GM Nor (Eclipsing binary)

RA: 15h 51m 57.97s, DE: -55° 21' 48.30" (237.9915416667, -55.3634166667)

Tic: TIC 81569380, Gsc: GSC 08701-00798, Tyc: TYC 8701-798-1, Gcvs: GM Nor, TwoMass: 2MASS J15515797-5521482, Gaia: Gaia DR3 5884588160342392320

Data:
  • Constellation: Nor
  • Variability type: EA
  • Maximal brightness (Mag): 10.580 (V)
  • Minimum brightness (Mag): 11.030 (V)
  • Brightness in secondary minimum (Mag): 11.010 (V)
  • D (h): 5.880
  • Astrophysical interest: Excentric orbit of the binary, Apsidal motion
  • Created: 6/1/1996
  • Created by: admin
Show list of observations >>
Periodic elements:
  • Period (d): 1.884580000000000
  • Epoch (HJD): 41696.91000
  • Secondary Epoch (HJD): 41697.85229
Additional data:
  • EPOCH (sec): 2441697.85
Change log:

1/22/2026, Filip Walter:

  • D: Null → 5.88

1/21/2026, Filip Walter:

  • Name: GM → GM Nor
  • Astrophysical interest: Nothing → Excentric orbit of the binary, Apsidal motion
  • Alternative designation: → Tic: TIC 81569380, Gsc: GSC 08701-00798, Tyc: TYC 8701-798-1, Gcvs: GM Nor, TwoMass: 2MASS J15515797-5521482, Gaia: Gaia DR3 5884588160342392320

Chart
GM Nor
Source: The STScI Digitized Sky Survey
Number of observations

18 x

Number of observers

1 x

Last observed before

5767 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2441696.91 + 1.88458 * E
S: M = 2441697.85229 + 1.88458 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline