All names: Gaia DR3 1588923460393635968, SDSS J150909.39+484613.7, Gaia EDR3 1588923460393635968, USNO-A2.0 1350-08565971, WD 1507+489, Gaia DR2 1588923460393635968, SDSS J150909.36+484613.6, SDSS J150909.39+484613.6, GALEX J150909.4+484613
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 15 09 09.35 (0.1) | 15 09 09.40 | 15 09 09.35 (0.2) | 15 09 09.35 | 15 09 09.41 (0.1) | 15 09 09.39 | 15 09 08.76 | 15 09 09.39 | ||||||
Declination | 48 46 13.65 (0.2) | 48 46 13.64 | 48 46 13.65 (0.2) | 48 46 13.65 | 48 46 13.58 (0.2) | 48 46 13.65 | 48 46 07.68 | 48 46 13.65 | ||||||
Spectral type | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
Effective temperature | [K] | 10857.0 | 11520.0 (220) | 11548.0 (521) | 11202.0 (115) | 11163.0 (119) | ||||||||
log(g) | [cgs] | 7.82 | 8.26 (0.09) | 7.88 (0.07) | 8.14 (0.08) | 8.22 (0.08) | ||||||||
Mass | [M☉] | 0.504 | 0.77 (0.06) | 0.536 (0.06) | 0.731 (0.05) | |||||||||
log(Luminosity) | [L☉] | |||||||||||||
Cooling age | [Gyr] | 0.3912 | 0.6457 | |||||||||||
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] | 3.66 (0.2) | 3.67 (0.2) | 3.66 | 3.66 (0.2) | |||||||||
Distance | [pc] | 273.27 (13) | 272.12 (18) | 273.27 | 273.27 (13) | |||||||||
Composition | H | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | -34.0600529 (0.2) | -34.59468659 (0.4) | -34.06 (0.2) | -30.1 | |||||||||
Proper motion (declination) | [mas/yr] | 4.834126036 (0.2) | 4.601202654 (0.5) | 4.834 (0.2) | 5.0 | |||||||||
Variability | ||||||||||||||
Magnetic | ||||||||||||||
Bd | [MG] | |||||||||||||
Infrared excess (disk) | ||||||||||||||
Binarity | ||||||||||||||
B magnitude | 18.10 (0.3) | |||||||||||||
V magnitude | ||||||||||||||
R magnitude | 18.70 (0.3) | |||||||||||||
I magnitude | ||||||||||||||
J magnitude | ||||||||||||||
H magnitude | ||||||||||||||
K magnitude | ||||||||||||||
u magnitude | 19.14 (0.02) | 19.14 (0.02) | 19.14 (0.03) | 19.13 | 19.13 (0.03) | |||||||||
g magnitude | 18.83 (0.008) | 18.83 (0.008) | 18.84 (0.02) | 18.83 | 18.84 (0.02) | |||||||||
r magnitude | 18.83 (0.01) | 18.83 (0.01) | 18.82 (0.02) | 18.81 | 18.83 (0.02) | |||||||||
i magnitude | 18.97 (0.01) | 18.97 (0.01) | 18.97 (0.02) | 18.96 | 18.99 (0.02) | |||||||||
z magnitude | 19.44 (0.06) | 19.44 (0.06) | 19.42 (0.06) | 19.41 | 19.43 (0.06) | |||||||||
G magnitude | 18.83 (0.02) | 18.87 | 18.83 | 18.83 (0.004) | ||||||||||
BP magnitude | 18.88 (0.02) | 18.84 | ||||||||||||
RP magnitude | 18.85 (0.04) | 18.75 | ||||||||||||
Pan g magnitude | 18.80 (0.008) | |||||||||||||
Pan r magnitude | 18.94 (0.01) | |||||||||||||
Pan i magnitude | 19.11 (0.009) | |||||||||||||
Pan z magnitude | 19.35 (0.01) | |||||||||||||
Pan y magnitude | 19.42 (0.03) | |||||||||||||
E(B-V) | 0.019 |
* 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.