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Details for Revision 2
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Name
  DU Vul  
AAVSO UID
000-BFP-788 (2 observations)  
Constellation
Vulpecula Sequence
J2000.0
20 30 41.76 +28 12 33.9  (307.67400 +28.20942) Search nearby
B1950.0 20 28 36.40 +28 02 25.0
Galactic coord. 69.314 -6.523
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J20304177+2812340 AKARI-IRC-V1 2030417+281233 ASAS J203042+2812.6
GSC2.3 N32Y109067 IRAS 20285+2802 NSVS 8560686
NSVS J2030417+281232 SON 4489 UCAC4 592-113352
USNO-B1.0 1182-0561242    
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Variability type
M
Spectral type --
Mag. range
13.7 - <17.0 p
Discoverer --
Epoch
18 Aug 1939 (HJD 2429494) Ephemeris
Outburst --
Period 276 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Ditkovsky, Alexandr J-K= 1.47. NSVS and ASAS-3 magnitudes contaminated by 2MASS J20304059+2812393 (V= 16.1; J-K= 0.99; sep. 16"), 2MASS J20304302+2812303 (V= 15.2; J-K= 0.52; sep. 17") and 2MASS J20304075+28121126 (V= 16.2; J-K= 0.82; sep. 25"). NSVS magnitudes also contaminated by 2MASS J20304144+2812053 (V= 16.5; J-K= 0.60; sep. 29"), 2MASS J20303893+2812336 (V= 16.0; J-K= 0.62; sep. 37"), 2MASS J20304296+2811574 (V= 16.3; J-K= 0.45; sep. 40"), 2MASS J20304328+2813172 (V= 16.6; J-K= 0.70; sep. 48") and 2MASS J20304494+2813030 (V= 16.3; J-K= 0.45; sep. 51"). Range has been corrected.
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 2004AJ....128.2965W
2 Northern Sky Variability Survey, Wozniak, P.R., et al., 2004 2004AJ....127.2436W
3 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
4 MVS N307, 1957. --
5 E.Ahnert-Rohlfs, VSS 2, N2, 1954. --
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Supporting Documents
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1 Phase plot Ditkovsky, Alexandr 2014-04-07 12:47 UTC
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Ditkovsky, Alexandr 2014-04-07 12:47 UTC Period, epoch and range from ASAS-3 and NSVS data.
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.