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Latest Details
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Name
  bet UMi  
AAVSO UID
000-BBV-714 (2 observations)  
Constellation
Ursa Minor Sequence
J2000.0
14 50 42.33 +74 09 19.8  (222.67638 +74.15550) Search nearby
B1950.0 14 50 49.73 +74 21 35.9
Proper motion
RA: -32.61 +/- 0.11 mas/yDec: 11.42 +/- 0.13 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 112.647 +40.503
Other names

(Internal only)
7 UMi 2MASS J14504235+7409199 7 UMi
BD+74 595 CSV 101477 GC 20029
GCRV 8646 GSC 04416-01799 HD 131873
HIP 72607 HR 5563 IRAS 14508+7421
IRC +70125 Kochab NSV 6846
PPM 8758 RAFGL 1740 SAO 8102
SV* ZI 1097 TIC 229540730 TYC 4416-1799-1
WDS J14507+7409A    
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Variability type
ORG:
Spectral type K4III Ba0.3
Mag. range
2.07 V (0.001)TESS
Discoverer --
Epoch
27 Jun 2022 (HJD 2459758.00) Ephemeris
Outburst --
Period 14.83 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Otero, Sebastian Alberto Barium star suspected of harboring a white dwarf or substellar mass companion with minimum mass of 6.1 MJup, a period of 522 d, and an eccentricity e= 0.19 (2014A&A...566A..67L).
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References
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1 Huang, C. X.; et al., 2020, Photometry of 10 Million Stars from the First
Two Years of TESS Full Frame Images: Part I
2020RNAAS...4..204H
2 Lee, B. -C.; Han, I.; Park, M. -G.; et al., 2014, Planetary companions in K
giants β Cancri, μ Leonis, and β Ursae Minoris
2014A&A...566A..67L
3 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
4 J.Herschel, MN 7, 95, 1846. 1846MNRAS...7...95H
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 = -0.49H = -1.23K = -1.29J - K = 0.79
AllWISE W3 = -1.08W4 = -1.44W3 - W4 = 0.36
GALEX-DR5 FUV = 16.65NUV = 12.88FUV - NUV = 3.77
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 14 50 42.33 +74 09 19.8 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2025-07-28 02:15 UTC Phase plot showing likely oscillations with TESS QLP data.
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2025-07-28 02:06 UTC Type, period, epoch and amplitude from TESS QLP data. Mean magnitude derived from Hipparcos and GCPD data. Spectral type and companion information from 2014A&A...566A..67L.
2 Admin, VSX 2010-01-18 23:18 UTC Update from NSV version of July 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.