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Latest Details
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Name
  R Tri  
AAVSO UID
000-BBF-162 (50638 observations)  
Constellation
Triangulum Sequence
J2000.0
02 37 02.34 +34 15 51.4  (39.25975 +34.26428) Search nearby
B1950.0 02 34 00.03 +34 02 51.7
Proper motion
RA: 32.21 +/- 1.27 mas/yDec: -11.26 +/- 1.32 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 146.594 -23.709
Other names

(Internal only)
AAVSO 0231+33 ASASSN-V J023702.34+341552.6 BD+33 470
HD 16210 HIP 12193 HR 758
HV 7 IRC +30044 RAFGL 355
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Variability type
M
Spectral type M4IIIe-M8e
Mag. range
5.4 - 12.6 V
Discoverer Williamina Fleming (1890)
Epoch
28 Oct 2011 (HJD 2455863.00) Ephemeris
Outburst --
Period 266.58 d
Rise/eclipse dur. 44%  (117 d)
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 GCVS Team P var. Max = 2412167 + 267.3d*E (JD2412000 - 16000); Max = 2416972 + 262.6d*E (JD2416000 - 20000); since JD2420000 - see Table. Maser (H2O).
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
2 T. Karlsson, Maxima of Mira stars --
3 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 = 2.23H = 1.36K = 1.05J - K = 1.18
AllWISE W3 = -0.15W4 = -0.74W3 - W4 = 0.59
APASS-DR9 B = 11.88V = 11.01g' = 11.65B - V = 0.87
GALEX-DR5 NUV = 18.35
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 02 37 02.34 +34 15 51.4 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 Legacy LPV Program
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2024-01-18 18:54 UTC Period and epoch from AAVSO data.
3 Fernig, Leo 2022-02-18 22:10 UTC Discoverer updated from 1907AnHar..55....1C page 8
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.