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Name
  GDS_J1535467-555656  
AAVSO UID
--  
Constellation
Norma Sequence
J2000.0
15 35 46.74 -55 56 56.1  (233.94477 -55.94893) Search nearby
B1950.0 15 31 53.83 -55 46 59.4
Galactic coord. 324.523 -0.126
Other names

(Internal only)
2MASS J15354671-5556563 ASASSN-V J153546.74-555656.1 Gaia DR3 5883587875302126592
OGLE-GD-CEP-1884 VVV J153546.69-555656.30  
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Variability type
VAR
Spectral type --
Mag. range
14.89 (0.51) r
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Classified as the first galactic Ultra-Long Period (ULP) Cepheid in 2024arXiv240400151S. Colors and infrared magnitudes typical of red giants or supergiants (J= 7.47; K= 5.51), even when reddening taken into account. Spectral type M in 2023A&A...674A..26C.
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References
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1 Soszyński, I.; Skowron, D. M.; Udalski, A.; et al., 2024, Discovery of
the Longest-Period Classical Cepheid in the Milky Way
2024arXiv240400151S
2 Creevey, O. L.; et al., 2023, Gaia Data Release 3: Astrophysical parameters
inference system (Apsis) I -- methods and content overview
2023A&A...674A..26C
3 M. Hackstein, Ch. Fein, M. Haas et al., 2015, AN 336, 590 2015AN....336..590H
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2024-04-29 16:40 UTC Period added.
2 Otero, Sebastian Alberto 2024-04-10 04:53 UTC Type, period and range from 2024arXiv240400151S. Spectral type from 2023A&A...674A..26C. Gaia DR3 position.
1 Admin, VSX 2016-01-03 04:07 UTC Preserved original object data.