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Name
  TX Dra  
AAVSO UID
000-BBX-762 (38041 observations)  
Constellation
Draco Sequence
J2000.0
16 35 00.72 +60 28 05.2  (248.75300 +60.46811) Search nearby
B1950.0 16 34 17.48 +60 34 09.4
Proper motion
RA: -58.44 +/- 0.53 mas/yDec: 9.09 +/- 0.67 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 90.741 +39.995
Other names

(Internal only)
AAVSO 1633+60 AN 89.1910 ASASSN-V J163500.78+602806.4
BD+60 1688 DO 35356 HD 150077
HIP 81188 HV 3275 IRC +60243
RAFGL 1872 SAO 17155 TYC 4190-653-1
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Variability type
SRB
Spectral type M4II/IIIe-M7
Mag. range
6.8 - 8.2 V
Discoverer Annie J. Cannon (1910)
Epoch
--
Outburst --
Period 77 d
Rise/eclipse dur. 50%  (38 d)
Remarks
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1 Otero, Sebastian Alberto Secondary period ~713 d.
2 GCVS Team Mean magnitude var, P2 = 654d.
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References
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1 S. Albrighton, 2018, Analysis of two semi-regular variables in Draco BAA-VSS Circular #176, 2018
2 S.Gaposchkin, HA 118, N20, 1952. 1952AnHar.118...25G
3 Dunér, N. C.; Hartwig, E.; Muller, G., 1911, Benennung von neu entdeckten
veränderlichen Sternen
1911AN....190...57.
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 = 2.68H = 1.73K = 1.49J - K = 1.19
AllWISE W3 = 0.64W4 = 0.04W3 - W4 = 0.60
APASS-DR9
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 16 35 00.72 +60 28 05.2 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 Binocular program
 Legacy LPV Program
 LPV Program
Revision History
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6 Fernig, Leo 2022-11-15 22:32 UTC Discoverer updated from 1911AN....190...57. page 67.
5 Otero, Sebastian Alberto 2018-06-04 20:29 UTC Periods from BAA-VSS Circular #176.
4 Otero, Sebastian Alberto 2016-05-27 23:21 UTC Minimum magnitude from AAVSO V data.
3 Otero, Sebastian Alberto 2011-11-10 01:05 UTC Range from AAVSO data. Spectral type from Skiff (2010).
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.