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Latest Details
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Name
  V Leo  
AAVSO UID
000-BBR-081 (10430 observations)  
Constellation
Leo Sequence
J2000.0
10 00 01.92 +21 15 44.4  (150.00800 +21.26233) Search nearby
B1950.0 09 57 14.96 +21 30 10.1
Proper motion
RA: 4.93 +/- 3.24 mas/yDec: -14.03 +/- 1.17 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 211.919 +50.661
Other names

(Internal only)
AAVSO 0954+21 ASASSN-V J100001.87+211544.3 BD+21 2140
HD 86608 HIP 49026  
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Variability type
M
Spectral type M5e
Mag. range
8.4 - 14.7 V
Discoverer Becker (1882)
Epoch
20 Oct 1975 (HJD 2442706.00) Ephemeris
Outburst --
Period 273.35 d
Rise/eclipse dur. 44%  (120 d)
Remarks
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1 GCVS Team H2O maser.
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References
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1 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
2 T. Karlsson, Maxima of Mira stars --
3 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 = 4.96H = 4.02K = 3.47J - K = 1.48
AllWISE W3 = 1.24W4 = 0.77W3 - W4 = 0.47
APASS-DR9 B = 15.09V = 13.55g' = 14.60r' = 11.99B - V = 1.53
SDSS-DR12 u = 12.53g = 10.70r = 11.81i = 12.21z = 9.16u - g = 1.83r - i = -0.40
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 10 00 01.92 +21 15 44.4 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2024-06-28 18:35 UTC Minimum magnitude from AAVSO data.
3 Fernig, Leo 2022-04-22 13:31 UTC Discoverer updated from 1907AnHar..55....1C page 15
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.

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