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Latest Details
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Name
  NSV 21626  
AAVSO UID
--  
Constellation
Hercules Sequence
J2000.0
17 21 33.43 +16 43 52.3  (260.38930 +16.73120) Search nearby
B1950.0 17 19 19.55 +16 46 45.3
Proper motion
RA: -7.22 +/- 0.36 mas/yDec: -16.48 +/- 0.35 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 38.695 +27.195
Other names

(Internal only)
BD+16 3163 HD 157257 HIP 84938
HR 6463 IRC +20321 RAFGL 1958
SAO 102770    
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Variability type
SR
Spectral type M2III
Mag. range
6.4 - 6.47 Hp
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Admin, VSX Detected periods: 19.7, 23.6d [2009arXiv0908.3228T].
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References
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1 V. Tabur, T.R. Bedding, L.L. Kiss, T.T. Moon, B. Szeidl, H. Kjeldsen, 2009,
arXiv:0908.3228v1 [astro-ph.SR]
2009arXiv0908.3228T
2 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
3 The Hipparcos and Tycho Catalogues, Vol.11 and Vol.17, CD-ROM No.1,
SP-1200, ESA, 1997.
1997ESASP1200.....P
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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 = 2.55H = 1.78K = 1.49J - K = 1.06
AllWISE W3 = 1.86W4 = 1.74W3 - W4 = 0.12
APASS-DR9 B = 7.94V = 6.40g' = 7.78r' = 6.00i' = 4.84B - V = 1.54
Images
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Supporting Documents
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Revision History
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3 Admin, VSX 2013-05-03 23:31 UTC Update from [2002MNRAS.331...45K].
2 Admin, VSX 2009-08-26 01:52 UTC Update from [2009arXiv0908.3228T].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.