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Latest Details
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Name
  T Dra  
AAVSO UID
000-BBZ-762 (14313 observations)  
Constellation
Draco Sequence
J2000.0
17 56 23.33 +58 13 06.8  (269.09720 +58.21855) Search nearby
B1950.0 17 55 37.62 +58 13 24.6
Proper motion
RA: -28.29 +/- 10.27 mas/yDec: -7.14 +/- 10.00 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 86.750 +29.942
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1754+58A ADS 10937 A ASASSN-V J175623.30+581306.8
BD+58 1772 CGCS 3921 HIP 87820
IRC +60255 NSVS J1756230+581305 RAFGL 2040
ZTF J175623.32+581307.4    
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Variability type
M
Spectral type C6,2e-C8,3e(N0e)
Mag. range
7.2 - 13.5 V
Discoverer Thomas Espin (1894)
Epoch
27 Jul 2010 (HJD 2455405.0) Ephemeris
Outburst --
Period 422.2 d
Rise/eclipse dur. 44%  (186 d)
Remarks
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1 Otero, Sebastian Alberto VSP Note: The probably constant 11.0 Vmag. star UY Dra is 17" to the SSW.
2 GCVS Team ADS 10937 A (B = UY Dra, optical, 16", 222deg).
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References
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1 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
2 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars
2020arXiv200508662C
3 P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 2004AJ....128.2965W
4 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
5 T. Karlsson, Maxima of Mira stars --
6 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
External Links
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Location    Go   
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 4.06H = 2.45K = 1.36J - K = 2.70
AllWISE W3 = -1.22W4 = -2.01W3 - W4 = 0.79
GALEX-DR5 NUV = 20.12
SDSS-DR12 u = 14.91g = 15.81r = 10.52i = 10.16z = 9.72u - g = -0.90r - i = 0.35
Images
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Supporting Documents
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Campaigns/Programs
 LPV Program
 Percy's Unusual LPVs
Revision History
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5 Fernig, Leo 2022-04-22 13:34 UTC Discoverer updated from 1907AnHar..55....1C page 22
4 Otero, Sebastian Alberto 2021-10-25 22:53 UTC ZTF name from 2020arXiv200508662C added. Gaia EDR3 position.
3 Otero, Sebastian Alberto 2014-03-11 08:09 UTC Period and epoch from AAVSO 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.