LP 775-28

All names: 2MASS J04320035-1920495, GALEX J043200.4-192051, TIC 139766919, NLTT 13471, Gaia DR3 2978374522004181888, WDJ043200.36-192049.90, PSO J068.0016-19.3480, Gaia EDR3 2978374522004181888, J0432-1920, LP 775-28, Gaia DR2 2978374522004181888

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 Blouin et al. 2019 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 04 32 00.40 (0.04) 04 32 00.40 (0.05) 04 32 00.40 04 32 00.36 (0.04) 04 32 00.40
Declination -19 20 54.05 (0.04) -19 20 53.92 (0.04) -19 20 54.05 -19 20 49.90 (0.04) -19 20 53.92
Spectral type DA DA DA DA DA
Effective temperature [K] 5733.0 (43) 5773.0 (38) 5720.0 (55) 5732.0 5462.0 5781.0 (26)
log(g) [cgs] 8.01 (0.03) 8.04 (0.01) 8.02 (0.03) 8.02 7.84 8.03 (0.01)
Mass [M] 0.592 (0.02) 0.611 (0.01) 0.597 (0.02) 0.597 0.478 0.607 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 2.8300 2.7290 (0.2) 2.6970 2.8930
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] 29.45 (0.05) 29.45 (0.05) 29.42 (0.07) 29.42 (0.07) 29.42 (0.07) 29.45 29.45 (0.05) 29.42 (0.07)
Distance [pc] 33.96 (0.06) 33.96 (0.06) 33.99 (0.08) 33.99 (0.08) 34.00 (0.08) 33.96 33.96 (0.06) 34.00 (0.08)
Composition H H
Proper motion (right ascension) [mas/yr] 35.31877017 (0.05) 35.467 (0.09) 35.319 (0.05) 35.46656799
Proper motion (declination) [mas/yr] -258.8675241 (0.05) -258.872 (0.09) -258.868 (0.05) -258.8723063
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude 16.97
R magnitude 16.72
I magnitude
J magnitude 16.00 (0.08) 16.00 (0.08) 16.00 (0.08)
H magnitude 15.62 (0.1) 15.62 (0.1) 15.62 (0.1)
K magnitude 15.72 (0.2) 15.72 (0.2) 15.72 (0.2)
u magnitude
g magnitude 17.27 (0.02)
r magnitude 16.89 (0.004)
i magnitude 16.73 (0.003)
z magnitude 16.70 (0.006)
G magnitude 16.88 (0.005) 16.89 16.88 16.88 (0.003) 16.89
BP magnitude 17.22 (0.005) 17.23 17.23
RP magnitude 16.39 (0.004) 16.40 16.40
Pan g magnitude 17.27 (0.02) 17.27 (0.02) 17.27 (0.02)
Pan r magnitude 16.89 (0.003) 16.89 (0.004) 16.89 (0.004)
Pan i magnitude 16.73 (0.003) 16.73 (0.003) 16.73 (0.003)
Pan z magnitude 16.70 (0.006) 16.70 (0.006) 16.70 (0.006)
Pan y magnitude 16.70 (0.007) 16.70 (0.006) 16.70 (0.006)
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.