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Name
  VSX J092102.5+490554  
AAVSO UID
--  
Constellation
Ursa Major Sequence
J2000.0
09 21 02.52 +49 05 54.0  (140.26048 +49.09832) Search nearby
B1950.0 09 17 38.86 +49 18 39.9
Galactic coord. 169.563 +44.314
Other names

(Internal only)
1SWASP J092102.51+490553.9 2MASS J09210251+4905538 AG+49 862
BD+49 1832 GSC 03428-01497 Gaia DR3 1012110078390878592
PPM 51187 SAO 42815 TYC 3428-1497-1
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Variability type
SXPHE
Spectral type A2
Mag. range
9.31 V (0.176)clear
Discoverer A. Bacelj, E. Sulc, J. Bacelj, A. Gruic-Jukic, I. Kurecic, P. Gljuscic, M. Barac, S. Pozezanac, I. Pestaj, M. Tumpic, G.Srdoc
Epoch
04 Feb 2008 (HJD 2454501.44897) Ephemeris
Outburst --
Period 0.0743 d  (107.0 min)
Rise/eclipse dur. 40%  (43 min)
Remarks
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References
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1 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 1
Main source
2022yCat.1355....0G
2 Kazarovets, E.V.; Samus, N.N.; Durlevich, O.V. et al., 2019, The 82nd
Name-List of Variable Stars. Part I - RA 0hr to 18hr, Novae and
Globular-cluster Variables
2019IBVS.6261....1K
3 P. Wils, K. Panagiotopoulos, J. Van Wassenhove et al., 2012, IBVS 6015 2012IBVS.6015....1W
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Supporting Documents
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2 light curve Srdoc, Gregor 2010-08-10 23:08 UTC Light curve of HD 80366 (red) and check star SAO 42805 (black)
1 phase plot Srdoc, Gregor 2010-08-10 23:08 UTC phase plot made from 4991 data points taken by SuperWASP North
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2025-03-06 02:54 UTC Period and epoch from AAVSO data. Range derived from Gaia DR3 and AAVSO data. Gaia DR3 position.
3 Admin, VSX 2019-04-04 01:06 UTC Name from [2019IBVS.6261....1K].
2 Admin, VSX 2012-03-04 03:52 UTC Update from [2012IBVS6015....1W].
1 Srdoc, Gregor 2010-08-11 01:30 UTC Initial submission.