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Latest Details
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Name
  NSV 19648  
AAVSO UID
000-BLK-535 (No observations)  
Constellation
Coma Berenices Sequence
J2000.0
13 11 52.39 +27 52 41.5  (197.96829 +27.87819) Search nearby
B1950.0 13 09 32.48 +28 07 52.4
Proper motion
RA: -801.44 mas/yDec: 882.04 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 43.503 +85.407
Other names

(Internal only)
43 Com bet Com 1RXS J131152.9+275242
BD+28 2193 GJ 502.0 HD 114710
HIP 64394 HR 4983 IRC +30246
PPM 102444 SAO 82706 TYC 1996-2400-1
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Variability type
ROT
Spectral type F9.5V
Mag. range
4.23 - 4.28 V
Discoverer --
Epoch
21 May 1990 (HJD 2448032.8) Ephemeris
Outburst --
Period 12.35 d
Rise/eclipse dur. --
Remarks
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References
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1 Wright, N. J.; et al., 2011, The Stellar-activity-Rotation Relationship and
the Evolution of Stellar Dynamos
2011ApJ...743...48W
2 Perryman, M. A. C.; ESA, 1997, The HIPPARCOS and TYCHO catalogues. 1997HIP...C......0E
3 D.F.Gray, S.L.Baliunas, G.W.Lockwood, B.A.Skiff, ApJ 456, No.1, 365, 1996. 1996ApJ...456..365G
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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 = 3.23H = 2.99K = 2.92J - K = 0.31
Images
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Supporting Documents
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Revision History
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2 Otero, Sebastian Alberto 2014-10-08 20:09 UTC Period and epoch from 2011ApJ...743...48W and HIPPARCOS data. Type, epoch and position from HIPPARCOS data. Range from GCPD and HIPPARCOS data.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.