Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
  V2647 Cyg  
000-BJX-184 (No observations)  
Cygnus Sequence
21 47 03.30 +50 03 17.8  (326.76375 +50.05494) Search nearby
B1950.0 21 45 13.36 +49 49 21.6
Proper motion
RA: 6.118 +/- 2.683 mas/yDec: 2.559 +/- 2.101 mas/ySource: Gaia DR1
Galactic coord. 95.344 -2.675
Other names

(Internal only)
1SWASP J214703.29+500317.8 2MASS J21470330+5003177 GSC 03612-01565
TYC 3612-1565-1 USNO-A2.0 1350-14941873  
(Not logged in)  Add name
Variability type
Spectral type F5/8V
Mag. range
11.03 - 11.79 V
Discoverer --
08 Jan 2018 (HJD 2458127.1346) Ephemeris
Outburst --
Period 3.9035242 d
Rise/eclipse dur. 6%  (5.621 h)
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Otero, Sebastian Alberto Min II= 11.51 V. ASAS-SN magnitudes partially contaminated by 2MASS J21470255+5003238 (V= 13.8; sep. 10"). Range has been corrected.
2 Wils, Patrick Not an eccentric orbit. Min II = 11.5.
(Not logged in)  Add remark
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Kozyreva, V. S.; Kusakin, A. V.; Bogomazov, A. I.; et al., 2019, IBVS #6269 2019IBVS.6269....1K
2 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
3 Bob Nelson's O-C files, 2016 --
4 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2013, IBVS 6052
5 A.J. Norton et al., 2007, A&A 467, 785 (SuperWASP data) 2007A&A...467..785N
6 Otero, S., Wils, P., Hoogeveen, G., and Dubovsky, P. 2006, IBVS, No. 5681 2006IBVS.5681....1O
7 S.A.Otero, P.Wils, G.Hoogeveen, P.A.Dubovsky, IBVS N5681, 2006. 2006IBVS.5681....1O
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 = 10.06H = 9.88K = 9.81J - K = 0.25
AllWISE W1 = 9.77W2 = 9.82W3 = 9.74W4 = 8.81W1 - W2 = -0.05W3 - W4 = 0.93
APASS-DR9 B = 11.58V = 11.03g' = 11.31r' = 10.95i' = 10.84B - V = 0.55
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 Wils, Patrick 2010-10-27 22:22 UTC Light curve based on SuperWASP (5-point averages) and NSVS data.
(Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2020-03-24 20:23 UTC Period, epoch and spectral type from 2019IBVS.6269....1K. Range from ASAS-SN data.
3 Admin, VSX 2013-04-15 20:55 UTC Update from [2013IBVS.6052....1K].
2 Wils, Patrick 2010-10-27 22:22 UTC Updated period based on SuperWASP data. The epoch and period also fit the two minima given in OEJV #74: HJD 2453817.64371 (primary minimum) and 2453905.47340 (secondary).
1 Admin, VSX 2007-03-23 15:54 UTC Preserved original object data.