2MASS J21221205+3531215 (Eclipsing binary)

RA: 21h 22m 12.04s, DE: +35° 31' 21.38" (320.5501833233, 35.5226055549)

Other: 2MASS J21221205+3531215, Other: 1SWASP J212212.08+353121.5, Ucac4: UCAC4 628-116887, Ztf: ZTF J212212.04+353121.4, Gaia: Gaia DR3 1855480336362406912

Data:
  • Constellation: Cyg
  • Variability type: EW
  • Maximal brightness (Mag): 13.994 (V)
  • Minimum brightness (Mag): 14.630 (V)
  • Astrophysical interest: Wrong period
  • Created by: admin
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Periodic elements:
  • Period (d): 0.390070000000000
  • Epoch (HJD): 2454318.50500
  • Secondary Epoch (HJD): 2454318.700035 (est.)
Change log:

1/29/2026, Filip Walter:

  • Astrophysical interest: Nothing → Wrong period
  • Epoch: Null → 2454318.505
  • Period: Null → 0.39007
  • Photometric band: Null → V
  • Minimum brightness: Null → 14.63
  • Maximal brightness: Null → 13.994
  • Alternative designation: : 2MASS J21221205+3531215, : 1SWASP J212212.08+353121.5 → : 2MASS J21221205+3531215, : 1SWASP J212212.08+353121.5, Ucac4: UCAC4 628-116887, Ztf: ZTF J212212.04+353121.4, Gaia: Gaia DR3 1855480336362406912
  • Variability type: Null → EW
  • Name: 1SWASP J212212.08+353121.5 → 2MASS J21221205+3531215
  • Alternative designation: → : 2MASS J21221205+3531215, : 1SWASP J212212.08+353121.5

Chart
2MASS J21221205+3531215
Source: The STScI Digitized Sky Survey
Number of observations

2 x

Number of observers

2 x

Last observed before

44 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2454318.505 + 0.39007 * E
S: M = 2454318.700035 + 0.39007 * E
ID HJDmin UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline