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AAVSO Alert Notice 163

Alert Notice 221: Fading of 2007+20 FG Sge AND Request to monitor 2138+43 SS Cyg for observations with HST, EUVE, and RXTE AND 1058+38 Markarian 421 in outburst AND Activity of 1814+39 AM Her continues AND 1746-17 -- Sgr is a new planetary-nebula nucleus

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 221 (May 9, 1996)

FADING OF 2007+20 FG SAGITTAE

Tags
V4334 Sgr
SS Cyg
RXTE
planetary nebula
Markarian 421
magnetic variable
HST
gamma-ray
FG Sge
EUVE
cataclysmic variable
AM Her
AGN
AAVSO International Database
AAVSO Alert Notice 163
AAVSO Alert Notice
  • Read more about Alert Notice 221: Fading of 2007+20 FG Sge AND Request to monitor 2138+43 SS Cyg for observations with HST, EUVE, and RXTE AND 1058+38 Markarian 421 in outburst AND Activity of 1814+39 AM Her continues AND 1746-17 -- Sgr is a new planetary-nebula nucleus
Subscribe to AAVSO Alert Notice 163
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Announcement: New Forums

We are excited to announce the launch of our new forums! You can access it forums.aavso.org. For questions, please see our blog post. New threads should be posted on the new forums. The forums at aavso.org/forum will become read-only on September 12, 2024.