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Latest Details
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Name
  MarSEC_V51  
AAVSO UID
000-BPK-145 (No observations)  
Constellation
Cygnus Sequence
J2000.0
20 11 27.26 +36 29 56.9  (302.86358 +36.49914) Search nearby
B1950.0 20 09 35.06 +36 20 56.5
Galactic coord. 73.851 +1.518
Other names

(Internal only)
2MASS J20112726+3629568 AG+36 1956 BD+36 3927
CMC15 J201127.2+362956 GSC 02683-01190 HD 228199
PPM 84403 SAO 69575 TIC 43315980
TYC 2683-1190-1 UCAC4 633-095665 WDS J20115+3630A
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Variability type
HB
Spectral type B0.5:V
Mag. range
9.25 V (0.011)TESS
Discoverer I. Peretto, S. Lora, G. Peretto (Marana Space Explorer Center)
Epoch
14 Aug 2021 (HJD 2459441.137) Ephemeris
Outburst --
Period 18.77 d
Rise/eclipse dur. --
Remarks
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1 Peretto, Ivo Epoch of maximum given. Uncertain identification. Amplitude in the table is for the blend of the B0.5:V star BD+36 3927 and a fainter companion (V= 11.7; sep. 14"). The brighter component has been chosen as the variable star.
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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 Barbier, M., 1962, Structure de la galaxie dans la région de P Cygni 1962JO.....45...57B
External Links
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Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 20 11 27.26 +36 29 56.9 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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3 Phase plot pulsations Peretto, Ivo 2022-06-22 20:09 UTC Phase plot with TESS data showing the pulsations.
2 Phase plot orbital variations Peretto, Ivo 2022-06-20 20:44 UTC Phase plot with TESS data showing the orbital variability.
1 JD Plot Peretto, Ivo 2022-06-20 20:42 UTC JD Plot with TESS-SPOC data.
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Revision History
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1 Peretto, Ivo 2022-06-22 21:30 UTC Mean magnitude from the GCPD. Spectral type from 1962JO.....45...57B.

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