AAVSO Home



Current Time: 01 Apr 2025 23:44:45 UTC
Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  R Gem  
AAVSO UID
000-BBM-508 (36730 observations)  
Constellation
Gemini Sequence
J2000.0
07 07 21.27 +22 42 12.7  (106.83862 +22.70353) Search nearby
B1950.0 07 04 20.72 +22 46 56.9
Proper motion
RA: -8.82 +/- 3.22 mas/yDec: -4.28 +/- 2.65 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 194.075 +13.472
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 0701+22A ASAS J070721+2242.2 BD+22 1577
HD 53791 HIP 34356 HR 2671
IRC +20171 SAO 79070  
(Not logged in)  Add name
Variability type
M
Spectral type S2,9e-S8,9e(Tc)
Mag. range
6.0 - 14.1 V
Discoverer John Russell Hind
Epoch
02 Feb 2015 (HJD 2457056.0) Ephemeris
Outburst --
Period 370.5 d
Rise/eclipse dur. 36%  (133 d)
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 GCVS Team VB A (B 11.4m pg, 173", 200deg, 1910). S 3.5/6e- S 6.5/6-.
(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 T. Karlsson, Maxima of Mira stars --
3 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.
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 = 2.53H = 1.64K = 1.46J - K = 1.07
AllWISE W3 = 0.06W4 = -0.47W3 - W4 = 0.54
APASS-DR9 B = 15.01V = 12.69g' = 14.01r' = 10.96i' = 10.04B - V = 2.31
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 07 07 21.27 +22 42 12.7 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
There are currently no supporting documents on file for this star. (Not logged in)  Add document
Campaigns/Programs
 Legacy LPV Program
 LPV Program
 Percy's Unusual LPVs
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2024-01-18 21:25 UTC Minimum magnitude, period and epoch from AAVSO data.
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Wils, Patrick 2007-01-08 20:54 UTC --
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.