CzeV263 (Eclipsing binary)

RA: 15h 49m 15.76s, DE: +37° 55' 06.06" (237.3156499900, 37.9183499993)

CzeV: CzeV263, Gsc: GSC 03054-01274, Ucac4: UCAC4 640-050794, AsasSnV: ASASSN-V J154915.70+375506.3, Ato: ATO J237.3156+37.9183, Crts: CRTS J154915.7+375506, Css: CSS_J154915.7+375506, Gaia: Gaia DR3 1376497646404405248, Ztf: ZTF J154915.75+375506.0

Data:

  • Constellation: CrB
  • Variability type: EB
  • Maximal brightness (Mag): 14.100 (R)
  • Minimum brightness (Mag): 14.400 (R)
  • Astrophysical interest: Light time effect (LTE), Period decreasing
  • Created: 7/30/2014
  • Created by: admin
Periodic elements:

  • Period (d): 0.377998000000000
  • Epoch (HJD): 2453128.59400
  • Secondary Epoch (HJD): 2453128.782999 (est.)
Additional data:

  • Discoverer: Petr Cagaš
  • Discovery year: 2011
  • Note:
    http://var2.astro.cz/obslog_detail.php?id=1313157873&lang=cz
Change log:

9/18/2026, Filip Walter:

  • Astrophysical interest: Nothing → Light time effect (LTE), Period decreasing
  • CI: Ztf: Null → ZTF J154915.75+375506.0
  • CI: Gaia: Null → Gaia DR3 1376497646404405248
  • CI: Css: Null → CSS_J154915.7+375506
  • CI: Crts: Null → CRTS J154915.7+375506
  • CI: Ato: Null → ATO J237.3156+37.9183
  • CI: AsasSnV: Null → ASASSN-V J154915.70+375506.3

Chart
CzeV263
Source: The STScI Digitized Sky Survey, FoV: 15 x 15 arcmin
Number of observations

3 x

Number of observers

2 x

Last observed before

2370 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2453128.594 + 0.377998 * E
S: M = 2453128.782999 + 0.377998 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline