GD 765

All names: Gaia DR2 2468060664104501376, TIC 419013508, EGGR 514, GD 765, BPS CS 22166-0026, GALEX J010522.0-135909, Gaia DR3 2468060664104501376, WD0102-142, Gaia EDR3 2468060664104501376, PHL 980, WD 0102-142, 2MASS J01052212-1359113, USNO-B1.0 0760-00011619, MCT 0102-1415, EC 01028-1415

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Koester et al. 2009 Koester et al. 2001 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 01 05 22.16 (0.04) 01 05 22.16 (0.06) 01 05 22.20 01 05 22.16 01 05 22.11 (0.04) 01 05 21.12
Declination -13 59 10.17 (0.03) -13 59 10.20 (0.05) -13 59 13.00 -13 59 10.17 -13 59 10.97 (0.03) -13 59 02.76
Spectral type DA DA DA DA DA2.4 DA
Effective temperature [K] 18335.0 20950.0 (332) 19945.0 (29) 19695.0 (64) 19713.0 (268)
log(g) [cgs] 7.82 7.99 (0.05) 7.86 (0.005) 7.84 (0.01) 7.92 (0.01)
Mass [M] 0.524 0.62 (0.03) 0.54 0.58 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.0679
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] 8.51 (0.06) 8.42 (0.07) 8.51 8.51 (0.06)
Distance [pc] 117.49 (0.8) 118.76 (1) 161.00 117.49 117.49 (0.8)
Composition H H
Proper motion (right ascension) [mas/yr] 45.50495357 (0.06) 45.43636583 (0.2) 45.505 (0.06)
Proper motion (declination) [mas/yr] 49.62264988 (0.07) 49.84830975 (0.1) 49.623 (0.07)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.93 15.93 15.96
V magnitude 16.04
R magnitude 16.20
I magnitude
J magnitude 16.43 (0.1)
H magnitude 16.54 (0.3)
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.05 (0.003) 16.06 16.05 16.05 (0.003)
BP magnitude 15.96 (0.003) 15.92
RP magnitude 16.23 (0.004) 16.22
Pan g magnitude 15.90 (0.007)
Pan r magnitude 16.23 (0.004)
Pan i magnitude 16.55 (0.004)
Pan z magnitude 16.80 (0.005)
Pan y magnitude 16.97 (0.006)
E(B-V) 0.002

* 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.