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Name
  NSVS 3409930  
AAVSO UID
000-BMF-771 (No observations)  
Constellation
Cepheus Sequence
J2000.0
21 40 55.04 +56 42 20.1  (325.22933 +56.70558) Search nearby
B1950.0 21 39 19.37 +56 28 39.0
Proper motion
RA: 1.1 +/- 4.4 mas/yDec: -3.7 +/- 4.2 mas/ySource: UCAC4
Galactic coord. 98.971 +2.975
Other names

(Internal only)
2MASS J21405502+5642201 ASASSN-V J214055.04+564220.1 MSX6C G098.9709+02.9752
NSVS 3293937 UCAC4 734-076155 URAT1 734-366966
USNO-B1.0 1467-0394813 WISE J214055.04+564220.1  
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Variability type
SR
Spectral type --
Mag. range
13.2 - 14.0 R1
Discoverer Ivan Sergey
Epoch
03 Oct 1999 (HJD 2451455) Ephemeris
Outburst --
Period 71 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Sergey, Ivan J-K= 1.68. NSVS magnitudes contaminated by UCAC4 734-076149 (V= 15.5; sep. 35"), UCAC4 734-076171 (V= 15.2; sep. 38") and UCAC4 734-076140 (V= 15.4; sep. 45"). Range has been corrected.
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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
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 = 8.04H = 6.87K = 6.36J - K = 1.67
AllWISE W1 = 6.21W2 = 6.13W3 = 5.70W4 = 5.16W1 - W2 = 0.07W3 - W4 = 0.54
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 21 40 55.04 +56 42 20.1 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 Phase Plot Sergey, Ivan 2017-03-08 16:32 UTC
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Revision History
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1 Sergey, Ivan 2017-03-08 19:26 UTC Initial submission.

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