CVNET 

Cataclysmic Variables Network

ACTIVITY AT A GLANCE

Last updated 15:58 UT on January 19, 2025

(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


YYYYMMD

20250118

AM Cas

YZ Cnc

UV Gem

KT Per


20250117

RX And

DV TrA

NSV 35

DDE 76

MASTER OT J142023.47-485540.0


20250116

HL CMa

ST Cha

AG Hya

DR Hyi

BI Ori

V1159 Ori

BV Pup

BX Pup

SS UMi

SY Vol




# indicates a noteworthy or unusual activity

:  indicates confirmation required
* indicates time-resolved photometry required











CV News


Alert Notice - Observing Campaign #877

Photometry of GOTO065054.49+593624.51 requested

November 5, 2024


AAVSO Alert Notice 858

SS Cyg monitoring requested

April 2, 2024



Recent Papers on CVs

For new papers on CVs see arxiv.org astro-ph


Updated 25 December, 2024


Superoutbursts and Positive Superhumps are Detected During the Standstill in AT Cnc

Qi-Bin Sun, Sheng-Bang Qian, Li-Ying Zhu, Qin-Mei Li Fu-Xing Li, Min-Yu Li, Ping Li


The Rise of Nova V1674 Herculis

Robert M. Quimby, Brian D. Metzger, Ken J. Shen, Allen W. Shafter, Hank Corbett, Madeline Overton


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


TESS light curves of cataclysmic variables -- III -- More superhump systems among old novae and novalike variables

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

oddities.

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


The B & V Light Curves for Recurrent Nova T CrB From 1842--2022, the Unique Pre- and Post-Eruption High-States, the Complex Period Changes, and the Upcoming Eruption in 2025.5±1.3

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


Testing the third body hypothesis in the Cataclysmic Variables LU Camelopardalis, QZSerpentis, V1007 Herculis and BK Lyncis

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

ACTIVITY AT A GLANCE

Last updated 12:04 UT on December 27, 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


20241227

20241226

HL CMa


20241225

OQ Car

V485 Cen

ST Cha

BC Dor

CK Eri

AG Hya

AD Men

CL Pup

VZ Pyx

DV TrA

SY Vol


20241224

FO And

V630 Cas

ASASSN-18dg

ASASSN-18zi


20241223

AR Pic



# indicates a noteworthy or unusual activity

:  indicates confirmation required
* indicates time-resolved photometry required