AAVSO Home



Current Time: 02 Apr 2025 15:48:48 UTC
Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  V2031 Cyg  
AAVSO UID
000-BDP-761 (10 observations)  
Constellation
Cygnus Sequence
J2000.0
20 23 51.01 +38 29 34.3  (305.96254 +38.49286) Search nearby
B1950.0 20 22 00.35 +38 19 49.5
Proper motion
RA: -12.338 +/- 0.059 mas/yDec: -11.117 +/- 0.064 mas/ySource: Gaia DR1
Galactic coord. 76.881 +0.601
Other names

(Internal only)
1SWASP J202351.00+382934.2 BD+38 4063 Cl* NGC 6913 HOAG 1
Cl* NGC 6913 KJ 125 Cl* NGC 6913 SAND 135 Cl* NGC 6913 TIF 10
Cl* NGC 6913 ZUG 2 GSC 03152-00040 HD 194378
HIP 100586 IOMC 3152000083 NGC 6913 10
PPM 84861 SAO 69957 TYC 3152-40-1
WDS J20238+3830A    
(Not logged in)  Add name
Variability type
EA
Spectral type F0III
Mag. range
8.57 - 8.68 V
Discoverer --
Epoch
13 Aug 1998 (HJD 2451038.638) Ephemeris
Outburst --
Period 2.704666 d
Rise/eclipse dur. 10%  (6.49 h)
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Otero, Sebastian Alberto Total primary eclipse. Min II= 8.61 V.
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
2 Butters, O. W.; et al., 2010, The first WASP public data release 2010A&A...520L..10B
3 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
4 S.-L.Kim, S.-W.Lee, IBVS N4331, 1996. 1996IBVS.4331....1K
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 = 7.74H = 7.57K = 7.53J - K = 0.21
AllWISE W1 = 7.39W2 = 7.47W3 = 7.52W4 = 7.99W1 - W2 = -0.08W3 - W4 = -0.47
APASS-DR9 B = 9.02V = 8.58g' = 9.37r' = 8.51i' = 8.43B - V = 0.44
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 Otero, Sebastian Alberto 2015-12-04 00:39 UTC Phase plot with HIPPARCOS and SuperWASP data.
(Not logged in)  Add document
Stellar Association Membership
 NGC 6913 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2015-12-04 00:39 UTC Period, eclipse duration and range from HIPPARCOS and SuperWASP data.
3 Huziak, Richard 2010-09-29 02:57 UTC Add spectrum from Boeche et al. 2004A&A...415..145B and period & epoch from Boeche et al. IBVS 5237.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.