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  tet CrB  
000-BBW-269 (680 observations)  
Corona Borealis Sequence
15 32 55.78 +31 21 32.9  (233.23242 +31.35914) Search nearby
B1950.0 15 30 54.75 +31 31 36.8
Proper motion
RA: -20.15 +/- 0.28 mas/yDec: -9.39 +/- 0.39 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 49.685 +54.714
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
4 CrB A tet CrB A AAVSO 1544+28C
BD+31 2750 A HD 138749 A HD 138749 AB
HIP 76127 HR 5778 MWC 237
NSV 7134 SAO 64769 A  
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Variability type
Spectral type B6III
Mag. range
4.06 - 4.33 V
Discoverer --
Outburst --
Period --
Rise/eclipse dur. --
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Click reference title/citation to view in new window. Roll over index number to view submission details.
1 G.Guerrero, M.Bossi, M.Scardia, AsAp 260, No.1/2, 311, 1992. 1992A&A...260..311G
2 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 1982ApJS...50...55S
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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 = 4.43H = 4.47K = 4.43J - K = -0.00
AllWISE W1 = 4.41W2 = 4.13W3 = 4.39W4 = 4.23W1 - W2 = 0.28W3 - W4 = 0.17
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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Revision History
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3 Admin, VSX 2017-12-15 22:19 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
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.