CVNET
Cataclysmic Variables Network
ACTIVITY AT A GLANCE
Last updated 23:39 UT on 17 March 2024
(All objects mentioned in this section are in the International Variable Star Index; additionally, VSX links have been given for selected cataclysmic variables)
'Activity at a Glance' is gleaned from observations reported to AAVSO MyNewsFlash, BAAVSS-Alert, CVnet-Outburst, VSObs-share and VSNET-outburst. We sincerely thank all the observers who contribute timely observations and reports of activity to these ema il lists.
New outbursts and unusual activity reported in the last 5 days
YYYYMMDD
20240317
BZ Cir
TU Ind
X Leo
BI Ori
V1089 Sgr
20240316
V342 Cen
CT HYa
HP Nor
RETVAR2005
DV Sco
EK TrA
20240315
SS Aur
VW Hyi
RU LMi
ASASSN-14hv
ASASSN-17ft
ASASSN-18go
SSS 110327:112815-344807
20240314
BP CrA
DR Hyi
CS Ind
AD Men
BE Oct
V699 Oph
GS Pav
X Ser
VW Tuc
SU UMa
SY Vol
NSV 11274
SSS 100511:061754-362655
# indicates a noteworthy or unusual activity
: indicates confirmation required
* indicates time-resolved photometry required
CV News
Nova in Ophiuchus: N Oph 2024 = V4370 Oph = TCP J17395720-2627410
March 14, 2024
Monitoring requested for AT 2000ch (LMi)
February 20, 2024
Exact HST schedule for SDSS J080449.49+161624.8 this week
February 13th, 2024
Bright nova in Sco: V1723 Sco (= N Sco 2024 = PNV J17261813-3809354)
February 13th, 2024
HST schedule set for SDSS J080449.49+161624.8
February 2nd, 2024
Monitoring requested for PSN J12355230+2755559 (Com)
January 23rd, 2024
HST schedule set for ASASSN-18dg
January 2, 2024
VY Scl coverage needed now for HST ToO observations
November 13, 2023
BF Eri monitoring requested in support of HST observations this week.
November 4, 2023
Monitoring requested for 11 dwarf novae in support of HST observations in 2023-2024
October 26, 2023
Recurrent nova T CrB has just started its Pre-eruption Dip in March/April 2023, so the eruption should occur around 2024.4 +- 0.3
June 30, 2023
Monitoring requested for 12 dwarf novae in support of HST observations in 2022-2023
19 October, 2022
Monitoring requested for 15 VY Scl CVs in support of HST observations
14 September 2021
Recent Papers on CVs
For new papers on CVs see arxiv.org astro-ph
Updated 13 February, 2024
3D physical structure and angular expansion of the remnant of the recurrent nova T Pyx
E. Santamaría, J. A. Toalá, M. A. Guerrero, G. Ramos-Larios, L. Sabin
Discovery of a nova super-remnant cavity surrounding RS Ophiuchi
M. W. Healy-Kalesh, M. J. Darnley, E. J. Harvey, A. M. Newsam
Period bouncers as detached magnetic cataclysmic variables
Matthias R. Schreiber, Diogo Belloni, Jan van Roestel
A trio of month long flares in the nova-like variable V704 And
Gabriella Zsidi, , C. J. Nixon, , T. Naylor, , J. E. Pringle, and K. L. Page
The peculiar ejecta of Nova V1425 Aquilae
C. Tappert, L. Celedón, L. Schmidtobreick
Albert Bruch
The recurrent nova T CrB had prior eruptions observed near December 1787 and October 1217 AD
Bradley E. Schaefer
Recurrent Symbiotic Nova T Coronae Borealis Before Outburst
N.A. Maslennikova, A.M. Tatarnikov, A.A. Tatarnikova, A.V. Dodin, V.I. Shenavrin, M.A. Burlak, S.G. Zheltoukhov, I.A. Strakhov
Symbiotic star T CrB as an extreme SU UMa type dwarf nova
Krystian I lkiewicz, Joanna Miko lajewska, and Kiril A. Stoyanov
A catalogue of cataclysmic variables from 20 years of the Sloan
Digital Sky Survey with new classifications, periods, trends and
Keith Inight, Boris T. Gänsicke, Elmé Breedt, Henry T. Israel, Stuart P. Littlefair,
Christopher J. Manser, Tom R. Marsh, Tim Mulvany, Anna Francesca Pala,
John R. Thorstensen
Bradley E. Schaefer
A magnetic valve at L1 revealed in TESS photometry of the asynchronous polar BY Cam
Paul A. Mason, Colin Littlefield, Lorena C. Monroy, John F. Morales, Pasi Hakala, Peter Garnavich, Paula Szkody, Mark R. Kennedy, Gavin Ramsay, Simone Scaringi
Carlos E. Chavez, Nikolaos Georgakarakos, Andres Aviles, Hector Aceves, Gagik Tovmassian, Sergey Zharikov, J. E. Perez-Leon, Francisco Tamayo
V392 Persei: a γ-ray bright nova eruption from a known dwarf nova
F. J. Murphy-Glaysher, M. J. Darnley, É. J. Harvey, A. M. Newsam, K. L. Page, S. Starrfield, R. M. Wagner, C. E. Woodward, D. M. Terndrup, S. Kafka, T. Arranz Heras, P. Berardi, E. Bertrand, R. Biernikowicz, C. Boussin, D. Boyd, Y. Buchet, M. Bundas, D. Coulter, D. Dejean, A. Diepvens, S. Dvorak, J. Edlin, T. Eenmae, H. Eggenstein, R. Fournier, O. Garde, J. Gout, D. Janzen, P. Jordanov, H. Kiiskinen, D. Lane, R. Larochelle, R. Leadbeater, D. Mankel, G. Martineau, I. Miller, R. Modic, J. Montier, M. Morales Aimar, E. Muyllaert, R. Naves Nogues, D. O'Keeffe, A. Oksanen, M. Pyatnytskyy, R. Rast, B. Rodgers, D. Rodriguez Perez, F. Schorr, E. Schwendeman, S. Shadick, S. Sharpe, F. Soldán Alfaro, T. Sove, G. Stone, T. Tordai, R. Venne, W. Vollmann, M. Vrastak, K. Wenzel
CV artwork courtesy Darren Baskill