AAVSO Home



Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  YY Ori  
AAVSO UID
000-BDY-965 (271 observations)  
Constellation
Orion Sequence
J2000.0
05 34 47.54 -05 57 56.7  (83.69808 -5.96575) Search nearby
B1950.0 05 32 20.75 -05 59 52.1
Proper motion
RA: 7.0 +/- 3.0 mas/yDec: 1.4 +/- 5.3 mas/ySource: UCAC4
Galactic coord. 209.499 -19.751
Other names

(Internal only)
AN 56.1904 ASASSN-V J053447.53-055757.0 HBC 119
HV 758 Parenago 1617  
(Not logged in)  Add name
Variability type
INST(YY)
Spectral type K2IVe-K5e(T)
Mag. range
13.2 - 15.7 p
Discoverer Henrietta Leavitt (1904)
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 GCVS Team Emission. In the region of the Orion nebula T-association.
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 P.P.Parenago, Tr. Gos. Astron. Inst. Sternberg 25, 1954. --
2 Dunér, N. C.; et al., 1914, Benennung von neu entdeckten veränderlichen
Sternen		 1914AN....199...65D
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 = 10.95H = 10.04K = 9.40J - K = 1.54
AllWISE W1 = 8.70W2 = 8.19W3 = 6.89W4 = 5.07W1 - W2 = 0.52W3 - W4 = 1.82
APASS-DR9 B = 14.75V = 13.82g' = 14.78r' = 13.73i' = 13.30B - V = 0.92
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 05 34 47.54 -05 57 56.7 (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
Stellar Association Membership
 NGC 1976 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Fernig, Leo 2022-06-29 19:56 UTC Discoverer updated from 1914AN....199...65D page 75
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.

Guidelines    FAQ    Manual    Forum    Variability Types    Passbands    Copyright    Acknowledgments    Privacy    Contact    Help us   
The International Variable Star Index
© 2005-2025 American Association of Variable Star Observers (AAVSO)
Version 1.1 [C]
172.30.5.15