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
Spectra without link are available upon request
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.