All names: Gaia DR2 668317840636534912, PSO J117.6097+17.6745, PM J07504+1740, TIC 17672361, Gaia EDR3 668317840636534912, GALEX J075026.3+174029, J0750+1740, WDJ075026.27+174030.27, Gaia DR3 668317840636534912, WIRED J075026.29+174029.7, 2MASS J07502627+1740304, SDSS J075026.29+174029.8, SDSS J075026.30+174029.3, 07504+1740, SDSS J075026.29+174029.7
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 | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 07 50 26.34 (0.09) | 07 50 26.30 | 07 50 26.34 (0.09) | 07 50 26.34 | 07 50 26.27 (0.09) | 07 50 26.34 | 07 50 26.29 | ||||||||||
Declination | 17 40 28.32 (0.06) | 17 40 29.34 | 17 40 28.38 (0.06) | 17 40 28.32 | 17 40 30.27 (0.06) | 17 40 28.38 | 17 40 29.75 | ||||||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 7041.0 (30) | 7148.0 (27) | 7041.0 (30) | 6940.0 (65) | 6934.0 | 6900.0 (103) | 7202.0 (70) | 6820.0 (24) | ||||||||
log(g) | [cgs] | 8.04 (0.008) | 8.08 (0.009) | 8.04 (0.01) | 8.02 (0.02) | 8.01 | 8.01 (0.08) | 8.08 (0.02) | 7.80 (0.05) | ||||||||
Mass | [M☉] | 0.617 (0.008) | 0.641 (0.008) | 0.619 (0.008) | 0.606 (0.01) | 0.599 | 0.6 (0.05) | 0.643 (0.01) | 0.492 (0.03) | ||||||||
log(Luminosity) | [L☉] | -3.48 | |||||||||||||||
Cooling age | [Gyr] | 1.6800 | 1.6070 (0.07) | 1.5830 | |||||||||||||
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] | 18.90 (0.09) | 18.93 (0.1) | 18.93 (0.1) | 18.93 (0.1) | 18.90 | 18.90 (0.09) | 18.93 (0.1) | |||||||||
Distance | [pc] | 52.92 (0.3) | 52.83 (0.3) | 52.82 (0.3) | 52.82 (0.3) | 51.20 (1) | 52.92 | 52.92 (0.3) | 52.82 (0.3) | ||||||||
Composition | H | H | H | H | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | 60.58373869 (0.1) | 60.38243742 (0.2) | 59.0 | 60.584 (0.1) | 60.382 | |||||||||||
Proper motion (declination) | [mas/yr] | -121.7066198 (0.06) | -121.6977779 (0.1) | -112.0 | -121.707 (0.06) | -121.698 | |||||||||||
Variability | |||||||||||||||||
Magnetic | |||||||||||||||||
Bd | [MG] | ||||||||||||||||
Infrared excess (disk) | |||||||||||||||||
Binarity | |||||||||||||||||
B magnitude | |||||||||||||||||
V magnitude | |||||||||||||||||
R magnitude | |||||||||||||||||
I magnitude | |||||||||||||||||
J magnitude | 16.46 (0.01) | 16.84 (0.2) | 16.84 | 16.84 (0.2) | |||||||||||||
H magnitude | 16.32 (0.3) | 16.32 (0.3) | 16.32 | 16.32 (0.1) | |||||||||||||
K magnitude | 15.74 (0.3) | 15.74 (0.3) | 15.74 | 15.74 (0.1) | |||||||||||||
u magnitude | 17.82 (0.01) | 17.77 (0.01) | 17.77 | 17.82 (0.01) | 17.89 (0.01) | 17.78 (0.02) | |||||||||||
g magnitude | 17.30 (0.005) | 17.26 | 17.29 (0.004) | 17.30 (0.005) | 17.27 (0.01) | ||||||||||||
r magnitude | 17.11 (0.005) | 17.08 | 17.12 (0.008) | 17.12 (0.005) | 17.07 (0.01) | ||||||||||||
i magnitude | 17.07 (0.005) | 17.04 | 17.10 (0.003) | 17.08 (0.005) | 17.03 (0.02) | ||||||||||||
z magnitude | 17.11 (0.01) | 17.11 | 17.11 (0.003) | 17.09 (0.01) | 17.10 (0.02) | ||||||||||||
G magnitude | 17.07 (0.006) | 17.09 | 17.07 | 17.07 (0.003) | 17.09 | ||||||||||||
BP magnitude | 17.25 (0.006) | 17.24 | 17.24 | ||||||||||||||
RP magnitude | 16.74 (0.005) | 16.74 | 16.74 | ||||||||||||||
Pan g magnitude | 17.29 (0.003) | 17.29 (0.004) | 17.29 (0.004) | ||||||||||||||
Pan r magnitude | 17.12 (0.009) | 17.12 (0.008) | 17.12 (0.008) | ||||||||||||||
Pan i magnitude | 17.10 (0.004) | 17.10 (0.003) | 17.10 (0.003) | ||||||||||||||
Pan z magnitude | 17.11 (0.003) | 17.11 (0.003) | 17.11 (0.003) | ||||||||||||||
Pan y magnitude | 17.15 (0.02) | 17.15 (0.02) | 17.15 (0.02) | ||||||||||||||
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.