS TO THE AAVSO Information on submitting observations to the AAVSO may be found at: http://www.aavso.org/observing/submit/ [3] SPECIAL NOTICE ARCHIVE AND SUBSCRIPTION INFORMATION A Special Notice archive is available at the following URL: http://www.aavso.org/publications/specialnotice/ [4] Subscribing and Unsubscribing may be done at the following URL: http://www.aavso.org/publications/email/ [5]
Links
[1] http://www.aavso.org/observing/charts/vsp/index.html?pickname=HV%20Vir
[2] http://www.aavso.org/cgi-bin/newql.pl?name=HV%20Vir&output=html
[3] http://www.aavso.org/observing/submit/
[4] http://www.aavso.org/publications/specialnotice/
[5] http://www.aavso.org/publications/email/
[6] http://www.aavso.org/category/tags/aavso-special-notice
[7] http://www.aavso.org/tags/wz-type
[8] http://www.aavso.org/category/tags/cataclysmic-variable
[9] http://www.aavso.org/tags/hv-vir
[10] http://www.aavso.org/category/tags/aavso-international-database