Support ATel At Patreon

[ Previous | Next | ADS ]

Detection with the BOOTES Network of the current outburst in the dwarf-nova ASASSN-14fc

ATel #15374; I. Perez-Garcia (IAA-CSIC, Spain), M. D. Caballero-Garcia (IAA-CSIC, Spain), A. J. Castro-Tirado (IAA-CSIC, Spain), E. Fernandez Garcia (IAA-CSIC, Spain), R. Sanchez-Ramirez (IAA-CSIC, Spain), Y.-D. Hu (IAA-CSIC, Spain), C. Perez del Pulgar (UMA, Spain), A. Reina Terol (UMA, Spain) on behalf of a larger collaboration
on 10 May 2022; 17:13 UT
Credential Certification: Maria D. Caballero-Garcia (mcaballero@iaa.es)

Subjects: Optical, Request for Observations, Cataclysmic Variable, Transient, Variables

The BOOTES-1A wide field image telescope at the BOOTES-1 station in Mazagon (INTA-CEDEA, Huelva, Spain) telescope automatically detected a rise in the flux of the ASASSN-14FC cataclysmic variable star at 00:09:11 UT on 7 May 2022. Its optical flux increased to 15.1 mag. (i.e. an increase of 2 mag.) in clear filter. ~3 days before the outburst detection (2022-05-03 23:28:20) we do not detect any source at given coordinates with a limit magnitude of 14.7. Following this alert, a set of three images were obtained 2-3 days after with the BOOTES-1B 0.3m robotic telescope located nearby.

B1A:

15.11 [+/-0.04] - 2022-05-07 00:09:11

B1B:

13.51 [+/-0.01] - 2022-05-09 02:10:56

13.37 [+/-0.01] - 2022-05-09 21:41:49

13.17 [+/-0.01] - 2022-05-09 22:43:02

The JG telescope at the BOOTES-5 station in San Pedro Martir Astronomical Observatory in Mexico also gathered a set of images in u, g, r, i, Z and Y filters starting at 2022-05-09 06:27:02 UT, showing a large contribution of its flux is due to the energetic part of the optical spectrum (i.e. u and g sloan filters), as described in ATel#6381.

Spectral observations are required.