CVNET 

Cataclysmic Variables Network

ACTIVITY AT A GLANCE

Last updated 12:54 UT on October 6, 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


20241004

AR And

AB Dra

SU UMa


20241003

LX And

Z Cam

V1504 Cyg

AY Lyr

KT Per


20241002

UZ Ser

ASASSN-14dw

DDE 76




# indicates a noteworthy or unusual activity

:  indicates confirmation required
* indicates time-resolved photometry required











CV News


AAVSO Alert Notice - Observing Campaign #872

Nova in Sco: N Sco 2024 No. 3 = V1725 Sco (TCP J17064645-3528079)

September 11, 2024


AAVSO Alert Notice 868

Photometry of BZ Camelopardalis in support of HST, Chandra multiwavelength observing campaign

Active Dates: Aug. 26, 2024 – Oct. 31, 2024

August 26, 2024


AAVSO Alert Notice 869

CS Ind HST schedule set for August 30

August 23, 2024


Nova Vul 2024: PNV J19430751+2100204

Spectroscopic Classification of PNV J19430751+2100204 as a Nova Outburst

ATel 16743

AAVSO Alert Notice 867


BAAVSS Alert

Optical Transient in Cygnus, AT 2024lwu

ATel 16676

June 27, 2024


AAVSO Alert Notice 858

SS Cyg monitoring requested

April 2, 2024


AAVSO Alert Notice 838

Monitoring requested for 11 dwarf novae in support of HST observations in 2023-2024

October 26, 2023


AAVSO Alert Notice 754

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


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