HN Psc (Eclipsing binary)

RA: 01h 29m 47.93s, DE: +33° 03' 35.70" (22.4497083283, 33.0599166667)

Data:
  • Constellation: Psc
  • Variability type: EW
  • Maximal brightness (Mag): 10.750 (R)
  • Minimum brightness (Mag): 10.950 (R)
  • Brightness in secondary minimum (Mag): 10.930 (R)
  • Astrophysical interest: Period decreasing
  • Created: 3/27/2009
  • Created by: admin
Show list of observations >>
Periodic elements:
  • Period (d): 0.329519000000000
  • Epoch (HJD): 51478.77700
  • Secondary Epoch (HJD): 51478.94200
Change log:

11/29/2025, Filip Walter:

  • Astrophysical interest: Possible period changes → Period decreasing
  • Astrophysical interest: Nothing → Possible period changes

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

12 x

Number of observers

6 x

Last observed before

176 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2451478.777 + 0.329519 * E
S: M = 2451478.942 + 0.329519 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline