2018A&A...617A..88R


C.D.S. - SIMBAD4 rel 1.7 - 2020.04.08CEST14:36:12

2018A&A...617A..88R - Astronomy and Astrophysics, volume 617A, 88-88 (2018/9-1)

Detection of a 23.6 min periodic modulation in the optical counterpart of 3XMMJ051034.6-670353.

RAMSAY G., MARSH T.R., KUPFER T., DHILLON V.S., STEEGHS D., WOUDT P. and GROOT P.

Abstract (from CDS):

We present high speed optical photometric observations made using the NTT and ULTRACAM of the optical counterpart of 3XMMJ051034.6-670353, which was recently identified as an X-ray source showing a modulation on a period of 23.6min. Although the optical counterpart is faint (g=21.4), we find that the u'g'r' light curves show a periodic modulation on a period which is consistent with the X-ray period. We also obtained three low resolution spectra of 3XMMJ051034.6-670353 using the Gemini South Telescope and GMOS. There is no evidence for strong emission lines in the optical spectrum of 3XMMJ051034.6-670353. We compare and contrast the optical and X-ray observations of 3XMMJ051034.6-670353 with the ultra compact binaries HM Cnc and V407 Vul. We find we can identify a distribution of binary masses in which stable direct impact accretion can occur.

Abstract Copyright: © ESO 2018

Journal keyword(s): accretion, accretion disks - binaries: close - novae, cataclysmic variables - X-rays: stars

Status at CDS:  

Simbad objects: 7

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Number of rows : 7

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 V* ES Cet AM* 02 00 52.2360462965 -09 24 31.645113651   16.3   16.7 16.97 ~ 67 0
2 3XMM J051034.6-670353 CV? 05 10 34.78 -67 03 54.2           ~ 2 0
3 RX J0806.3+1527 XB* 08 06 22.9519582696 +15 27 31.007381265   20.7     21.2 ~ 122 0
4 V* AM CVn CV* 12 34 54.6230046722 +37 37 44.120772480   14.02 14.13 14.47   DBnnp 374 0
5 V* CR Boo DN* 13 48 55.1859261603 +07 57 35.927051968           ~ 165 0
6 CD-32 9927 * 14 11 46.3240134300 -33 03 14.379335532   10.793 10.444 10.12 10.106 A4 81 0
7 RX J1914.4+2456 XB* 19 14 26.09 +24 56 44.6           ~ 121 0

    Equat.    Gal    SGal    Ecl

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2020.04.08-14:36:12

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