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Latest Details
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Log in to retrieve additional aliases from SIMBAD. |
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| Name |
DU Vul |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
20 28 36.38 +28 02 24.8 |
| Proper motion |
| RA: 6.7 +/- 3.3 mas/y | Dec: 3.0 +/- 3.3 mas/y | Source: UCAC4 |
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| Galactic coord. |
69.314 -6.523 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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2MASS J20304177+2812340 |
AKARI-IRC-V1 2030417+281233 |
ASAS J203042+2812.6 |
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ASASSN-V J203041.79+281234.2 |
GSC2.3 N32Y109067 |
IRAS 20285+2802 |
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NSVS 8560686 |
NSVS J2030417+281232 |
SON 4489 |
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UCAC4 592-113352 |
USNO-B1.0 1182-0561242 |
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| Variability type |
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M |
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| Spectral type |
-- |
| Mag. range |
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12.9 - <16.9 V |
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| Discoverer |
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| Epoch |
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| Outburst |
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| Period |
274 d |
| Rise/eclipse dur. |
-- |
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Remarks
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Some references may be clicked to view in new window. Roll over index number to view submission details.
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1 |
Ditkovsky, Alexandr
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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
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Click reference title/citation to view in new window. Roll over index number to view submission details.
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1 |
P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 |
2004AJ....128.2965W |
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2 |
Northern Sky Variability Survey, Wozniak, P.R., et al., 2004 |
2004AJ....127.2436W |
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3 |
Pojmanski, G., 2002, The All Sky Automated Survey |
2002AcA....52..397P |
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4 |
MVS N307, 1957. |
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5 |
E.Ahnert-Rohlfs, VSS 2, N2, 1954. |
-- |
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External Links
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Location
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Catalog Data
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Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
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2MASS
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J = 8.15 | H = 7.26 | K = 6.68 | J - K = 1.47 |
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AllWISE
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W1 = 6.13 | W2 = 5.59 | W3 = 5.21 | W4 = 4.72 | W1 - W2 = 0.54 | W3 - W4 = 0.49 |
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APASS-DR9
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V = 12.72 | r' = 11.95 | i' = 11.01 |
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Images
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Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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Revision History
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Currently approved revision is checked. Click revision number to view details of that revision.
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3 |
Ditkovsky, Alexandr
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2014-04-07 12:47 UTC |
Period, epoch and range from ASAS-3 and NSVS data. |
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2 |
Admin, VSX
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2010-01-05 04:43 UTC |
Position updated from the GCVS version of November 2009. |
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1 |
Admin, VSX
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2005-12-18 01:33 UTC |
Initial upload. |
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