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Latest Details
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Name
  RS Her  
AAVSO UID
000-BBY-894 (33313 observations)  
Constellation
Hercules Sequence
J2000.0
17 21 42.36 +22 55 16.0  (260.42648 +22.92112) Search nearby
B1950.0 17 19 36.57 +22 58 07.1
Proper motion
RA: -19.273 +/- 0.031 mas/yDec: 3.539 +/- 0.047 mas/ySource: Gaia DR1
Galactic coord. 45.279 +29.367
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1717+23 ASAS J172142+2255.3 ASASSN-V J172142.43+225516.0
BD+23 3090 HD 157330 HIP 84948
IRC +20322 SAO 85031 ZTF J172142.32+225516.1
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Variability type
M
Spectral type M4e-M8:
Mag. range
7.5 - 13.0 V
Discoverer T.D. Anderson, 1895
Epoch
13 Jul 2003 (HJD 2452834) Ephemeris
Outburst --
Period 218 d
Rise/eclipse dur. 47%  (102 d)
Remarks
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
2 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars
2020arXiv200508662C
3 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
4 T. Karlsson, Maxima of Mira stars --
5 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 = 4.42H = 3.61K = 3.14J - K = 1.27
AllWISE W3 = 1.53W4 = 1.05W3 - W4 = 0.48
APASS-DR9 B = 13.82V = 12.16g' = 13.16r' = 10.92B - V = 1.66
GALEX-DR5 NUV = 22.02
SDSS-DR12 u = 15.72g = 15.79r = 12.40i = 8.23z = 7.83u - g = -0.07r - i = 4.17
Images
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Supporting Documents
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Campaigns/Programs
 Legacy LPV Program
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2021-10-26 06:15 UTC ZTF name from 2020arXiv200508662C added. Gaia EDR3 position.
3 Otero, Sebastian Alberto 2013-09-25 19:28 UTC Period and epoch from ASAS-3 data. Range from AAVSO 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.