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Latest Details
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Name
  AT Cen  
AAVSO UID
000-BDK-319 (No observations)  
Constellation
Centaurus Sequence
J2000.0
11 19 37.83 -56 55 06.0  (169.90762 -56.91833) Search nearby
B1950.0 11 17 22.48 -56 38 40.1
Galactic coord. 290.616 +3.742
Other names

(Internal only)
2MASS J11193782-5655059 ASAS J111938-5655.1 ASASSN-V J111937.77-565505.2
UCAC4 166-066747 USNO-B1.0 0330-0314761  
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Variability type
RRAB
Spectral type --
Mag. range
14.16 - 15.44 V
Discoverer Ejnar Hertzsprung (1924)
Epoch
05 Feb 1924 (HJD 2423821.138) Ephemeris
Outburst --
Period 0.4559115 d  (10.94188 h)
Rise/eclipse dur. 13%  (1.422 h)
Remarks
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References
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1 Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the
contents and survey properties
2018A&A...616A...1G
2 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
3 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
4 E.Hertzsprung, BAN 2, 114, 1924. 1924BAN.....2R.114H
5 Guthnick, P.; et al., 1924, Benennung von neu entdeckten veränderlichen
Sternen
1924AN....223...41G
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Images
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Supporting Documents
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Revision History
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3 Fernig, Leo 2023-07-05 21:39 UTC Discoverer updated from 1924AN....223...41G page 51.
2 Otero, Sebastian Alberto 2020-05-10 23:46 UTC Period from ASAS-SN and ASAS-3 data. Rise duration and range from ASAS-SN and Gaia data. Gaia DR2 position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.