PG 0816+297

All names: SDSS J081933.29+293334.3, WDJ081933.29+293334.55, 2MASS J08193327+2933344, Gaia DR3 708292166410436608, PG 0816+297, TIC 462513335, LAMOST J081933.29+293333.3, SDSS J081933.28+293334.3, SDSS J081933.29+293334.1, J0819+2933, Gaia EDR3 708292166410436608, WD 0816+297, Gaia DR2 708292166410436608, GALEX J081933.3+293334

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Guo et al. 2015 Gianninas et al. 2011 Liebert et al. 2005 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 08 19 33.29 (0.04) 08 19 33.29 (0.05) 08 19 33.29 08 19 33.29 (0.04) 08 19 33.29 08 19 33.07
Declination 29 33 32.62 (0.03) 29 33 32.68 (0.04) 29 33 32.62 29 33 34.55 (0.03) 29 33 32.68 29 33 38.52
Spectral type DA DA DA DA DA DA DA2.9 DA3
Effective temperature [K] 17064.0 (222) 17064.0 (222) 15732.0 16371.0 (371) 17200.0 (276) 16660.0 (267) 17273.0 (239)
log(g) [cgs] 7.92 (0.01) 7.92 (0.01) 7.83 7.79 (0.08) 7.93 (0.05) 7.84 (0.05) 7.94 (0.01)
Mass [M] 0.571 (0.008) 0.571 (0.009) 0.52 0.5 (0.04) 0.58 (0.03) 0.53 (0.03) 0.582 (0.01)
log(Luminosity) [L] -1.83
Cooling age [Gyr] 0.1262 0.1288
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] 10.63 (0.04) 10.63 (0.07) 10.63 10.63 (0.04) 10.63 (0.07)
Distance [pc] 94.04 (0.4) 94.06 (0.6) 100.00 105.00 94.04 94.05 (0.4) 94.06 (0.6)
Composition H H H
Proper motion (right ascension) [mas/yr] 5.31667923 (0.04) 5.205796016 (0.1) 5.317 (0.04) 5.205796015
Proper motion (declination) [mas/yr] -120.3686557 (0.03) -120.3174705 (0.07) -120.369 (0.03) -120.3174705
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.95
V magnitude 15.93
R magnitude
I magnitude
J magnitude 16.27 (0.01)
H magnitude 16.27 (0.02)
K magnitude 16.31 (0.04)
u magnitude 15.81 (0.005) 15.82 (0.005)
g magnitude 15.65 (0.003) 15.63 (0.003)
r magnitude 15.99 (0.004) 15.98 (0.004)
i magnitude 16.25 (0.004) 16.24 (0.004)
z magnitude 16.53 (0.008) 16.53 (0.009)
G magnitude 15.83 (0.003) 15.85 15.83 15.83 (0.003) 15.85
BP magnitude 15.77 (0.003) 15.75 15.75
RP magnitude 15.97 (0.006) 15.97 15.97
Pan g magnitude 15.70 (0.006)
Pan r magnitude 16.00 (0.002)
Pan i magnitude 16.28 (0.002)
Pan z magnitude 16.54 (0.004)
Pan y magnitude 16.68 (0.01)
E(B-V) 0.003

* 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.