Skip to main content

cataclysmic variable

Title Posted By Updated/commented date Typesort icon
Special Notice #298: Second set of HST COS CV targets announced weo 1 year 41 weeks ago Page
Alert Notice 232: Extreme faintness and unusual behavior of 0058+40 RX Andromedae weo 27 weeks 1 day ago Page
Special Notice #359: OR And monitoring needed for HST/COS campaign weo 1 year 6 weeks ago Page
Alert Notice 210: 1147+49 BC Ursae Majoris in outburst AND Reminders on 0409-71 VW Hydri and 2138+43 SS Cygni AND Current activity on some cataclysmic variables weo 27 weeks 1 day ago Page
Alert Notice 192: Outburst of IP Peg AND Request for observations of HT Cas, UX UMa, and IP Peg AND Outburst of UZ Boo continues AND Outburst of SS Cyg weo 27 weeks 1 day ago Page
Alert Notice 360: Request to Monitor U Gem and SS Cyg for Radio Observations weo 37 weeks 2 days ago Page
AAVSO Special Notice #224 weo 3 years 35 weeks ago Page
Alert Notice 468: Observing campaign on V380 Oph cancelled weo 1 year 48 weeks ago Page
Alert Notice 239: Outburst of 2328+48 Z Andromedae AND Request to monitor 2138+43 SS Cygni AND Request to monitor 1813+49 AM Herculis weo 27 weeks 1 day ago Page
Alert Notice #480: MR UMa superoutburst coverage requested for HST observations weo 1 year 19 weeks ago Page
Alert Notice 214: 0557-23 Supernova 1995ad in NGC 2139 AND 0059+53 Nova Cas 1995 AND Observations of 0409-71 VW Hyi and 0749+22 U Gem AND Fading of 1544+28a R CrB AND Change of Julian Date to 2450000 and AAVSO Data Entry Program [V723 Cas] weo 27 weeks 1 day ago Page
Alert Notice 365: Request to Monitor EF Eri for Hubble Space Telescope Observations weo 37 weeks 3 days ago Page
Special Notice #376: HST observations of U Gem scheduled for December 6 weo 33 weeks 3 days ago Page
Long-term monitoring of the recurrent nova U Scorpii Matthew Templeton 4 years 11 weeks ago Page
Alert Notice 309: FUSE satellite observations scheduled for 0409-71 VW Hyi AND Outburst of 2328+48 Z And weo 36 weeks 3 days ago Page
KT Eri (Nova Eridanus 2009) LKR 2 years 26 weeks ago Page
Alert Notice 251: 1903-50 Supernova 1998dq in NGC 6754 AND Rare outburst of the TOAD-type cataclysmic variable 1626+21 V592 Herculis AND Fading of 1544+28A R Coronae Borealis AND Request for observations of 0409-71 VW Hydri and 0749+22 U Geminorum weo 27 weeks 1 day ago Page
Special Notice #330: Next HST/COS targets are IR Com and BB Dor weo 1 year 24 weeks ago Page
Alert Notice 217: Brightening of 0059+53 Nova Cassiopeiae 1995 AND Request to monitor dwarf nova 0103+59 HT Cassiopeiae AND Request to monitor 2138+43 SS Cygni [V723 Cas] weo 27 weeks 1 day ago Page
Alert Notice 376: Request to monitor SDSS J151413.72+454911.9 for HST Observations weo 37 weeks 3 days ago Page
Alert Notice 197: Observations of cataclysmic variables for Astro-2, EUVE, Voyager, and ASCA satellites AND Reminder regarding outburst of 0749+22 U Gem weo 27 weeks 1 day ago Page
Alert Notice 314: Possible nova in Pyxis - 0914-29 N Pyx 05 AND New probable CV - 0523+62 RXSJ053234 (Bernhard01) AND Follow-up on request to monitor U Gem weo 36 weeks 6 days ago Page
Special Notice 255: Cataclysmic Variable in Draco = PNV J18422792+4837425 weo 2 years 44 weeks ago Page
Alert Notice 279: 0733-25 N? Pup 2000 - possible nova in Puppis AND Superoutbursts of 1132+02 RZ Leonis and 0203+56A UV Persei AND Reminder - Chandra and RXTE observations planned for 2138+43 SS Cygni [V445 Pup] weo 27 weeks 1 day ago Page
Special Notice #319: HST COS observing SDSS J093249.57+472523.0 2013 January 11-12 weo 1 year 28 weeks ago Page
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 weo 27 weeks 1 day ago Page
Observing Campaign: Request to monitor RE J1255+266 for HST observations weo 37 weeks 3 days ago Page
Alert Notice 203: 0527-70 Nova in the Large Magellanic Cloud (N LMC 95) AND Astro-2 cataclysmic variables [Nova LMC 1995] weo 27 weeks 1 day ago Page
Special Notice #385: SBS 1108+574 HST/COS observations crucial NOW weo 10 weeks 3 days ago Page
Possible new CV: Var Nor 05 weo 36 weeks 6 days ago Page
Alert Notice 434: Outburst of NSV 1436 Matthew Templeton 38 weeks 6 days ago Page
Alert Notice 150: Rare outburst of 2137+48 V1251 Cygni AND Large amplitude HIPPARCOS stars in need of more observations AND Updates on the activities of stars reported in Alert Notice 149 weo 36 weeks 2 days ago Page
Special Notice #310: Continued observing of V452 Cas requested weo 1 year 35 weeks ago Page
Alert Notice 228: Request to monitor 1804+67 HS 1804+6753 for observations with Hubble Space Telescope weo 27 weeks 1 day ago Page
Alert Notice 407: Outburst of the UGWZ-type dwarf nova EG Cancri weo 38 weeks 2 days ago Page
Alert Notice 206: Rare outburst of 1227+14 AL Comae Berenices weo 27 weeks 1 day ago Page
Alert Notice 186: Bright outburst of UV Per AND Nova Sgr 1994 Number 2 [V4362 Sgr] AND Nova Cas 1993 [V705 Cas] AND Superoutburst of VW Hyi AND Reminder on SS Cyg weo 27 weeks 1 day ago Page
Alert Notice 332: Request to monitor V426 Oph for XMM Newton observations weo 37 weeks 19 hours ago Page
Alert Notice 302: Request for monitoring of the magnetic cataclysmic variable 1931-46 QS Tel weo 36 weeks 2 days ago Page
Special Notice #299: Observations needed TODAY of SDSS J164248.52+134751.4 weo 1 year 41 weeks ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484