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Latest Details
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Log in to retrieve additional aliases from SIMBAD. |
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| Name |
BK Lac |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
22 00 17.36 +43 20 13.6 |
| Proper motion |
| RA: -1.4 +/- 1.9 mas/y | Dec: -0.2 +/- 2.0 mas/y | Source: UCAC4 |
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| Galactic coord. |
93.334 -9.364 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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AAVSO 2158+43 |
AN 362.1929 |
ASASSN-V J220219.64+433444.2 |
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NSVS J2202198+433445 |
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(Not logged in) Add name
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| Variability type |
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SRA |
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| Spectral type |
C6-,3(R) |
| Mag. range |
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13.8 - 14.9 p |
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| Discoverer |
-- |
| Epoch |
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| Outburst |
-- |
| Period |
295.8 d |
| Rise/eclipse dur. |
-- |
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Remarks
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There are currently no remarks on file for this star.
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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 |
Catalogue of Stellar Spectral Classifications (Skiff, 2005) |
1976AJ.....81..364D |
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3 |
N.E.Kurochkin, Letter, 1956. |
-- |
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4 |
C.Hoffmeister, Sonn Mitt N17, 1930. |
1930MiSon..17....1H |
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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 = 6.67 | H = 5.43 | K = 4.84 | J - K = 1.83 |
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AllWISE
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W1 = 4.42 | W2 = 4.20 | W3 = 4.00 | W4 = 3.84 | W1 - W2 = 0.22 | W3 - W4 = 0.17 |
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APASS-DR9
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B = 14.74 | V = 11.55 | g' = 12.82 | r' = 10.32 | B - V = 3.19 |
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SDSS-DR12
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u = 16.29 | g = 15.56 | r = 10.49 | i = 9.31 | z = 8.85 | u - g = 0.73 | r - i = 1.18 |
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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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Revision History
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Currently approved revision is checked. Click revision number to view details of that revision.
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2 |
Admin, VSX
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2010-01-05 04:43 UTC |
Position updated from the GCVS version of November 2009. |
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1 |
Admin, VSX
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2005-12-18 01:33 UTC |
Initial upload. |
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