CzeV252 (Eclipsing binary)

RA: 16h 17m 50.44s, DE: +85° 12' 17.19" (244.4601666617, 85.2047750000)

CzeV: CzeV252, Gsc: GSC 4651-1507, Ucac4: UCAC4 877-005303, Other: G4651.1507

Data:
  • Constellation: UMi
  • Variability type: EW
  • Maximal brightness (Mag): 14.900 (Clear)
  • Minimum brightness (Mag): 15.200 (Clear)
  • Created: 7/30/2014
  • Created by: admin
Show list of observations >>
Periodic elements:
  • Period (d): 0.295347800000000
  • Epoch (HJD): 2455689.41500
  • Secondary Epoch (HJD): 2455689.5626739 (est.)
Additional data:
  • Discoverer: Jiří Polák
  • Discovery year: 2011
  • Note: 
    M0=2455689.415000. P= 0.29534 - pozorováno 1 rok. dobře sedí.  http://var2.astro.cz/obslog.php?phase=yes&star=G4651.1507+UMi&obs_id=1270489348&projekt=%25&M0_ph=2455689.415&PER_ph=0.29534&submit=Vykreslit+f%E1zovou+k%F8ivku&ph_min=&ph_max=&dataarray=13358
Change log:

4/2/2025, Filip Walter:

  • Period: 0.29534 → 0.2953478

Chart
CzeV252
Source: The STScI Digitized Sky Survey
Number of observations

24 x

Number of observers

1 x

Last observed before

5087 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2455689.415 + 0.2953478 * E
S: M = 2455689.5626739 + 0.2953478 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline