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Name
  gam UMi  
AAVSO UID
000-BBW-039 (No observations)  
Constellation
Ursa Minor Sequence
J2000.0
15 20 43.71 +71 50 02.5  (230.18213 +71.83403) Search nearby
B1950.0 15 20 47.43 +72 00 43.3
Proper motion
RA: -17.73 +/- 0.13 mas/yDec: 17.90 +/- 0.11 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 108.463 +40.837
Other names

(Internal only)
13 UMi BD+72 679 HD 137422
HIP 75097 HR 5735 IRC +70129
SAO 8220    
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Variability type
DSCTC
Spectral type A3II-III
Mag. range
3.04 (0.05) V
Discoverer --
Epoch
03 Apr 1968 (HJD 2439950.367) Ephemeris
Outburst --
Period 0.143009 d  (3.4322 h)
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 GCVS Team P var. Max = 2424301.78 + 0.14335d*E [R.H.Baker, PASP 38, 86, 1926.]; Max = 2427904.468 + 0.14335d*E [E.J.Meyer, AN 259, 237, 1936.]. Elements given in the Table represent observations in 1964 - 1968. According to [O.Struve, PA 31, 90, 1923.] Vr var in 1922 with P = 0.108449d.
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References
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1 S.C.Joshi, S.K.Gurtu, M.C.Joshi, Obs 89, 112, 1969. 1969Obs....89..112J
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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 = 2.90H = 2.77K = 2.71J - K = 0.20
AllWISE W3 = 2.69W4 = 2.65W3 - W4 = 0.05
Images
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Supporting Documents
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Revision History
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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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