AAVSO Home



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Latest Details
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Name
  T UMa  
AAVSO UID
000-BBT-010 (79218 observations)  
Constellation
Ursa Major Sequence
J2000.0
12 36 23.47 +59 29 13.0  (189.09779 +59.48694) Search nearby
B1950.0 12 34 07.31 +59 45 43.8
Proper motion
RA: -15.132 +/- 0.063 mas/yDec: -7.248 +/- 0.066 mas/ySource: Gaia DR1
Galactic coord. 126.490 +57.537
Other names

(Internal only)
AAVSO 1231+60 ASASSN-V J123623.31+592912.9 BD+60 1406
HD 109729 HIP 61532 HR 4800
IRC +60219 SAO 28444  
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Variability type
M
Spectral type M4IIIe-M7e
Mag. range
6.5 - 13.8 V
Discoverer Hencke, 1856
Epoch
15 Oct 1983 (HJD 2445623.00) Ephemeris
Outburst --
Period 256.35 d
Rise/eclipse dur. 41%  (105 d)
Remarks
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1 GCVS Team Maser (H2O).
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References
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1 T. Köhl, AN 196, 145, 1913. 1913AN....196..145K
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 = 4.08H = 3.39K = 2.73J - K = 1.35
AllWISE W3 = 1.07W4 = 0.33W3 - W4 = 0.74
APASS-DR9 B = 12.87V = 11.35g' = 12.23r' = 10.31B - V = 1.53
SDSS-DR12 u = 14.06g = 9.57r = 11.33i = 10.06z = 8.64u - g = 4.49r - i = 1.27
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 12 36 23.47 +59 29 13.0 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
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.
5 Otero, Sebastian Alberto 2024-01-18 18:45 UTC Period and range from AAVSO data.
4 Billiaert, Bruno 2015-12-06 00:26 UTC added reference
3 Billiaert, Bruno 2015-12-02 13:34 UTC added discoverer
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.