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Latest Details
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Name
  RS Sco  
AAVSO UID
000-BBY-181 (14600 observations)  
Constellation
Scorpius Sequence
J2000.0
16 55 37.81 -45 06 10.8  (253.90754 -45.10300) Search nearby
B1950.0 16 51 59.80 -45 01 23.4
Proper motion
RA: 19.99 +/- 4.32 mas/yDec: -39.87 +/- 2.29 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 341.083 -1.084
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1648-44 ASAS J165538-4506.2 ASASSN-V J165535.87-450716.6
CD-44 11274 CPD-44 8106 HD 152476
HIP 82833 HV 9 IOMC 8327000046
IRAS 16520-4501 SAO 227442 TYC 8327-497-1
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Variability type
M
Spectral type M5e-M9
Mag. range
5.96 - 13.0 V
Discoverer Williamina Fleming (1890)
Epoch
21 Sep 2005 (HJD 2453635.0) Ephemeris
Outburst --
Period 319.5 d
Rise/eclipse dur. 40%  (128 d)
Remarks
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References
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1 T. Jayasinghe, K. Z. Stanek, C. Kochanek, et al., 2019 (in preparation) --
2 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
3 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
4 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
5 T. Karlsson, Maxima of Mira stars --
6 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
External Links
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Location    Go   
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 1.80H = 0.89K = 0.36J - K = 1.44
AllWISE W3 = -1.20W4 = -2.14W3 - W4 = 0.94
Images
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Supporting Documents
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Campaigns/Programs
 LPV Program
 Legacy LPV South
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Otero, Sebastian Alberto 2024-01-18 20:05 UTC Period and epoch from AAVSO data.
4 Fernig, Leo 2022-04-22 13:33 UTC Discoverer updated from 1907AnHar..55....1C page 21
3 Otero, Sebastian Alberto 2011-04-26 00:37 UTC Primary record creation. Period, epoch, rise duration and maximum magnitude from ASAS-3 data.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.