FW Her (Eclipsing binary)

RA: 17h 59m 25.76s, DE: +25° 43' 13.20" (269.8573333283, 25.7203333327)

Tic: TIC 158847799, Gsc: GSC 02094-01197, Gcvs: FW Her, TwoMass: 2MASS J17592580+2543130, Crts: CRTS J175925.7+254313, Gaia: Gaia DR3 4582543398313727872

Data:
  • Constellation: Her
  • Variability type: EA
  • Maximal brightness (Mag): 14.400 (P)
  • Minimum brightness (Mag): 14.900 (P)
  • Brightness in secondary minimum (Mag): 14.600 (P)
  • Astrophysical interest: Possible period changes
  • Created: 6/1/1996
  • Created by: admin
Show list of observations >>
Periodic elements:
  • Period (d): 0.835417000000000
  • Epoch (HJD): 2426744.61400
  • Secondary Epoch (HJD): 2426745.0317085 (est.)
Change log:

6/7/2026, Filip Walter:

  • Astrophysical interest: Nothing → Possible period changes
  • Secondary Epoch: 26745.015 → Null
  • Epoch: 26744.597 → 2426744.614
  • Period: 0.835415 → 0.835417
  • Variability type: EB → EA
  • Name: FW → FW Her
  • Alternative designation: → Tic: TIC 158847799, Gsc: GSC 02094-01197, Gcvs: FW Her, TwoMass: 2MASS J17592580+2543130, Crts: CRTS J175925.7+254313, Gaia: Gaia DR3 4582543398313727872

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

14 x

Number of observers

2 x

Last observed before

21 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2426744.614 + 0.835417 * E
S: M = 2426745.0317085 + 0.835417 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline