ASASSN-V J200847.48+304440.6 (Eclipsing binary)

RA: 20h 08m 47.51s, DE: +30° 44' 40.17" (302.1979630436, 30.7444915588)

AsasSnV: ASASSN-V J200847.48+304440.6, AsasSnV: ASASSN-V J200847.51+304440.2, Gaia: Gaia DR3 2029942801288512640, Ztf: ZTF J200847.52+304440.1, Other: WISEA J200847.44+304439.3, Ucac4: UCAC4 604-102970

Data:
  • Constellation: Cyg
  • Variability type: EA
  • Maximal brightness (Mag): 14.410
  • Minimum brightness (Mag): 14.620
  • Created by: admin
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Periodic elements:
  • Period (d): 1.049200000000000
  • Epoch (HJD): 2458344.99800
  • Secondary Epoch (HJD): 2458345.5226 (est.)
Change log:

9/9/2026, Filip Walter:

  • Epoch: Null → 2458344.998
  • Period: Null → 1.0492
  • Variability type: Null → EA
  • Minimum brightness: Null → 14.62
  • Maximal brightness: Null → 14.41
  • Declination: 30.7444844441 → 30.744491558849722222222222222
  • Right ascension: 302.1979583283 → 302.19796304357916666666666666
  • Constellation: → Cyg
  • Name: UCAC4 604-102970 → ASASSN-V J200847.48+304440.6
  • CI: Ztf: Null → ZTF J200847.52+304440.1
  • CI: Ucac4: Null → UCAC4 604-102970
  • CI: Other: Null → WISEA J200847.44+304439.3
  • CI: Gaia: Null → Gaia DR3 2029942801288512640
  • CI: AsasSnV: Null → ASASSN-V J200847.48+304440.6, ASASSN-V J200847.51+304440.2

Chart
ASASSN-V J200847.48+304440.6
Source: The STScI Digitized Sky Survey, FoV: 15 x 15 arcmin
Number of observations

1 x

Number of observers

1 x

Last observed before

2922 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2458344.998 + 1.0492 * E
S: M = 2458345.5226 + 1.0492 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline