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Latest Details
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Name
  ASAS J063940+0628.0  
AAVSO UID
000-BQC-272 (196 observations)  
Constellation
Monoceros Sequence
J2000.0
06 39 39.62 +06 28 00.7  (99.91508 +6.46686) Search nearby
B1950.0 06 36 58.37 +06 30 47.1
Proper motion
RA: 9.267 +/- 1.681 mas/yDec: 8.580 +/- 1.435 mas/ySource: Gaia DR1
Galactic coord. 205.837 +0.340
Other names

(Internal only)
2MASS J06393962+0628007 2RXS J063938.3+062749 ASAS 063940+0628.0
ASASSN-V J063939.55+062801.0 GSC 00159-02105 Gaia DR3 3133409990851550592
TIC 220274029 TYC 159-2105-1 UCAC4 483-025350
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Variability type
EW/RS
Spectral type G
Mag. range
11.12 - 11.32 V
Discoverer ASAS
Epoch
19 Dec 2020 (HJD 2459202.65) Ephemeris
Outburst --
Period 0.3284606 d  (7.88305 h)
Rise/eclipse dur. --
Remarks
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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 Ricker, G. R.; et al., 2014, Transiting Exoplanet Survey Satellite (TESS) 2014SPIE.9143E..20R
3 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
External Links
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 10.21H = 9.88K = 9.79J - K = 0.42
AllWISE W1 = 9.72W2 = 9.75W3 = 9.64W1 - W2 = -0.03
APASS-DR9 B = 11.77V = 11.20g' = 11.44r' = 11.06i' = 10.93B - V = 0.57
Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2025-01-28 15:56 UTC Phase plot with TESS data.
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Revision History
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3 Otero, Sebastian Alberto 2025-01-28 15:56 UTC Type, period, epoch and range from ASAS-3 and TESS data. Spectral type from 2023A&A...674A..26C.
2 Zalezsak, Tamas 2015-07-02 00:44 UTC UCAC4 position.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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