Note: HST observations of RY Ser were not carried out due to uncertainty of the star's activity and so its brightness during the HST observations. - Elizabeth O. Waagen, September 2, 2022
June 6, 2022
Welcome to the AAVSO's Research Portal. From this page, you can find information about obtaining AAVSO data, requesting new observations, or learning more about the AAVSO, its data, and its services for the research community. Its purpose is to facilitate your use of the AAVSO's resources in your research efforts.
See the gray boxes on the right hand side of this page to access the AAVSO data archives or to find out how to work with the AAVSO to obtain new scientific data.
The AAVSO Special Notice is no longer published as of July 31, 2017. Content that would have been distributed via Special Notices is being distributed via AAVSO Alert Notices and posts to the AAVSO online discussion forums for Campaign & Observation Reports, Time Sensitive Reports, and/or other relevant forums.
July 31, 2015: The AAVSO requests time-series observations of the eclipsing binary system KIC 02856960 beginning immediately, with intensive coverage urgently requested during the window of 2015 August 8.0 through August 12.0. Observations are requested on behalf of an international campaign coordinated by Dr.
February 17, 2015
Event: Nova Scorpii 2015 = PNV J17032620-3504140 [V1535 Sco]
Discovered by: Tadashi Kojima, Gunma-ken, Japan
Discovery magnitude: unfiltered DSLR magnitude 8.1, using a 150-mm f/2.8 lens and digital camera
Discovery date: 2015 February 11.837 UT
Coordinates: RA: 17 03 26.18 , Decl: -35 04 17.6
January 7, 2015: Dr.
THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS
25 Birch Street, Cambridge, MA 02138 USA
INTERNET: aavso@aavso.org
Tel. 617-354-0484 Fax 617-354-0665
AAVSO ALERT NOTICE 294 (March 5, 2002)
0538-71 NOVA IN THE LARGE MAGELLANIC CLOUD 2002
AAS Subject Key Words
as of 4/21/2017 (list itself dates from 2013, but is revised only every 5 years or so)
USE ONLY THESE WHEN ADDING ALERT NOTICE OR SPECIAL NOTICE TO ADS
April 15, 2011: Dr Bradley Schaefer (Louisiana State University) has initiated an international campaign to observe the recurrent nova T Pyx during its current eruption (see AAVSO Alert Notices 436 and 437). He asks the assistance of the AAVSO and our observers, and writes:
October 5, 2010: As originally announced in AAVSO Alert Notice 423, Dr. Paula Szkody (U. Washington) has requested the help of AAVSO observers in monitoring the WZ Sge-type cataclysmic variable V455 And in support of Hubble Space Telescope ultraviolet spectroscopic observations.
