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Details for Revision 1
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Name
  Fr277 Lyr  
AAVSO UID
--  
Constellation
Lyra Sequence
J2000.0
19 04 44.73 +29 15 54.7  (286.18637 +29.26519) Search nearby
B1950.0 19 02 46.95 +29 11 19.4
Galactic coord. 60.680 +10.245
Other names

(Internal only)
2MASS J19044473+2915546 UCAC3 239-156481  
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Variability type
RRC
Spectral type --
Mag. range
14.66 - 15.16 V
Discoverer P. Frank, W. Moschner and K. Bernhard
Epoch
25 Aug 2016 (HJD 2457626.413) Ephemeris
Outburst --
Period 0.322608 d  (7.7426 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Period changes. Period jump of about -4.58 seconds between JD 2456630 and 2456918.
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References
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1 P. Frank; W. Moschner; K. Bernhard, 2018, UCAC3 239-156481 (=Fr277 Lyr):
Ein neuer RRc-Stern mit Periodensprung		 BAV Rundbrief, 1/2018
2 Kazarovets, E. V.; et al., 2023, The 85th Name-list of Variable Stars 2023PZ.....43....9K
3 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
4 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars		 2020arXiv200508662C
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2024-10-16 20:10 UTC Primary name and rise duration from 2023PZ.....43....9K. Gaia DR3 position.
2 Otero, Sebastian Alberto 2021-10-26 08:03 UTC ZTF name from 2020arXiv200508662C added. Gaia EDR3 position.
1 Otero, Sebastian Alberto 2018-08-30 03:35 UTC Gaia DR2 position.

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