YY Gru (Eclipsing binary)

RA: 22h 48m 46.62s, DE: -50° 59' 28.20" (342.1942484863, -50.9911659706)

Asas: ASAS J224846-5059.6, AsasSnV: ASASSN-V J224846.53-505928.4, Crts: CRTS J224846.5-505928, Gaia: Gaia DR3 6513537570489393920, Gcvs: YY Gru, Gsc: GSC 08453-00634, Tic: TIC 161270650, TwoMass: 2MASS J22484662-5059281, Other: SON 6502

Data:
  • Constellation: Gru
  • Variability type: EB
  • Maximal brightness (Mag): 12.400 (P)
  • Minimum brightness (Mag): 13.200 (P)
  • Brightness in secondary minimum (Mag): 12.400 (P)
  • Created: 6/1/1996
  • Created by: admin
Show list of observations >>
Periodic elements:
  • Period (d): 0.292649500000000
  • Epoch (HJD): 36729.56100
  • Secondary Epoch (HJD): 36729.70700
Change log:

9/1/2026, Filip Walter:

  • Declination: -50.9910555552 → -50.99116597061
  • Right ascension: 342.1940833333 → 342.19424848628
  • Name: YY → YY Gru
  • CI: TwoMass: Null → 2MASS J22484662-5059281
  • CI: Tic: Null → TIC 161270650
  • CI: Other: Null → SON 6502
  • CI: Gsc: Null → GSC 08453-00634
  • CI: Gcvs: Null → YY Gru
  • CI: Gaia: Null → Gaia DR3 6513537570489393920
  • CI: Crts: Null → CRTS J224846.5-505928
  • CI: AsasSnV: Null → ASASSN-V J224846.53-505928.4
  • CI: Asas: Null → ASAS J224846-5059.6

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

2 x

Number of observers

2 x

Last observed before

22 days

O-C diagram
Times of minima / maxima - including records from the original O-C gateway  
P: M = 2436729.561 + 0.2926495 * E
S: M = 2436729.707 + 0.2926495 * E
ID HJDmin Error (+/-) UTCmin Epoch O-C (d) P/S Phot. band Observer Publication Note Instrument
Phase curve
Comments

Timeline