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Latest Details
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Name
  NSV 25182  
AAVSO UID
--  
Constellation
Cygnus Sequence
J2000.0
20 35 20.78 +34 00 45.9  (308.83658 +34.01275) Search nearby
B1950.0 20 33 22.19 +33 50 21.1
Proper motion
RA: -1.994 +/- 0.926 mas/yDec: -6.867 +/- 0.862 mas/ySource: Gaia DR1
Galactic coord. 74.609 -3.903
Other names

(Internal only)
2MASS J20352078+3400459 ALS 11445 BD+33 3960
EM* VES 229 GSC 02694-00173 HBHA 3204-06
LS II +33 34 NSVS 8517198 TYC 2694-173-1
[KW97] 48-6    
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Variability type
PULS:+GCAS:
Spectral type B1III/IVne
Mag. range
10.01 - 10.51 V
Discoverer --
Epoch
10 Jul 2018 (HJD 2458309.939) Ephemeris
Outburst --
Period 6.6436 d
Rise/eclipse dur. 50%  (80 h)
Remarks
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1 Otero, Sebastian Alberto Periodic variability with amplitude 0.09 mag. (V= 10.42-10.51). Also a secondary period of 7.0415 d. GCPD measures between V= 10.01 and 10.37 also suggest GCAS variability.
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References
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1 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
2 Wozniak, P. R.; et al., 2004, Northern Sky Variability Survey: Public Data
Release
2004AJ....127.2436W
3 D.G.Turner, AJ 88, No.5, 650, 1983. 1983AJ.....88..650T
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 = 8.86H = 8.66K = 8.57J - K = 0.28
AllWISE W1 = 8.52W2 = 8.50W3 = 8.46W4 = 8.33W1 - W2 = 0.02W3 - W4 = 0.13
APASS-DR9 B = 11.46V = 10.46g' = 10.95r' = 10.22i' = 9.95B - V = 0.99
Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2020-06-03 19:13 UTC Phase plot with ASAS-SN and NSVS data.
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Revision History
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2 Otero, Sebastian Alberto 2020-06-03 19:13 UTC Type, period, epoch and rise duration from ASAS-SN and NSVS data. Minimum magnitude from ASAS-SN data. Maximum magnitude from GCPD data. Gaia DR2 position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.