2021RNAAS...5..182B

Query : 2021RNAAS...5..182B

2021RNAAS...5..182B - Research Notes of the AAS, 5, 182 (2021/August-0)

Multiwavelength Properties of the Newly Discovered Dwarf Nova ASASSN-21kt.

BANDEIRA V., LOPES DE OLIVEIRA R., SOKOLOVSKY K.V. and MUKAI K.

Abstract (from CDS):

We report on archival XMM-Newton and post-outburst Swift observations of the newly discovered dwarf nova ASASSN-21kt. Its pre-outburst X-ray emission is consistent with that of a collisionally ionized, thermal plasma with ${kT}={8.1}_{-2.5}^{+10.2}$ keV and L_X 0.2-12 keV_ = 7 × 1032 erg s–1, with no clear modulation. Multiple optical outbursts revealed by Gaia and time evolution of the last one followed by the All-Sky Automated Survey for Supernovae, and X-ray properties presented here support the dwarf nova classification of ASASSN-21kt.

Abstract Copyright: © 2021. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Cataclysmic variable stars - Dwarf novae

Simbad objects: 3

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Number of rows : 3
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 V* BV Cen CV* 13 31 19.5105743208 -54 58 33.657394152     13.151 12.746 12.226 G5-8IV/V 196 0
2 ASASSN -21kt ev 14 08 10.550 -45 26 50.71           ~ 1 0
3 V* V834 Cen CV* 14 09 07.2863511816 -45 17 16.023776676       15.301   M6.5 333 0

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