RT And (Eclipsing binary)

RA: 23h 11m 10.11s, DE: +53° 01' 33.20" (347.7921249950, 53.0258888882)

Data:

  • Constellation: And
  • Variability type: EA/DW/RS
  • Maximal brightness (Mag): 8.550 (V)
  • Minimum brightness (Mag): 9.470 (V)
  • Brightness in secondary minimum (Mag): 8.880 (V)
  • Astrophysical interest: Period decreasing
  • Created: 7/11/1997
  • Created by: admin
Periodic elements:

  • Period (d): 0.628929510000000
  • Epoch (HJD): 51463.24000
  • Secondary Epoch (HJD): 51463.55400
Change log:

11/23/2025, Filip Walter:

  • Astrophysical interest: Period increasing → Period decreasing

8/23/2025, Filip Walter:

  • Astrophysical interest: Nothing → Period increasing

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

42 x

Number of observers

18 x

Last observed before

2 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2451463.24 + 0.62892951 * E
S: M = 2451463.554 + 0.62892951 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline