AAVSO Home



Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
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  
(Not logged in)  Add name
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.
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Wozniak, P. R.; et al., 2004, Northern Sky Variability Survey: Public Data
Release		 2004AJ....127.2436W
External Links
Links open in a new window. Not all links may be valid for this particular target.
Location    Go   
Select a Location for more details.
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.
Image not downloaded. Click Retrieve Image to download and view. Retrieve image
Supporting Documents
Click document name to open or save. Browser plug-in or other software may be required for viewing.
1 Phase Plot Sergey, Ivan 2017-03-08 16:32 UTC
(Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
1 Sergey, Ivan 2017-03-08 19:26 UTC Initial submission.

Guidelines    FAQ    Manual    Forum    Variability Types    Passbands    Copyright    Acknowledgments    Privacy    Contact    Help us   
The International Variable Star Index
© 2005-2025 American Association of Variable Star Observers (AAVSO)
Version 1.1 [C]
172.30.3.74