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Latest Details
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Name
  NSV 11489  
AAVSO UID
--  
Constellation
Scutum Sequence
J2000.0
18 54 03.92 -08 40 10.0  (283.51632 -8.66946) Search nearby
B1950.0 18 51 20.24 -08 43 58.5
Galactic coord. 25.498 -4.521
Other names

(Internal only)
2MASS J18540403-0839433 Gaia DR2 4203844445216059264 UCAC4 407-098045
USNO-B1.0 0813-0493901 ZTF J185403.91-084009.9  
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Variability type
EW
Spectral type --
Mag. range
16.310 (0.361) g
Discoverer --
Epoch
06 Aug 2018 (HJD 2458336.7558) Ephemeris
Outburst --
Period 0.5112411 d  (12.26979 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto V= 16.1 in Gaia DR2. No apparent variability in ASAS-SN data. Identification from the NSV catalogue (November 2019 version) adopted but the chart in 1962AnLei..21..385H does not point to any star so the identification is uncertain.
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References
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1 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
2 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars
2020arXiv200508662C
3 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
4 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
5 M.Harwood, Leid Ann 21, No.8, 387, 1962. 1962AnLei..21..385H
External Links
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Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 54 03.92 -08 40 10.0 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2021-10-25 20:28 UTC Update from 2020arXiv200508662C. Gaia EDR3 position.
2 Otero, Sebastian Alberto 2020-09-06 03:25 UTC Identification from the NSV catalogue (November 2019 version). Gaia DR2 position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.