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Name
  V1143 Ara  
AAVSO UID
--  
Constellation
Ara Sequence
J2000.0
17 40 43.92 -53 40 35.3  (265.18300 -53.67647) Search nearby
B1950.0 17 36 39.75 -53 39 02.3
Galactic coord. 338.165 -11.965
Other names

(Internal only)
2CXO J174043.9-534035 CXOU J174043.93-534035.5 Gaia DR3 5921745296766522752
NGC 6397 V007 NGC 6397 V7  
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Variability type
EW
Spectral type --
Mag. range
17.05 - 17.80 V
Discoverer --
Epoch
14 Feb 2017 (HJD 2457799.333) Ephemeris
Outburst --
Period 0.269861 d  (6.4767 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Only 1.8" to the W of Gaia DR3 5921745296766522112 (G= 16.35 - 16.95).
2 2019IBVS.6261....1K Chandra X-ray source.
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References
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1 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 4
Variability
2022yCat.1358....0G
2 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 1
Main source
2022yCat.1355....0G
3 Ahumada, J. A.; et al., 2021, A time-series VI study of the variable stars
of the globular cluster NGC 6397
2021NewA...8801607A
4 Kazarovets, E.V.; Samus, N.N.; Durlevich, O.V. et al., 2019, The 82nd
Name-List of Variable Stars. Part I - RA 0hr to 18hr, Novae and
Globular-cluster Variables
2019IBVS.6261....1K
5 Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; et al., 2017, General
Catalogue of Variable Stars: Version GCVS 5.1 (November 2019)
2017ARep...61...80S
6 Li, K.; Qian, S. -B., 2013, Two contact binaries at different evolutionary
stages in the globular cluster NGC 6397
2013NewA...25...12L
7 J. Kaluzny, AsAp Suppl 122, No. 1, 1, 1997. 1997A&AS..122....1K
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Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2024-11-04 16:04 UTC Period from 2013NewA...25...12L. Epoch from Gaia DR3 data. Gaia DR3 position. Range derived from 2021NewA...8801607A and Gaia DR3 data.
2 Otero, Sebastian Alberto 2020-05-24 18:30 UTC Period and epoch from the GCVS (November 2019 version).
1 Admin, VSX 2019-04-05 02:12 UTC Initial upload.