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Name
  NSVS 16597139  
AAVSO UID
--  
Constellation
Ophiuchus Sequence
J2000.0
17 33 19.01 -17 04 12.9  (263.32921 -17.07025) Search nearby
B1950.0 17 30 24.94 -17 02 10.2
Galactic coord. 8.622 +8.660
Other names

(Internal only)
2MASS J17331902-1704127 ASASSN-V J173319.10-170413.0 GSC2.3 S8K8018290
NSVS 16497467 UCAC4 365-096228 USNO-B1.0 0729-0550808
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Variability type
SRB
Spectral type --
Mag. range
14.2 - <16.2 V
Discoverer Alexandr Ditkovsky, VS COMPAS Team
Epoch
26 Jul 1999 (HJD 2451386) Ephemeris
Outburst --
Period 210 d
Rise/eclipse dur. --
Remarks
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1 Ditkovsky, Alexandr J-K = 1.37. ASAS-3 and NSVS magnitudes contaminated by 2MASS J17331975-1704155 (V= 14.8, J-K= 0.64, sep. 11"), 2MASS J17331972-1704241 (V= 15.2, J-K= 1.13, sep. 15"), 2MASS J17331813-1704268 (V= 15.5, J-K= 0.78, sep. 19") and 2MASS J17331783-1704230 (V= 15.6, J-K= 0.91, sep. 20"). NSVS magnitudes also contaminated by other nearby stars. Range has been corrected. The period of 210 d. is the best one for the whole dataset but several periods are recorded and are changing with time. The main period over the ASAS-3 dataset is 230 d. (Epoch HJD 2454768) and with periods of 208.8 and 107.1 d. also present. The 107.1 d. period is also consistent with NSVS data but there are few observations to confirm it.
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References
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1 Iwanek, P.; et al., 2022, The OGLE Collection of Variable Stars: Nearly
66,000 Mira Stars in the Milky Way
2022ApJS..260...46I
2 Northern Sky Variability Survey, Wozniak, P.R., et al., 2004 2004AJ....127.2436W
3 Northern Sky Variability Survey, Wozniak, P.R., et al., 2004 2004AJ....127.2436W
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Supporting Documents
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5 Phase plot 210d Ditkovsky, Alexandr 2013-10-08 12:34 UTC
4 Light curve Ditkovsky, Alexandr 2013-10-07 12:49 UTC
3 Phase plot 107.1d Ditkovsky, Alexandr 2013-10-07 12:49 UTC
2 Phase plot 208.8d Ditkovsky, Alexandr 2013-10-07 12:48 UTC
1 Phase plot 230d Ditkovsky, Alexandr 2013-10-07 12:48 UTC
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
2 Otero, Sebastian Alberto 2023-02-22 21:10 UTC Type and period from 2022ApJS..260...46I. Gaia DR3 position.
1 Ditkovsky, Alexandr 2013-10-09 05:20 UTC Initial submission.