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Name
  HD 37372  
AAVSO UID
--  
Constellation
Orion Sequence
J2000.0
05 37 49.38 -06 28 36.5  (84.45575 -6.47681) Search nearby
B1950.0 05 35 23.22 -06 30 18.6
Galactic coord. 210.342 -19.306
Other names

(Internal only)
2MASS J05374937-0628365 3XMM J053749.3-062833 4XMM J053749.3-062834
ASAS J053749-0628.6 BD-06 1265 GSC 04779-00370
Gaia DR3 3016956659900090368 PPM 188278 Parenago 2604
SOXS 605 TIC 332856337 TYC 4779-370-1
UCAC4 418-010266 WH 387  
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Variability type
SPBGDOR
Spectral type A1Va-
Mag. range
9.51 V (0.004)TESS
Discoverer Sebastián Otero
Epoch
11 Dec 2020 (HJD 2459194.752) Ephemeris
Outburst --
Period 1.4761 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Optical binary. Uncertain identification. Combined magnitude given in the table. A= 9.8V; B= 11.1V (sep. 3.7"). Different spectral types in the literature make the classification ambiguous. For the bright component, B8/9IV/V in 1999MSS...C05....0H suggests SPB, but it is also A1Va- in 1993AJ....106..632G and A8V in 1972ApJ...175..765S, and the latter might fit a GDOR type. If the variable is the fainter object, it has a spectral type F in 2023A&A...674A..26C that also fits a GDOR classification. Coordinates and names in the table are those of the bright star.
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References
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1 Creevey, O. L.; et al., 2023, Gaia Data Release 3: Astrophysical parameters
inference system (Apsis) I -- methods and content overview
2023A&A...674A..26C
2 Houk, N.; Swift, C., 1999, Michigan catalogue of two-dimensional spectral
types for the HD Stars, Vol. 5
1999MSS...C05....0H
3 Gray, R. O.; Corbally, C. J., 1993, A Search for Lambda Bootis Stars in OB
Associations
1993AJ....106..632G
4 Smith, M. A., 1972, Metallicism in Border Regions of the AM Domain. I.
Extremely Young AM Stars in the Orion 1c Association
1972ApJ...175..765S
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Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2026-01-13 02:37 UTC Phase plot with TESS data.
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Revision History
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1 Otero, Sebastian Alberto 2026-01-13 02:47 UTC Initial submission.