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Name
W Dra
AAVSO UID
Constellation
J2000.0
B1950.0
18 05 30.60 +65 56 56.6
Proper motion
RA: 0.9 +/- 2.0 mas/y Dec: 15.3 +/- 0.6 mas/y Source: UCAC4
Galactic coord.
95.698 +29.242
Other names(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1805+65
AN 6.1902
ASASSN-V J180534.65+655721.1
BD+65 1241
HD 166407
IOMC 4213000049
NSVS J1805350+655724
ZTF J180534.62+655721.9
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Variability type
M
Spectral type
M3e-M4e
Mag. range
8.9 - 15.4 V
Discoverer
Greenwich (1902)
Epoch
Outburst
--
Period
278.6 d
Rise/eclipse dur.
43% (119.798000000000 d)
Remarks
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1
GCVS Team
P var. Max = 2416748 + 257.11d*E (JD2416750 - 21390); Max = 2430826 + 262.11d*E (JD2421390 - 30820); Max = 2439962 + 268.87d*E (JD2430820 - 40490); since JD2440490 - see Table.
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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
2020arXiv200508662C
3
J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
2012arXiv1210.0821A
4
P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004
2004AJ....128.2965W
5
Cannon, A. J., 1907, Second catalogue of variable stars
1907AnHar..55....1C
6
T. Karlsson, Maxima of Mira stars
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7
General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
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External Links
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Location
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AAVSO WebObs
APASS
AAVSOnet EPD
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ASAS-SN Variable
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NSVS
CRTS
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SuperWASP
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Kamogata Wide-field Survey (KWS)
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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 = 7.03 H = 6.26 K = 5.69 J - K = 1.34
AllWISE
W1 = 5.07 W2 = 4.10 W3 = 3.41 W4 = 2.65 W1 - W2 = 0.97 W3 - W4 = 0.75
APASS-DR9
B = 16.98 V = 15.85 g' = 17.04 r' = 14.45 i' = 11.18 B - V = 1.12
Images
Please review Digitized Sky Survey Acknowledgment and Copyright .
Supporting Documents
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Campaigns/Programs
LPV Program
Percy's Unusual LPVs
Revision History
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