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Name
  gam CrB  
AAVSO UID
000-BBW-475 (28 observations)  
Constellation
Corona Borealis Sequence
J2000.0
15 42 44.56 +26 17 44.3  (235.68567 +26.29564) Search nearby
B1950.0 15 40 38.53 +26 27 10.6
Proper motion
RA: -111.65 mas/yDec: 49.52 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 41.741 +51.924
Other names

(Internal only)
8 CrB ADS 9757 BD+26 2722
CSV 101523 GCRV 9071 HD 140436
HGAM 639 HIP 76952 HR 5849
IRAS 15406+262 PPM 104258 SAO 83958
TIC 255861229 WDS J15427+2618AB ZI 1151
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Variability type
ELL
Spectral type B9IV+A3V
Mag. range
3.805 - 3.822 V
Discoverer --
Epoch
25 Apr 2020 (HJD 2458964.508) Ephemeris
Outburst --
Period 0.889954 d  (21.3589 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Uncertain identification. Combined range given. Individual magnitudes V= 4.08 and V= 5.51.
2 GCVS Team ADS 9757 (4.2m, 5.6m; A = 0.74", P = 91.0a).
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References
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1 Ricker, G. R.; et al., 2014, Transiting Exoplanet Survey Satellite (TESS) 2014SPIE.9143E..20R
2 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
3 J.Mattei, E.Mayer, M.Baldwin, Sky and Tel 60, N4, 285, 1980. --
4 A.Baglin, M.Breger, C.Chevalier, B.Hauck, J.Le Contel, J.Sareyan,
J.Valtier, AsAp 23, 221, 1973.
1973A&A....23..221B
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 = 3.62H = 3.69K = 3.67J - K = -0.05
AllWISE W1 = 3.77W2 = 3.50W3 = 3.81W4 = 3.77W1 - W2 = 0.27W3 - W4 = 0.04
Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2024-06-26 20:47 UTC Phase plot with TESS data.
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Revision History
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3 Otero, Sebastian Alberto 2024-06-26 20:47 UTC Period and range derived from Hipparcos data. Type and epoch from TESS data. Spectral type from 1976AJ.....81..245E.
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.