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
  V4021 Oph  
AAVSO UID
--  
Constellation
Ophiuchus Sequence
J2000.0
17 01 45.30 -30 02 08.4  (255.43875 -30.03567) Search nearby
B1950.0 16 58 34.31 -29 57 49.7
Galactic coord. 353.708 +7.272
Other names

(Internal only)
2MASS J17014530-3002083 ASASSN-V J170145.31-300208.3 NGC 6266 V055
UCAC4 300-111806 USNO-A2.0 0525-25747176?  
(Not logged in)  Add name
Variability type
RRAB
Spectral type --
Mag. range
16.6 (1.0) p
Discoverer --
Epoch
16 May 1950 (HJD 2433417.50000) Ephemeris
Outburst --
Period 0.47872 d  (11.489 h)
Rise/eclipse dur. 20%  (2.3 h)
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 T. Jayasinghe; C. Kochanek; K. Z. Stanek; et al., 2018 (in preparation) UCAC4 position.
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 N.N. Samus, E.N. Pastukhova, O.V. Durlevich, et al., 2021, The 84th
Name-List of Variable Stars. Globular Clusters (Third Part) and Novae
2021PZ.....41....7S
2 T. Jayasinghe; C. Kochanek; K. Z. Stanek; et al., 2018 (in preparation) --
3 S.L.Th.J. van Agt, P.Th. Oosterhoff, Leiden Ann 21, 253, 1959 1959AnLei..21..253V
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.
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 17 01 45.30 -30 02 08.4 (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
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
2 Admin, VSX 2022-02-20 13:02 UTC Update from [2021PZ.....41....7S].
1 Admin, VSX 2017-11-22 01:21 UTC Initial upload.