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Details for Revision 5
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Name
  eta Aur  
AAVSO UID
000-BFS-941 (93 observations)  
Constellation
Auriga Sequence
J2000.0
05 06 30.89 +41 14 04.1  (76.62871 +41.23447) Search nearby
B1950.0 05 03 00.36 +41 10 04.9
Galactic coord. 165.354 +0.272
Other names

(Internal only)
10 Aur AAVSO 0459+41 ASASSN-V J050630.89+411403.0
BD+41 1058 CSV 100441 GSC 02899-02237
HD 32630 HIP 23767 HR 1641
IRAS 05029+4110 LS V+41 027 NSV 1822
PPM 047723 SAO 40026 Zinn 0340
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Variability type
ELL:
Spectral type B3V
Mag. range
3.164 - 3.180 V
Discoverer --
Epoch
21 Apr 1990 (HJD 2448002.64) Ephemeris
Outburst --
Period 2.5617 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Other period 2.2724 d.
2 GCVS Team Var? [G.Larsson-Leander, Stockh Medd No.112, 1959., M.G.Fracastoro, S.Catalano, Mem SAIt 36, f. 1, 1965., T.Widorn, Wien Mitt 10, No.2, 1959., G.Jackisch, MVS 2, H. 1, 11, 1963.]; Vr var.
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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 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
3 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
4 P.Guthnick, F.Pavel, AN 215, 396, 1922. 1922AN....215..395G
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Supporting Documents
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2 Corrected phase plot Otero, Sebastian Alberto 2025-12-19 19:30 UTC Phase plot with TESS data.
1 Phase plot Otero, Sebastian Alberto 2017-08-04 04:11 UTC Phase plot with HIPPARCOS data.
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
6 Otero, Sebastian Alberto 2025-12-19 19:30 UTC Type, period and epoch from TESS data. Range from the GCPD.
5 Otero, Sebastian Alberto 2020-11-04 01:26 UTC Primary name changed.
4 Otero, Sebastian Alberto 2017-08-04 04:11 UTC Type, period, epoch, range and position from HIPPARCOS data.
3 Admin, VSX 2013-05-03 23:14 UTC Update from [2002MNRAS.331...45K].
2 Admin, VSX 2010-01-18 23:18 UTC Position updated to NSV version of June 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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