All names: Gaia DR3 3148732406937031936, LSPM J0750+0918, USNO-B1.0 0993-00162839, 2MASS J07503233+0918580, WDJ075032.33+091858.16, SDSS J075032.28+091857.7, Gaia EDR3 3148732406937031936, J0750+0918, Gaia DR2 3148732406937031936, TIC 220593487
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | 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 | 07 50 32.18 (0.1) | 07 50 32.28 | 07 50 32.19 (0.2) | 07 50 32.18 | 07 50 32.33 (0.1) | 07 50 32.19 | 07 50 32.28 | ||||||||
Declination | 09 18 56.75 (0.08) | 09 18 57.71 | 09 18 56.79 (0.09) | 09 18 56.75 | 09 18 58.15 (0.08) | 09 18 56.79 | 09 18 57.74 | ||||||||
Spectral type | DA | DA | DA | DA/STAR: | DA | DA | DA/STAR: | DA | |||||||
Effective temperature | [K] | 5111.0 (20) | 5134.0 (20) | 5112.0 (20) | 5103.0 | 5163.0 (62) | 6300.0 (3) | ||||||||
log(g) | [cgs] | 7.95 (0.01) | 7.98 (0.01) | 7.96 (0.01) | 7.95 | 7.99 (0.03) | 10.00 (0.003) | ||||||||
Mass | [M☉] | 0.549 (0.01) | 0.571 (0.01) | 0.555 (0.01) | 0.552 | 0.575 (0.03) | |||||||||
log(Luminosity) | [L☉] | ||||||||||||||
Cooling age | [Gyr] | 4.8200 | 4.5470 | ||||||||||||
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] | 22.45 (0.1) | 22.59 (0.2) | 22.59 (0.2) | 22.45 | 22.45 (0.1) | 22.59 (0.2) | ||||||||
Distance | [pc] | 44.55 (0.3) | 44.27 (0.4) | 44.26 (0.4) | 44.55 | 44.55 (0.3) | 44.26 (0.4) | ||||||||
Composition | H | H | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | -141.4265174 (0.1) | -140.9701935 (0.3) | -141.427 (0.1) | -140.9701935 | ||||||||||
Proper motion (declination) | [mas/yr] | -87.92425137 (0.09) | -88.08657667 (0.2) | -87.924 (0.09) | -88.08657667 | ||||||||||
Variability | |||||||||||||||
Magnetic | |||||||||||||||
Bd | [MG] | ||||||||||||||
Infrared excess (disk) | |||||||||||||||
Binarity | |||||||||||||||
B magnitude | 18.50 | ||||||||||||||
V magnitude | |||||||||||||||
R magnitude | 17.40 | ||||||||||||||
I magnitude | |||||||||||||||
J magnitude | 16.73 (0.02) | 16.52 (0.2) | |||||||||||||
H magnitude | |||||||||||||||
K magnitude | |||||||||||||||
u magnitude | 20.11 (0.05) | 20.06 (0.04) | 20.11 (0.04) | 20.11 (0.04) | 20.01 (0.04) | ||||||||||
g magnitude | 18.56 (0.008) | 18.56 (0.008) | 18.56 (0.008) | 18.53 (0.01) | |||||||||||
r magnitude | 17.89 (0.006) | 17.89 (0.006) | 17.89 (0.006) | 17.92 (0.01) | |||||||||||
i magnitude | 17.63 (0.007) | 17.63 (0.007) | 17.63 (0.007) | 17.67 (0.01) | |||||||||||
z magnitude | 17.56 (0.01) | 17.55 (0.01) | 17.55 (0.01) | 17.59 (0.02) | |||||||||||
G magnitude | 17.94 (0.02) | 17.96 | 17.94 | 17.94 (0.003) | 17.96 | ||||||||||
BP magnitude | 18.42 (0.02) | 18.41 | 18.41 | ||||||||||||
RP magnitude | 17.34 (0.02) | 17.32 | 17.32 | ||||||||||||
Pan g magnitude | 18.48 (0.007) | 18.48 (0.007) | |||||||||||||
Pan r magnitude | 17.89 (0.005) | 17.89 (0.005) | |||||||||||||
Pan i magnitude | 17.66 (0.008) | 17.66 (0.007) | |||||||||||||
Pan z magnitude | 17.61 (0.004) | 17.61 (0.004) | |||||||||||||
Pan y magnitude | 17.54 (0.02) | 17.54 (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.