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Latest Details
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Log in to retrieve additional aliases from SIMBAD. |
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| Name |
U Boo |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
14 52 00.98 +17 53 53.3 |
| Proper motion |
| RA: -9.742 +/- 2.378 mas/y | Dec: -2.888 +/- 1.733 mas/y | Source: Gaia DR1 |
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| Galactic coord. |
20.993 +60.166 |
Other names
(Internal only)
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| Variability type |
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SRB |
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| Spectral type |
M4e |
| Mag. range |
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9.8 - 13 V |
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| Discoverer |
Joseph Baxendell (1880) |
| Epoch |
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| Outburst |
-- |
| Period |
201.3 d |
| Rise/eclipse dur. |
50% (100.650000000000 d) |
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Remarks
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Some references may be clicked to view in new window. Roll over index number to view submission details.
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1 |
GCVS Team |
Delta(m) var (from 0.9m to 2.4m). |
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(Not logged in) Add remark
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References
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Click reference title/citation to view in new window. Roll over index number to view submission details.
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1 |
P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 |
2004AJ....128.2965W |
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2 |
G.Pojmanski, Acta Astronomica 52, 397, 2002. |
2002AcA....52..397P |
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3 |
JBAA 82, 464, 1972. |
-- |
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4 |
Catalogue of Stellar Spectral Classifications (Skiff, 2005) |
1966ApJS...13..333K |
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5 |
Cannon, A. J., 1907, Second catalogue of variable stars |
1907AnHar..55....1C |
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External Links
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Location
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Catalog Data
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Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
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2MASS
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J = 6.64 | H = 5.84 | K = 5.48 | J - K = 1.16 |
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AllWISE
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W1 = 4.96 | W2 = 4.55 | W3 = 4.13 | W4 = 3.60 | W1 - W2 = 0.41 | W3 - W4 = 0.53 |
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APASS-DR9
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B = 12.34 | V = 10.66 | g' = 11.88 | r' = 10.41 | B - V = 1.67 |
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GALEX-DR5
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NUV = 22.48 |
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SDSS-DR12
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u = 15.80 | g = 15.64 | r = 11.31 | i = 9.57 | z = 9.39 | u - g = 0.17 | r - i = 1.74 |
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Images
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Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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There are currently no supporting documents on file for this star.
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Campaigns/Programs
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LPV Program
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Revision History
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Currently approved revision is checked. Click revision number to view details of that revision.
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