LP 777-3

All names: Gaia DR3 2986473765172532864, Gaia EDR3 2986473765172532864, WDJ050836.43-152312.42, TIC 169419074, LP 777-3, LHS 1739, J0508-1523, PSO J077.1525-15.3847, Gaia DR2 2986473765172532864, 0506-154, NLTT 14558, 2MASS J05083641-1523131

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 Blouin et al. 2019 Leggett et al. 2018 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 05 08 36.66 (0.06) 05 08 36.66 (0.07) 05 08 36.66 05 08 36.43 (0.06) 05 08 36.66
Declination -15 23 03.12 (0.06) -15 23 03.41 (0.09) -15 23 03.12 -15 23 12.41 (0.06) -15 23 03.41
Spectral type DA DA DA DA9.7 DA: DA
Effective temperature [K] 5167.0 (46) 5295.0 (25) 5215.0 (40) 5219.0 (101) 5206.0 4895.0 5287.0 (30)
log(g) [cgs] 8.03 (0.04) 8.12 (0.01) 8.07 (0.02) 8.11 (0.05) 8.06 7.85 8.11 (0.01)
Mass [M] 0.601 (0.02) 0.655 (0.01) 0.624 (0.01) 0.647 (0.04) 0.616 0.48 0.65 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 5.5100 5.4230 (0.4) 5.7940 (0.7) 5.3200 4.5660
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 26.71 (0.08) 26.71 (0.08) 26.66 (0.1) 26.66 (0.1) 27.38 (0.4) 26.66 (0.1) 26.71 26.71 (0.08) 26.66 (0.1)
Distance [pc] 37.44 (0.1) 37.44 (0.1) 37.51 (0.1) 37.50 (0.1) 36.52 (0.6) 37.50 (0.1) 37.44 37.44 (0.1) 37.50 (0.1)
Composition H H
Proper motion (right ascension) [mas/yr] 215.6559304 (0.08) 215.554 (0.2) 215.656 (0.08) 215.5540231
Proper motion (declination) [mas/yr] 581.0739979 (0.08) 581.176 (0.2) 581.074 (0.08) 581.176335
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.50
V magnitude 17.72
R magnitude
I magnitude
J magnitude 16.44 (0.1) 16.47 (0.1) 16.47 (0.1)
H magnitude 16.06 (0.2) 16.06 (0.2) 16.06 (0.2)
K magnitude 16.10 (0.04)
u magnitude
g magnitude 18.12 (0.008)
r magnitude 17.59 (0.006)
i magnitude 17.37 (0.005)
z magnitude 17.32 (0.005)
G magnitude 17.61 (0.008) 17.63 17.61 17.61 (0.003) 17.63
BP magnitude 18.06 (0.008) 18.08 18.08
RP magnitude 17.02 (0.005) 17.03 17.03
Pan g magnitude 18.12 (0.009) 18.12 (0.008) 18.12 (0.008)
Pan r magnitude 17.59 (0.006) 17.59 (0.006) 17.59 (0.006)
Pan i magnitude 17.37 (0.006) 17.37 (0.005) 17.36 (0.005)
Pan z magnitude 17.32 (0.005) 17.32 (0.005) 17.32 (0.005)
Pan y magnitude 17.23 (0.01) 17.23 (0.01) 17.23 (0.01)
E(B-V) 0.000

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.