ASAS J210245 +1159.9 (Eclipsing binary)

RA: 21h 02m 45.41s, DE: +11° 59' 52.60" (315.6892083283, 11.9979444441)

Asas: ASAS 210245+1159.9, Asas: ASAS J210245+1159.9, AsasSnV: ASASSN-V J210245.38+115952.8, Ato: ATO J315.6891+11.9979, Gaia: Gaia DR3 1757283296475181952, Tic: TIC 456754260, TwoMass: 2MASS J21024541+1159527, Tyc: TYC 1111-780-1, Ucac4: UCAC4 510-139773, Ztf: ZTF J210245.40+115952.5, Other: 1SWASP J210245.41+115952.6

Data:
  • Constellation: Equ
  • Variability type: EB
  • Maximal brightness (Mag): 12.390 (V)
  • Minimum brightness (Mag): 12.650 (V)
  • Astrophysical interest: Wrong period, Wrong main epoch
  • Created by: admin
Show list of observations >>
Periodic elements:
  • Period (d): 0.476510280000000
  • Epoch (HJD): 2452383.38100
  • Secondary Epoch (HJD): 2452383.61925514 (est.)
Change log:

8/19/2026, Filip Walter:

  • Astrophysical interest: Wrong main epoch → Wrong period, Wrong main epoch
  • Astrophysical interest: Nothing → Wrong main epoch
  • Epoch: Null → 2452383.381
  • Period: Null → 0.47651028
  • Variability type: Null → EB
  • Photometric band: Null → V
  • Minimum brightness: Null → 12.65
  • Maximal brightness: Null → 12.39
  • CI: Ztf: Null → ZTF J210245.40+115952.5
  • CI: Ucac4: Null → UCAC4 510-139773
  • CI: Tyc: Null → TYC 1111-780-1
  • CI: TwoMass: Null → 2MASS J21024541+1159527
  • CI: Tic: Null → TIC 456754260
  • CI: Other: Null → 1SWASP J210245.41+115952.6
  • CI: Gaia: Null → Gaia DR3 1757283296475181952
  • CI: Ato: Null → ATO J315.6891+11.9979
  • CI: AsasSnV: Null → ASASSN-V J210245.38+115952.8
  • CI: Asas: Null → ASAS 210245+1159.9, ASAS J210245+1159.9

Chart
ASAS J210245 +1159.9
Source: The STScI Digitized Sky Survey, FoV: 15 x 15 arcmin
Number of observations

2 x

Number of observers

2 x

Last observed before

3 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2452383.381 + 0.47651028 * E
S: M = 2452383.61925514 + 0.47651028 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline