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Latest Details
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Name
  NSVS 8503906  
AAVSO UID
000-BLV-812 (No observations)  
Constellation
Cygnus Sequence
J2000.0
20 25 37.69 +30 27 00.1  (306.40704 +30.45003) Search nearby
B1950.0 20 23 35.61 +30 17 08.6
Proper motion
RA: -8.4 +/- 3.7 mas/yDec: 4.1 +/- 6.7 mas/ySource: UCAC4
Galactic coord. 70.508 -4.326
Other names

(Internal only)
2MASS J20253768+3027000 ASASSN-V J202537.69+302659.7 IRAS 20235+3017
NSVS 8554312 UCAC4 603-112770  
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Variability type
SRB
Spectral type --
Mag. range
13.40 - 13.95 V
Discoverer Filipp Romanov
Epoch
06 May 2016 (HJD 2457515.00) Ephemeris
Outburst --
Period 47.32 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Romanov, Filipp Other period 70.51 days.
2 Romanov, Filipp J-K=1.49
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 C. S. Kochanek; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0		 2017arXiv170607060K
2 Wozniak, P.R.; et al., 2004, Northern Sky Variability Survey: Public Data
Release		 2004AJ....127.2436W
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 = 6.98H = 5.87K = 5.49J - K = 1.49
AllWISE W1 = 5.23W2 = 5.24W3 = 4.95W4 = 4.55W1 - W2 = -0.01W3 - W4 = 0.41
APASS-DR9 B = 16.05V = 13.40g' = 14.73r' = 12.60i' = 10.20B - V = 2.65
SDSS-DR12 u = 16.79g = 15.94r = 15.14i = 11.70z = 10.19u - g = 0.85r - i = 3.44
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 20 25 37.69 +30 27 00.1 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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3 ASAS-SN phase plot Romanov, Filipp 2017-07-22 01:04 UTC
2 Phase plot Romanov, Filipp 2016-01-27 01:30 UTC
1 JD light curve Romanov, Filipp 2016-01-26 23:01 UTC
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Romanov, Filipp 2019-02-09 17:22 UTC Gaia DR2 position.
2 Romanov, Filipp 2017-07-22 01:04 UTC Type, period, epoch and range from ASAS-SN data.
1 Romanov, Filipp 2016-01-27 01:48 UTC Initial submission.

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