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Details for Revision 5
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Name
  AR Sco  
AAVSO UID
000-BFK-391 (25333 observations)  
Constellation
Scorpius Sequence
J2000.0
16 21 47.29 -22 53 10.4  (245.44704 -22.88622) Search nearby
B1950.0 16 18 48.06 -22 46 08.0
Galactic coord. 353.519 +18.712
Other names

(Internal only)
1RXS J162147.0-225306 2MASS J16214728-2253102 AN 216.1904
HV 1064 SOPS IVg- 2  
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Variability type
WDP+R
Spectral type WD+M5Ve
Mag. range
13.6 - 16.9 g
Discoverer --
Epoch
30 Aug 2015 (HJD 2457264.59615) Ephemeris
Outburst --
Period 0.14853528 d  (3.564847 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Spin period 1.95 min. Some properties of DQ stars but lack of significant accretion and X-ray luminosity less than 1% of the X-ray luminosity of a typical DQ.
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References
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1 T. R. Marsh; B. T. Gansicke; S. Hümmerich; et al., 2016, A radio pulsing
white dwarf binary star		 Nature, 18620 (2016)
2 M. Bode Mathur; R. Abichandani; A. Fruscione; et al., 2019 , ATel #12464 2019ATel12464....1B
3 V.Satyvoldiev, Perem. Zvezdy Supplement 4, N20, 109, 1982. 1982PZP.....4..109S
4 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1972POAN....2...59S
5 V.Satyvaldiev, Astron. Tsirk. N633, 1971. --
6 Dunér, N. C.; et al., 1914, Benennung von neu entdeckten veränderlichen
Sternen		 1914AN....199...65D
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Supporting Documents
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Revision History
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6 Fernig, Leo 2022-06-29 19:57 UTC Discoverer updated from 1914AN....199...65D page 82
5 Otero, Sebastian Alberto 2021-07-30 01:53 UTC Type corrected.
4 Otero, Sebastian Alberto 2019-02-02 04:59 UTC Type from 2019ATel12464....1B.
3 Otero, Sebastian Alberto 2016-07-29 09:31 UTC Type, period, epoch, spectral type and range from Marsh et al. (2016). UCAC4 position.
2 Admin, VSX 2007-04-04 09:54 UTC Position and spectral type from Brian Skiff's MKTypes.dat [http://vizier.u-strasbg.fr/viz-bin/Cat?III/233B].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.

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