CzeV1247 (Eclipsing binary)

RA: 01h 22m 33.58s, DE: +59° 28' 59.48" (20.6399200000, 59.4831900000)

CzeV: CzeV1247, Ucac4: UCAC4 748-012995, Ucac4: UCAC4 748-01995, AsasSnV: ASASSN-V J012233.44+592900.1, Ato: ATO J020.6398+59.4832, Gaia: Gaia DR3 510106088868649344, TwoMass: 2MASS J01223360+5928595, Ztf: ZTF J012233.54+592859.8

Data:
  • Constellation: Cas
  • Variability type: EW
  • Maximal brightness (Mag): 14.183 (r)
  • Minimum brightness (Mag): 14.681 (r)
  • Astrophysical interest: Possible period changes, Wrong period, Wrong main epoch
  • Created: 10/4/2017
  • Created by: Filip Walter
Show list of observations >>
Periodic elements:
  • Period (d): 0.305293800000000
  • Epoch (HJD): 2458336.90090
  • Secondary Epoch (HJD): 2458337.0535469 (est.)
Additional data:
  • Discoverer: Filip Walter
  • Discovery year: 2017
Change log:

10/1/2026, Filip Walter:

  • Astrophysical interest: Nothing → Possible period changes, Wrong period, Wrong main epoch
  • Epoch: 0 → 2458336.9009
  • Period: 0 → 0.3052938
  • Photometric band: V → r
  • Brightness in secondary minimum: 0 → Null
  • Minimum brightness: 0 → 14.681
  • Maximal brightness: 14.46 → 14.183
  • Declination: 59.4831861104 → 59.48319
  • Right ascension: 20.6399166567 → 20.63992
  • CI: Ztf: Null → ZTF J012233.54+592859.8
  • CI: TwoMass: Null → 2MASS J01223360+5928595
  • CI: Gaia: Null → Gaia DR3 510106088868649344
  • CI: Ato: Null → ATO J020.6398+59.4832
  • CI: AsasSnV: Null → ASASSN-V J012233.44+592900.1

Chart
CzeV1247
Source: The STScI Digitized Sky Survey, FoV: 15 x 15 arcmin
Number of observations

5 x

Number of observers

2 x

Last observed before

1 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2458336.9009 + 0.3052938 * E
S: M = 2458337.0535469 + 0.3052938 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline