BB Peg (Eclipsing binary)

RA: 22h 22m 56.89s, DE: +16° 19' 27.90" (335.7370416567, 16.3244166660)

Aavso: AAVSO 2218+15, AsasSnV: ASASSN-V J222256.91+161927.7, Gaia: Gaia DR3 2737141804011885952, Gcvs: BB Peg, Gsc: GSC 01682-01542, Hip: HIP 110493, Nsvs: NSVS 11734500, Nsvs: NSVS 11768184, Tic: TIC 404579722, TwoMass: 2MASS J22225688+1619278, Tyc: TYC 1682-1542-1, Other: AN 93.1931, Other: ASAS J222257+1619.4

Data:
  • Constellation: Peg
  • Variability type: EW
  • Maximal brightness (Mag): 10.800 (B)
  • Minimum brightness (Mag): 11.480 (B)
  • Brightness in secondary minimum (Mag): 11.400 (B)
  • Astrophysical interest: Light time effect (LTE)
  • Created: 6/1/1996
  • Created by: admin
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Periodic elements:
  • Period (d): 0.361501000000000
  • Epoch (HJD): 26582.19000
  • Secondary Epoch (HJD): 26582.37100
Change log:

7/22/2026, Filip Walter:

  • Name: BB → BB Peg
  • Alternative designation: → Aavso: AAVSO 2218+15, AsasSnV: ASASSN-V J222256.91+161927.7, Gaia: Gaia DR3 2737141804011885952, Gcvs: BB Peg, Gsc: GSC 01682-01542, Hip: HIP 110493, Nsvs: NSVS 11734500, Nsvs: NSVS 11768184, Tic: TIC 404579722, TwoMass: 2MASS J22225688+1619278, Tyc: TYC 1682-1542-1, : AN 93.1931, : ASAS J222257+1619.4

9/20/2025, Filip Walter:

  • Astrophysical interest: Nothing → Light time effect (LTE)

Chart
BB Peg
Source: The STScI Digitized Sky Survey, FoV: 15 x 15 arcmin
Number of observations

65 x

Number of observers

19 x

Last observed before

12 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2426582.19 + 0.361501 * E
S: M = 2426582.371 + 0.361501 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline