AAVSO Home



Current Time: 20 Feb 2025 21:08:16 UTC
Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  ST Aqr  
AAVSO UID
000-BDD-401 (353 observations)  
Constellation
Aquarius Sequence
J2000.0
22 21 01.89 -06 57 51.4  (335.25788 -6.96428) Search nearby
B1950.0 22 18 24.53 -07 12 59.9
Proper motion
RA: 33.571 +/- 0.968 mas/yDec: 13.325 +/- 0.889 mas/ySource: Gaia DR1
Galactic coord. 55.417 -49.043
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AN 134.1908 ASAS J222102-0657.9 ASASSN-V J222101.88-065751.3
BD-07 5753 HD 211965 HV 3155
SAO 146035    
(Not logged in)  Add name
Variability type
EB
Spectral type A7:+G8IV:
Mag. range
9.15 - 9.67 V
Discoverer Henrietta Leavitt (1908)
Epoch
14 Aug 2002 (HJD 2452500.58) Ephemeris
Outburst --
Period 0.7809919 d  (18.74381 h)
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 Min II 9.37. P var. Min = 2423640.271 + 0.78101367d*E (JD2423500 - 26000) [A.V.Solov'ev, Astron. Tsirk. N16, 1943.]. Since JD2439700 - 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 Bob Nelson's O-C files, 2016 --
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1956ApJ...123..246R
4 Zacharov G., Trudy Tashkentskoj Astronomicheskoj Observatorii, vol. 1,
pp.33-86
1928TrTas...1...33Z
5 Dunér, N. C.; Hartwig, E.; Muller, G., 1912, Benennung von neu entdeckten
veränderlichen Sternen
1912AN....191..341.
6 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 = 8.41H = 8.22K = 8.15J - K = 0.26
AllWISE W1 = 8.05W2 = 8.10W3 = 8.08W4 = 7.86W1 - W2 = -0.05W3 - W4 = 0.22
APASS-DR9 B = 10.07
GALEX-DR5 FUV = 18.05NUV = 13.63FUV - NUV = 4.42
SDSS-DR12 u = 13.55g = 12.28r = 9.07i = 8.99z = 9.53u - g = 1.28r - i = 0.08
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Image not downloaded. Click Retrieve Image to download and view. Retrieve image
Supporting Documents
There are currently no supporting documents on file for this star. (Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Fernig, Leo 2022-11-15 22:35 UTC Discoverer updated from 1912AN....191..341. page 356.
3 Billiaert, Bruno 2014-09-07 15:33 UTC Added reference
2 Admin, VSX 2010-01-05 04:43 UTC Update from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.