IM Per (Eclipsing binary)

RA: 03h 11m 42.31s, DE: +52° 12' 42.30" (47.9262916617, 52.2117500000)

Data:
  • Constellation: Per
  • Variability type: E
  • Maximal brightness (Mag): 12.000 (P)
  • Minimum brightness (Mag): 12.700 (P)
  • Brightness in secondary minimum (Mag): 12.700 (P)
  • Astrophysical interest: Apsidal motion
  • Created: 6/1/1996
  • Created by: admin
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Periodic elements:
  • Period (d): 2.254229500000000
  • Epoch (HJD): 33541.35000
  • Secondary Epoch (HJD): 33542.47700
Change log:

12/29/2025, Filip Walter:

  • Astrophysical interest: Nothing → Apsidal motion

Chart
IM Per
Source: The STScI Digitized Sky Survey
Number of observations

22 x

Number of observers

4 x

Last observed before

104 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2433541.35 + 2.2542295 * E
S: M = 2433542.477 + 2.2542295 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline