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Latest Details
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Name
  X UMi  
AAVSO UID
000-BCL-351 (2202 observations)  
Constellation
Ursa Minor Sequence
J2000.0
20 19 55.61 +88 16 27.8  (304.98171 +88.27439) Search nearby
B1950.0 20 45 04.56 +88 06 07.2
Proper motion
RA: 0.8 +/- 7.6 mas/yDec: 14.4 +/- 7.6 mas/ySource: UCAC4
Galactic coord. 121.146 +26.467
Other names

(Internal only)
AAVSO 2105+87 AN 114.1914  
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Variability type
M
Spectral type Me
Mag. range
12.5 - 18.4 p
Discoverer --
Epoch
21 Jan 1978 (HJD 2443530) Ephemeris
Outburst --
Period 338 d
Rise/eclipse dur. 36%
Remarks
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1 GCVS Team P var? Max = 2424224 + 343d*E (JD2423800 - 25100) [A.Brun, Lyon Bull 10, 65 A, 1928.]; since JD2438100 - see Table.
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References
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1 M.Raetz, BAV-Mitt. Nr 151 (2002) 2002BAVSM.151....1R
2 C.Hetzler, ApJ 86, 509, 1937. 1937ApJ....86..509H
3 E.Splittgerber, MVS 6, H. 8, 193, 1975. --
External Links
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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 = 5.71H = 4.91K = 4.30J - K = 1.41
AllWISE W1 = 3.62W2 = 2.85W3 = 1.76W4 = 1.08W1 - W2 = 0.76W3 - W4 = 0.69
Images
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Supporting Documents
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Revision History
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3 Raetz, Manfred 2013-08-16 14:56 UTC unlisted reference
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.