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Name
  BMAM-V921  
AAVSO UID
000-BPQ-348 (No observations)  
Constellation
Aquila Sequence
J2000.0
19 56 45.97 +08 34 47.8  (299.19154 +8.57994) Search nearby
B1950.0 19 54 21.00 +08 26 43.6
Galactic coord. 48.230 -10.337
Other names

(Internal only)
2MASS J19564598+0834477 ASAS J195646+0834.8 BD+08 4274
GSC 01071-01186 HD 188839 TIC 375745906
TYC 1071-1186-1 UCAC4 493-125869 USNO-A2.0 0975-17227012
USNO-B1.0 0985-0537976 WISE J195645.97+083447.8  
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Variability type
EA
Spectral type --
Mag. range
9.17 V (0.60)TESS
Discoverer Mariusz Bajer
Epoch
27 Jul 2022 (HJD 2459788.334) Ephemeris
Outburst --
Period 18.20555 d
Rise/eclipse dur. 1.2%  (0.218 d)
Remarks
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1 Bajer, Mariusz SB2 spectroscopic binary (2022yCat.1357....0G). Eccentric system. Min II= 9.69 V at phase 0.586. BP-G= 0.23 (Gaia DR3); B-V= 0.55 (APASS), J-K= 0.22 (2MASS).
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References
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1 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 3
Non-single stars		 2022yCat.1357....0G
2 Ricker, G. R.; et al., 2014, Transiting Exoplanet Survey Satellite (TESS) 2014SPIE.9143E..20R
3 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
External Links
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Images
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Supporting Documents
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1 BMAM-V921 phase plot Bajer, Mariusz 2023-07-03 19:25 UTC Phase plot data from ASAS-3 (V) and TESS SAP shifted to V standard with zoom on primary and secondary eclipse.
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Revision History
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1 Bajer, Mariusz 2023-07-04 14:43 UTC Gaia DR3 position.

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