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Latest Details
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Name
  ASAS J202046+2831.4  
AAVSO UID
000-BML-380 (17 observations)  
Constellation
Vulpecula Sequence
J2000.0
20 20 46.20 +28 31 21.9  (305.19250 +28.52275) Search nearby
B1950.0 20 18 42.20 +28 21 48.9
Proper motion
RA: -13.364 +/- 0.549 mas/yDec: -18.977 +/- 0.568 mas/ySource: Gaia DR1
Galactic coord. 68.315 -4.554
Other names

(Internal only)
2MASS J20204620+2831218 ASAS 202046+2831.4 ASASSN-V J202046.14+283122.0
BD+28 3712 GSC 02167-01134 HD 334218
NSVS 8547416 PPM 110939 SAO 88551
TYC 2167-1134-1 UCAC4 593-114655  
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Variability type
EA
Spectral type A8
Mag. range
9.07 - 9.32 V
Discoverer --
Epoch
21 May 2004 (HJD 2453146.852) Ephemeris
Outburst --
Period 2.59047 d
Rise/eclipse dur. 12%  (7.5 h)
Remarks
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References
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1 Wozniak, P. R.; et al., 2004, Northern Sky Variability Survey: Public Data
Release		 2004AJ....127.2436W
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 Nesterov, V. V. et al., 1995, The Henry Draper Extension Charts 1995A&AS..110..367N
External Links
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Location    Go   
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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 = 8.43H = 8.33K = 8.27J - K = 0.17
AllWISE W1 = 8.25W2 = 8.29W3 = 8.32W4 = 8.85W1 - W2 = -0.03W3 - W4 = -0.53
Images
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Size 5' x 5' (297 x 298 pixels)
Center 20 20 46.20 +28 31 21.9 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2017-10-10 00:42 UTC Phase plot with ASAS-3 and NSVS data.
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Revision History
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3 Otero, Sebastian Alberto 2017-10-10 00:38 UTC Type, period, epoch, eclipse duration and range from ASAS-3 and NSVS data. Spectral type from 1995A&AS..110..367N.
2 Zalezsak, Tamas 2015-07-02 02:06 UTC UCAC4 position.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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