AAVSO Home



Current Time: 04 Apr 2025 10:19:35 UTC
Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Details for Revision 1
Log in to retrieve additional aliases from SIMBAD.
Name
  R Tau  
AAVSO UID
000-BBH-014 (12515 observations)  
Constellation
Taurus Sequence
J2000.0
04 28 18.00 +10 09 45.0  (67.07500 +10.16250) Search nearby
B1950.0 04 25 33.33 +10 03 09.1
Galactic coord. 185.217 -25.581
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 0422+09 ASAS J042818+1009.7 BD+09 585
HD 28309 IRC +10060 RAFGL 581
SAO 93949    
(Not logged in)  Add name
Variability type
M
Spectral type M5e-M9e
Mag. range
7.6 - 15.8 V
Discoverer --
Epoch
07 Oct 1982 (HJD 2445250) Ephemeris
Outburst --
Period 320.9 d
Rise/eclipse dur. 41%  (131.569000000000 d)
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 GCVS Team OH, H2O, Sio maser. P var. Max = 2411012 + 325.0d*E (JD2398654 - 2414000); Max = 2424243 + 322.1d*E (JD2414000 - 24300); Max = 2434005 + 325.4d*E (JD2424300 - 35500); since JD2435500 - see Table.
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
3 T. Karlsson, Maxima of Mira stars --
4 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
External Links
Links open in a new window. Not all links may be valid for this particular target.
Location    Go   
Select a Location for more details.
Supporting Documents
There are currently no supporting documents on file for this star. (Not logged in)  Add document
Campaigns/Programs
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Fernig, Leo 2022-02-18 22:11 UTC Discoverer updated from 1907AnHar..55....1C page 9
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.