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Latest Details
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| Name |
X Dra |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
18 06 49.59 +66 08 49.0 |
| Proper motion |
| RA: -0.4 +/- 4.9 mas/y | Dec: 12.8 +/- 4.8 mas/y | Source: UCAC4 |
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| Galactic coord. |
95.931 +29.117 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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2MASS J18065223+6609196 |
AAVSO 1806+66 |
AN 7.1902 |
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ASASSN-V J180652.26+660919.4 |
BD+66 1078 |
GSC 04213-00448 |
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IOMC 4213000050 |
IRAS 18068+6608 |
NSVS J1806543+660935 |
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TYC 4213-448-1 |
ZTF J180652.22+660919.8 |
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| Variability type |
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M |
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| Spectral type |
M5e |
| Mag. range |
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10.2 - 16.4 V |
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| Discoverer |
Greenwich (1902) |
| Epoch |
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| Outburst |
-- |
| Period |
257.7 d |
| Rise/eclipse dur. |
44% (113 d) |
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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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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 |
ZTF Catalog of Periodic Variable Stars (online data) |
2020arXiv200508662C |
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2 |
Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars |
2020arXiv200508662C |
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3 |
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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4 |
Williams S.J., Wozniak P.R., Vestrand W.T., Gupta V., 2004, Unspecified
slow variables |
-- |
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5 |
Cannon, A. J., 1907, Second catalogue of variable stars |
1907AnHar..55....1C |
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6 |
T. Karlsson, Maxima of Mira stars |
-- |
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7 |
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 = 6.71 | H = 5.90 | K = 5.45 | J - K = 1.26 |
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AllWISE
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W1 = 4.79 | W2 = 4.22 | W3 = 3.67 | W4 = 3.13 | W1 - W2 = 0.57 | W3 - W4 = 0.54 |
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APASS-DR9
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B = 14.40 | V = 12.84 | g' = 13.90 | r' = 11.99 | i' = 10.42 | B - V = 1.57 |
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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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Campaigns/Programs
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LPV Program
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LPV Double Trouble Campaign
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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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