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Details for Revision 2
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Name
  NSV 19918  
AAVSO UID
--  
Constellation
Boötes Sequence
J2000.0
13 40 40.47 +19 57 20.6  (205.16862 +19.95572) Search nearby
B1950.0 13 38 17.02 +20 12 29.9
Galactic coord. 3.080 +76.642
Other names

(Internal only)
1 Boo 1RXS J134040.2+195708 ADS 8991
BD+20 2858 HD 119055 HIP 66727
HR 5144 PPM 129992 SAO 82942
TIC 328934882    
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Variability type
CST
Spectral type A1.5V
Mag. range
5.73 V
Discoverer --
Epoch
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Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Pulsations with P= 2.7684 d. and amplitude 0.002 mag. (TESS).
2 Otero, Sebastian Alberto Combined magnitude given. A= 5.77V; B= 9.4V. Sep. 4.6".
3 GCVS Team Difference mag.(AB) var. AB: 6.2, 9.1, 5", 136deg (1958).
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References
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1 Ricker, G. R.; et al., 2014, Transiting Exoplanet Survey Satellite (TESS) 2014SPIE.9143E..20R
2 Perryman, M. A. C., et al., 1997, The HIPPARCOS Catalogue 1997HIP...C......0E
3 F.J.Josties, V.V.Kallarakal, G.G.Douglass, J.W. Christy, Naval Obs Publ,
2nd ser., 24, part 5, 1978.
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2021-05-10 19:43 UTC Phase plot with TESS data.
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Revision History
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3 Otero, Sebastian Alberto 2021-05-10 19:43 UTC Type, period, epoch and amplitude from TESS data.
2 Otero, Sebastian Alberto 2021-05-10 18:17 UTC Type and magnitude from Hipparcos, Gaia EDR3 and GCPD data. Gaia EDR3 position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.