BP Vul (Eclipsing binary)

RA: 20h 25m 33.25s, DE: +21° 02' 18.00" (306.3885416567, 21.0383333330)

Tic: TIC 219665398, Gsc: GSC 01644-02113, Hd: HD 352179, Tyc: TYC 1644-2113-1, Gcvs: BP Vul, TwoMass: 2MASS J20253324+2102179, Gaia: Gaia DR3 1817081365931079424

Data:

  • Constellation: Vul
  • Variability type: EA
  • Maximal brightness (Mag): 10.100 (P)
  • Minimum brightness (Mag): 11.300 (P)
  • Brightness in secondary minimum (Mag): 10.500 (P)
  • D (h): 4.657
  • Astrophysical interest: Excentric orbit of the binary, Apsidal motion
  • Created: 6/1/1996
  • Created by: admin
Periodic elements:

  • Period (d): 1.940346000000000
  • Epoch (HJD): 46003.23100
  • Secondary Epoch (HJD): 46004.20100
Change log:

1/22/2026, Filip Walter:

  • D: Null → 4.657

1/21/2026, Filip Walter:

  • Name: BP → BP Vul
  • Astrophysical interest: Excentric orbit of the binary → Excentric orbit of the binary, Apsidal motion
  • Alternative designation: → Tic: TIC 219665398, Gsc: GSC 01644-02113, Hd: HD 352179, Tyc: TYC 1644-2113-1, Gcvs: BP Vul, TwoMass: 2MASS J20253324+2102179, Gaia: Gaia DR3 1817081365931079424

8/23/2025, Filip Walter:

  • Astrophysical interest: Nothing → Excentric orbit of the binary

Number of observations

23 x

Number of observers

5 x

Last observed before

178 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2446003.231 + 1.940346 * E
S: M = 2446004.201 + 1.940346 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline