All names: Gaia EDR3 4561641991506408448, WIRED J170401.50+200700.9, WDJ170401.50+200700.65, SDSS J170401.50+200700.9, PSO J256.0062+20.1171, Gaia DR2 4561641991506408448, TIC 355926531, 2MASS J17040151+2007005, Gaia DR3 4561641991506408448, J1704+2007
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 17 04 01.51 (0.04) | 17 04 01.50 | 17 04 01.51 (0.05) | 17 04 01.51 | 17 04 01.50 (0.04) | 17 04 01.51 | 17 04 01.50 | |||||||||
Declination | 20 07 02.04 (0.05) | 20 07 00.95 | 20 07 02.00 (0.06) | 20 07 02.04 | 20 07 00.65 (0.05) | 20 07 02.00 | 20 07 00.94 | |||||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | |||||||
Effective temperature | [K] | 6351.0 (26) | 6361.0 (24) | 6351.0 (27) | 6280.0 (50) | 6299.0 | 6247.0 (42) | 6307.0 (11) | ||||||||
log(g) | [cgs] | 8.04 (0.009) | 8.04 (0.008) | 8.04 (0.009) | 8.02 (0.02) | 8.02 | 7.99 (0.01) | 7.98 (0.07) | ||||||||
Mass | [M☉] | 0.615 (0.007) | 0.616 (0.008) | 0.613 (0.008) | 0.602 (0.01) | 0.601 | 0.582 (0.01) | 0.58 (0.04) | ||||||||
log(Luminosity) | [L☉] | |||||||||||||||
Cooling age | [Gyr] | 2.1400 | 2.0740 (0.1) | 2.0550 | ||||||||||||
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] | 19.15 (0.07) | 19.12 (0.08) | 19.12 (0.08) | 19.12 (0.08) | 19.15 | 19.15 (0.07) | 19.12 (0.08) | ||||||||
Distance | [pc] | 52.22 (0.2) | 52.30 (0.2) | 52.31 (0.2) | 52.31 (0.2) | 52.22 | 52.22 (0.2) | 52.31 (0.2) | ||||||||
Composition | H | H | H | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | 3.322659928 (0.06) | 3.476742063 (0.1) | 3.323 (0.06) | 3.476742062 | |||||||||||
Proper motion (declination) | [mas/yr] | 87.01772716 (0.06) | 87.13307182 (0.1) | 87.018 (0.06) | 87.13307182 | |||||||||||
Variability | ||||||||||||||||
Magnetic | ||||||||||||||||
Bd | [MG] | |||||||||||||||
Infrared excess (disk) | ||||||||||||||||
Binarity | ||||||||||||||||
B magnitude | ||||||||||||||||
V magnitude | ||||||||||||||||
R magnitude | ||||||||||||||||
I magnitude | ||||||||||||||||
J magnitude | 16.61 (0.01) | 16.70 (0.1) | 16.70 (0.1) | |||||||||||||
H magnitude | 16.46 (0.2) | 16.46 (0.2) | 16.46 (0.2) | |||||||||||||
K magnitude | 16.07 (0.2) | 16.07 (0.2) | ||||||||||||||
u magnitude | 18.45 (0.02) | 18.45 (0.02) | 18.45 (0.01) | 18.45 (0.01) | 18.46 (0.02) | |||||||||||
g magnitude | 17.76 (0.006) | 17.72 (0.005) | 17.76 (0.006) | 17.77 (0.01) | ||||||||||||
r magnitude | 17.45 (0.006) | 17.46 (0.003) | 17.45 (0.006) | 17.44 (0.01) | ||||||||||||
i magnitude | 17.36 (0.007) | 17.36 (0.003) | 17.36 (0.007) | 17.33 (0.01) | ||||||||||||
z magnitude | 17.37 (0.01) | 17.37 (0.009) | 17.37 (0.01) | 17.37 (0.02) | ||||||||||||
G magnitude | 17.44 (0.007) | 17.46 | 17.44 | 17.44 (0.003) | 17.46 | |||||||||||
BP magnitude | 17.71 (0.007) | 17.72 | 17.72 | |||||||||||||
RP magnitude | 17.01 (0.007) | 17.02 | 17.02 | |||||||||||||
Pan g magnitude | 17.72 (0.005) | 17.72 (0.005) | 17.72 (0.005) | |||||||||||||
Pan r magnitude | 17.46 (0.002) | 17.46 (0.003) | 17.46 (0.003) | |||||||||||||
Pan i magnitude | 17.36 (0.003) | 17.36 (0.003) | 17.36 (0.003) | |||||||||||||
Pan z magnitude | 17.37 (0.01) | 17.37 (0.009) | 17.37 (0.009) | |||||||||||||
Pan y magnitude | 17.38 (0.01) | 17.38 (0.01) | 17.38 (0.01) | |||||||||||||
E(B-V) | 0.003 |
* 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.