ET CMi (Eclipsing binary)

RA: 07h 09m 20.83s, DE: +12° 12' 14.00" (107.3367900000, 12.2038900000)

CzeV: CzeV90, Gcvs: ET CMi, Gsc: GSC 00770-00523, Ucac4: UCAC4 512-035470, AsasSnV: ASASSN-V J070920.71+121214.2, Ato: ATO J107.3368+12.2038, Gaia: Gaia DR3 3160220310580878848, Tic: TIC 26401217, TwoMass: 2MASS J07092083+1212140, Ztf: ZTF J070920.83+121214.0

Data:
  • Constellation: CMi
  • Variability type: EW
  • Maximal brightness (Mag): 12.810 (R)
  • Minimum brightness (Mag): 12.900 (R)
  • Created: 7/30/2014
  • Created by: admin
Show list of observations >>
Periodic elements:
  • Period (d): 0.435898000000000
  • Epoch (HJD): 2454107.60420
  • Secondary Epoch (HJD): 2454107.82215
Additional data:
  • Discoverer: Zejda
  • Discovery year: 2005
  • Publication: IBVS 5741
Change log:

9/27/2026, Filip Walter:

  • Declination: 12.2038888889 → 12.20389
  • Right ascension: 107.3368083333 → 107.33679
  • Name: CzeV90 → ET CMi
  • CI: Ztf: Null → ZTF J070920.83+121214.0
  • CI: TwoMass: Null → 2MASS J07092083+1212140
  • CI: Tic: Null → TIC 26401217
  • CI: Gaia: Null → Gaia DR3 3160220310580878848
  • CI: Ato: Null → ATO J107.3368+12.2038
  • CI: AsasSnV: Null → ASASSN-V J070920.71+121214.2

2/25/2025, Filip Walter:

  • Secondary Epoch: Null → 2454107.822149
  • Alternative designation: CzeV: CzeV90 CMi → CzeV: CzeV90 CMi, Gcvs: ET CMi

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

28 x

Number of observers

2 x

Last observed before

5354 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2454107.6042 + 0.435898 * E
S: M = 2454107.82215 + 0.435898 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline