Gaia DR2 439905192004402304

All names: J0308+5128, Gaia DR3 439905192004402304, Gaia EDR3 439905192004402304, WDJ030850.43+512822.31, 2MASS J03085045+5128225, TIC 116984814, Gaia DR2 439905192004402304, WDJ030850.43+512822.32

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 McCleery et al. 2020 Tremblay et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 03 08 50.61 (0.06) 03 08 50.60 (0.08) 03 08 50.60 03 08 50.61 03 08 50.43 (0.06) 03 08 50.60
Declination 51 28 19.49 (0.07) 51 28 19.58 (0.07) 51 28 19.58 51 28 19.49 51 28 22.32 (0.07) 51 28 19.58
Spectral type DA DA DA DA DA DA
Effective temperature [K] 5225.0 (49) 5178.0 (20) 5090.8 (41) 5090.0 (40) 5195.0 4884.0 5321.0 (30)
log(g) [cgs] 8.00 (0.04) 7.98 (0.01) 7.92 (0.04) 7.92 (0.04) 7.99 7.78 8.06 (0.01)
Mass [M] 0.583 (0.02) 0.568 (0.009) 0.575 0.442 0.621 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 4.4300 4.5500 3.8770
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] 27.21 (0.09) 27.21 (0.09) 27.25 (0.1) 27.25 (0.1) 27.25 (0.1) 27.21 27.21 (0.09) 27.25 (0.1)
Distance [pc] 36.75 (0.1) 36.75 (0.1) 36.70 (0.1) 36.70 (0.1) 36.70 (0.1) 36.75 36.75 (0.1) 36.70 (0.1)
Composition H H
Proper motion (right ascension) [mas/yr] 107.076199 (0.08) 107.4149981 (0.3) 107.076 (0.08) 107.4149981
Proper motion (declination) [mas/yr] -177.040513 (0.1) -176.6529321 (0.2) -177.041 (0.1) -176.6529321
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.23 (0.1) 16.23 (0.1)
H magnitude 15.85 (0.1) 15.85 (0.1)
K magnitude 15.59 (0.2) 15.59 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.49 (0.009) 17.50 17.50 17.49 17.49 (0.003) 17.50
BP magnitude 17.92 (0.009) 17.94 17.94
RP magnitude 16.89 (0.005) 16.89 16.89
Pan g magnitude 18.00 (0.008) 18.00 (0.006)
Pan r magnitude 17.45 (0.003) 17.45 (0.002)
Pan i magnitude 17.25 (0.007) 17.25 (0.007)
Pan z magnitude 17.17 (0.005) 17.17 (0.005)
Pan y magnitude 17.11 (0.007) 17.11 (0.009)
E(B-V) 0.001

* 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.