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Latest Details
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Name
  RY Leo  
AAVSO UID
000-BBR-126 (15239 observations)  
Constellation
Leo Sequence
J2000.0
10 04 15.91 +13 58 57.7  (151.06629 +13.98269) Search nearby
B1950.0 10 01 33.96 +14 13 32.4
Proper motion
RA: 3.598 +/- 0.097 mas/yDec: -8.751 +/- 0.062 mas/ySource: Gaia DR1
Galactic coord. 223.002 +48.943
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 0958+14 AN 5.1918 ASAS J100416+1359.0
ASASSN-V J100416.03+135858.2 BD+14 2194 HIP 49333
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Variability type
SRB
Spectral type M2e
Mag. range
9 - 11.8 V
Discoverer Thorvald Kohl (1918)
Epoch
12 Jun 2004 (HJD 2453168.9) Ephemeris
Outburst --
Period 155 d
Rise/eclipse dur. 47%  (73 d)
Remarks
There are currently no remarks on file for this star. (Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 Hartwig, E.; Kempf, P.; Muller, G., 1919, Benennung von neu entdeckten
veraenderlichen Sternen		 1919AN....208...57.
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 = 6.47H = 5.66K = 5.32J - K = 1.15
AllWISE W1 = 4.92W2 = 4.32W3 = 3.72W4 = 2.94W1 - W2 = 0.60W3 - W4 = 0.79
APASS-DR9 B = 12.37V = 11.20g' = 11.50r' = 10.58i' = 9.50B - V = 1.17
GALEX-DR5 NUV = 20.26
SDSS-DR12 u = 15.18g = 12.05r = 10.25i = 8.75z = 8.31u - g = 3.13r - i = 1.50
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 10 04 15.91 +13 58 57.7 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 LPV Program
 Percy's Unusual LPVs
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Fernig, Leo 2023-03-29 20:21 UTC Discoverer updated from 1919AN....208...57. page 63.
3 Otero, Sebastian Alberto 2018-06-11 00:44 UTC Primary record creation.
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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