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AAVSO Alert Notice

Alert Notice 545: FO Aqr time-series observations requested

July 13, 2016: Dr. Colin Littlefield (University of Notre Dame) and colleagues Drs. Peter Garnavich (Notre Dame), Erin Aadland (Minnesota State), and Mark Kennedy (University College Cork) have requested AAVSO assistance in monitoring the intermediate polar cataclysmic variable FO Aqr beginning immediately.

Dr. Littlefield, who with his colleagues recently published ATel #9216 and #9225, writes:

Alert Notice 544: Nova Scorpii 2016 = PNV J17381927-3725077

June 13, 2016

Event: Nova in Scorpius

Discovered by: Hideo Nishimura (Kakegawa, Shizuoka-ken, Japan) (reported by S. Nakano, Sumoto, Japan, via CBET 4285)

Discovery magnitude: 12.4 unfiltered CCD on three 10-s CCD frames, using a 200-mm-f.l. f/3.2 lens with a Canon EOS 5D digital camera

Discovery date: 2016 June 10.629 UT
 
Coordinates (2000.0): R.A. 17 38 19.31  Dec. -37 25 08.7   (from VSX)

Alert Notice (un-numbered November 23, 1981): Special AAVSO Alert Notice on Dwarf Novae

November 23, 1981

THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS
187 Concord Avenue, Cambridge, MA 02138 USA
Tel. 617-354-0484

SPECIAL AAVSO ALERT NOTICE ON DWARF NOVAE

 

Do continue your close monitoring of dwarf novae. Dr. Stiening from Stanford University and his colleagues will be observing these stars from Nov. 25th to Dec. 4th at Mt. Lemon, Arizona, and they have requested our help once again.

Alert Notice PEP #A: Special Alert Notice to PEP Observers [HR 913 = HD 18894]

September 22, 1980

THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS
187 Concord Avenue, Cambridge, MA 02138 USA
Tel. 617-354-0484

SPECIAL ALERT NOTICE TO PEP OBSERVERS

 

In a recent letter from Dr. Richard Wade of the California Institute of Technology, he wrote:

Alert Notice (un-numbered July 31, 1974): AAVSO Alert Notices

July 31, 1974

THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS
187 Concord Avenue, Cambridge, MA 02138 USA
Tel. 617-354-0484

AAVSO ALERT NOTICES

URGENT SPECIAL REQUEST

Pages

AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484