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Name
  Z UMi  
AAVSO UID
000-BBV-812 (25696 observations)  
Constellation
Ursa Minor Sequence
J2000.0
15 02 01.48 +83 03 48.7  (225.50617 +83.06353) Search nearby
B1950.0 15 06 08.98 +83 15 24.7
Proper motion
RA: -13.092 +/- 3.791 mas/yDec: 1.117 +/- 3.331 mas/ySource: Gaia DR1
Galactic coord. 118.482 +32.898
Other names

(Internal only)
2MASS J15020132+8303485 AAVSO 1510+83 GSC 04634-01727
IRAS 15060+8315 NSVS J1502012+830348 SVS 598
WISE J150201.35+830348.6    
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Variability type
RCB
Spectral type C
Mag. range
10.8 - 19.0 V
Discoverer --
Epoch
--
Outburst --
Period 130: d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Very deep minimum around JD 2454300.
2 Otero, Sebastian Alberto Period given is for the typical RCB pulsations.
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References
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1 A Cool R Coronae Borealis Star Z UMi, Kipper, Tõnu; Klochkova, Valentina
G.
2006BaltA..15..531K
2 Z Ursa Minoris - a new R Coronae Borealis variable 1994AJ....108..247B
3 vsnet-obs #57761 --
4 M.Zverev, Perem. Zvezdy 5, 190, 1938. --
5 S.Beljawsky, Perem. Zvezdy 4, 345, 1934. --
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 = 8.41H = 7.92K = 7.31J - K = 1.10
AllWISE W1 = 6.04W2 = 4.84W3 = 3.46W4 = 2.90W1 - W2 = 1.20W3 - W4 = 0.56
APASS-DR9 B = 12.46V = 11.14g' = 11.90r' = 10.72i' = 11.04B - V = 1.32
GALEX-DR5 NUV = 18.18
Images
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Supporting Documents
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Campaigns/Programs
 LPV Program
Revision History
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5 Otero, Sebastian Alberto 2012-07-05 20:24 UTC Minimum magnitude updated with AAVSO data.
4 Renz, Wolfgang 2007-08-08 17:57 UTC Revised Cust. variable type 'R CrB' to Std. variable type 'RCB'.
3 Otero, Sebastian Alberto 2007-04-02 07:00 UTC NOMAD position. Range updated with V data.
2 Dill, Albert 2006-03-27 10:47 UTC 2005AJ....130.2293Z
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.