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Latest Details
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Log in to retrieve additional aliases from SIMBAD. |
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Name |
DF Vul |
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AAVSO UID |
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Constellation |
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J2000.0 |
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B1950.0 |
19 55 47.67 +22 32 48.7 |
Proper motion |
RA: -41.4 +/- 6.3 mas/y | Dec: -39.6 +/- 6.3 mas/y | Source: UCAC4 |
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Galactic coord. |
60.603 -3.390 |
Other names

(Internal only)
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2MASS J19575694+2240557 |
AN 149.1905 |
ASAS J195757+2240.8 |
ASASSN-V J195756.94+224055.1 |
NSVS 11284904 |
NSVS 8403575 |
(Not logged in) Add name
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Variability type |
M |
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Spectral type |
M8 |
Mag. range |
12.1 - <16.9 V |
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Discoverer |
-- |
Epoch |
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Outburst |
-- |
Period |
342 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 |
Otero, Sebastian Alberto
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VSP Note: 13.3 mag. star 11" to the SSW and 15.9 mag. star 17" to the SE. |
2 |
Otero, Sebastian Alberto
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NSVS and ASAS-3 magnitudes contaminated by GSC 02141-00800 (V= 13.33; sep. 11") and 2MASS J19575770+2240432 (V= 15.94; sep. 17"). NSVS magnitudes also contaminated by other nearby stars. Range has been corrected. |
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(Not logged in) Add remark
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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 |
Wozniak, P.R., et al., 2004, Northern Sky Variability Survey: Public Data Release |
2004AJ....127.2436W |
2 |
Pojmanski, G., 2002, The All Sky Automated Survey |
2002AcA....52..397P |
3 |
M.U.G.Wolf, AN 170, 361, 1906. |
1906AN....170..361W |
4 |
General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N. Kholopov et al. |
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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 = 6.12 | H = 5.08 | K = 4.51 | J - K = 1.60 |
AllWISE
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W1 = 4.60 | W2 = 3.92 | W3 = 3.43 | W4 = 2.84 | W1 - W2 = 0.68 | W3 - W4 = 0.58 |
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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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4 |
Otero, Sebastian Alberto
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2014-03-31 21:40 UTC |
Period, epoch and range from ASAS-3 and NSVS data. UCAC4 position. |
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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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