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Latest Details
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| Name |
NSV 25977 |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
22 53 48.89 +59 44 32.6 |
| Proper motion |
| RA: 5.288 +/- 0.059 mas/y | Dec: -2.686 +/- 0.054 mas/y | Source: Gaia DR1 |
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| Galactic coord. |
108.953 +0.313 |
Other names
(Internal only)
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BD+59 2602 |
HD 240121 |
HIP 113233 |
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Renson 59870 |
SAO 34961 |
TYC 4278-969-1 |
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| Variability type |
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ACV |
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| Spectral type |
B9pSi |
| Mag. range |
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9.63 (0.04) V |
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| Discoverer |
-- |
| Epoch |
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| Outburst |
-- |
| Period |
2.0232 d |
| Rise/eclipse dur. |
-- |
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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 |
Hümmerich, Stefan
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Anti-phase variations of the B and V light curves, which results in peculiar (B-V) index variations. Amplitude in B = 0.08 mag. |
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2 |
GCVS Team |
Preliminary P = 2.025d [R.Groebel, BAV-R 41, Nr.1, 19, 1992.]. B-V = 0.14 - 0.28 [K.Saerg, S.Wramdemark, AsAp Suppl 2, No.3, 251, 1970.]. Named No.104 = BD+59 2604, but the chart in [K.Saerg, S.Wramdemark, AsAp Suppl 2, No.3, 251, 1970.] corresponds to BD+59 2602. |
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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 |
Gröbel, R.; Hümmerich, S.; Paunzen, E.; Bernhard, K., 2017, HD 240121 - An
ACV variable showing anti-phase variations of the B and V light curves |
2017NewA...50..104G |
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2 |
Renson, P.; Manfroid, J., 2009, Catalogue of Ap, HgMn and Am stars |
2009A&A...498..961R |
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R.Groebel, IAPPP Comm No.49, 25, 1992. |
1992IAPPP..49...25G |
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K.Saerg, S.Wramdemark, AsAp Suppl 2, No.3, 251, 1970. |
1970A&AS....2..251S |
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Catalogue of Stellar Spectral Classifications (Skiff, 2005) |
1928AnHar.100...49C |
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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 = 9.23 | H = 9.21 | K = 9.17 | J - K = 0.06 |
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AllWISE
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W1 = 9.17 | W2 = 9.21 | W3 = 9.28 | W1 - W2 = -0.04 |
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APASS-DR9
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g' = 10.10 |
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SDSS-DR12
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u = 10.53 | g = 13.45 | r = 13.15 | i = 8.87 | z = 12.63 | u - g = -2.92 | r - i = 4.29 |
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Images
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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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3 |
Hümmerich, Stefan
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2016-09-13 00:30 UTC |
Type, period, epoch and amplitude from 2017NewA...50...104G. Spectral type from 2009A&A...498..961R. V magnitude derived from Hipparcos and BSM data for the comparison star. Hipparcos position. |
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2 |
Admin, VSX
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2007-04-04 09:55 UTC |
Position and spectral type from Brian Skiff's MKTypes.dat [http://vizier.u-strasbg.fr/viz-bin/Cat?III/233B]. |
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1 |
Admin, VSX
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2005-12-18 01:33 UTC |
Initial database population. |
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