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Latest Details
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Log in to retrieve additional aliases from SIMBAD. |
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| Name |
DF Cyg |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
19 47 15.70 +42 54 39.3 |
| Proper motion |
| RA: -5.594 +/- 1.356 mas/y | Dec: -1.547 +/- 1.190 mas/y | Source: Gaia DR1 |
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| Galactic coord. |
77.195 +8.616 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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2MASS J19485394+4302145 |
AAVSO 1945+42 |
ASAS J194854+4302.2 |
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ASASSN-V J194853.94+430214.5 |
GSC 03144-00794 |
HV 4002 |
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IOMC 3144000052 |
IRAS 19472+4254 |
KID 7466053 |
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NSVS 5692115 |
TYC 3144-794-1 |
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(Not logged in) Add name
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| Variability type |
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RVB |
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| Spectral type |
G0-K5I |
| Mag. range |
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10.12 - 13.88 V |
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| Discoverer |
-- |
| Epoch |
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| Outburst |
-- |
| Period |
50.08 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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J-K= 1.10. |
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2 |
GCVS Team |
P var [G.T.Koval', Odessa Izv. 3, 313, 1953., G.E.Erleksova, Perem. Zvezdy 18, 53, 1971.]. Mean brightness varies: Min = 2411292 + 780.2d*E [V.P.Zessewitsch, Odessa Izv. 3, 293, 1953.]. |
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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 |
J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info) |
2012arXiv1210.0821A |
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2 |
A. Pigulski, G. Pojmanski, B. Pilecki, D. Szczygiel, 2008,
arXiv:0808.2558v2 [astro-ph] |
2008arXiv0808.2558P |
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3 |
A. Pigulski, G. Pojmanski, B. Pilecki, D. Szczygiel, 2008,
arXiv:0808.2558v2 (online data) |
2008arXiv0808.2558P |
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4 |
Northern Sky Variability Survey, Wozniak, P.R., et al., 2004 |
2004AJ....127.2436W |
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5 |
S.Gaposchkin, HA 108, N1, 1939. |
1939AnHar.108....1G |
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6 |
M.Harwood, HA105, 521, 1937. |
1937AnHar.105..521H |
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External Links
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Links open in a new window. Not all links may be valid for this particular target.
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Location
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Select a Location for more details.
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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 = 11.01 | H = 10.07 | K = 8.91 | J - K = 2.10 |
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AllWISE
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W1 = 6.52 | W2 = 5.51 | W3 = 3.64 | W4 = 2.63 | W1 - W2 = 1.01 | W3 - W4 = 1.01 |
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APASS-DR9
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B = 12.76 | V = 11.29 | g' = 11.97 | r' = 10.77 | i' = 10.42 | B - V = 1.47 |
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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 |
Otero, Sebastian Alberto
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2012-07-25 01:54 UTC |
Period, epoch and range from AAVSO, NSVS and ASAS-3 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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