All names: SDSS J125925.90+044209.6, J1259+0442, Gaia DR2 3705109338109763712, LSPM J1259+0442, WDJ125925.89+044209.74, Gaia DR3 3705109338109763712, USNO-B1.0 0947-00210937, WD 1256+049, Gaia EDR3 3705109338109763712, SDSS J125925.91+044209.6
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 12 59 26.10 (0.2) | 12 59 26.09 (0.2) | 12 59 26.10 | 12 59 25.89 (0.2) | 12 59 26.09 | 12 59 25.34 | |||||||
Declination | 04 42 08.79 (0.1) | 04 42 08.82 (0.2) | 04 42 08.79 | 04 42 09.75 (0.1) | 04 42 08.82 | 04 42 01.80 | |||||||
Spectral type | DC | DC | DC | DC | DC | DC | DC10.4 | ||||||
Effective temperature | [K] | 4751.0 (23) | 4807.0 (23) | 4765.0 | 4448.0 | 4748.0 (63) | |||||||
log(g) | [cgs] | 7.93 (0.02) | 8.03 (0.02) | 7.98 | 7.75 | 7.93 (0.04) | |||||||
Mass | [M☉] | 0.539 (0.02) | 0.597 (0.02) | 0.568 | 0.43 | 0.536 (0.03) | |||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 7.3200 | 6.5090 | 4.7430 | |||||||||
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] | 18.86 (0.2) | 19.30 (0.3) | 19.30 (0.3) | 18.86 | 18.86 (0.2) | 19.30 (0.3) | ||||||
Distance | [pc] | 53.03 (0.6) | 51.81 (0.8) | 51.81 (0.8) | 53.03 | 53.03 (0.6) | 51.81 (0.8) | ||||||
Composition | H | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | 194.6267271 (0.3) | 194.6317198 (0.6) | 194.627 (0.3) | 194.6317198 | ||||||||
Proper motion (declination) | [mas/yr] | -60.01723524 (0.3) | -59.50031125 (0.5) | -60.017 (0.3) | -59.50031125 | ||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | 19.60 | ||||||||||||
V magnitude | |||||||||||||
R magnitude | 18.60 | ||||||||||||
I magnitude | |||||||||||||
J magnitude | 17.39 (0.06) | 17.39 (0.06) | |||||||||||
H magnitude | 17.18 (0.06) | 17.18 (0.06) | |||||||||||
K magnitude | 16.90 (0.1) | 16.90 (0.1) | |||||||||||
u magnitude | 21.26 (0.09) | 21.25 (0.09) | 21.25 (0.09) | 21.27 | |||||||||
g magnitude | 19.45 (0.01) | 19.45 (0.01) | 19.43 | ||||||||||
r magnitude | 18.61 (0.009) | 18.61 (0.009) | 18.61 | ||||||||||
i magnitude | 18.32 (0.01) | 18.32 (0.01) | 18.32 | ||||||||||
z magnitude | 18.20 (0.03) | 18.20 (0.03) | 18.24 | ||||||||||
G magnitude | 18.66 (0.03) | 18.68 | 18.66 | 18.66 (0.003) | 18.68 | ||||||||
BP magnitude | 19.17 (0.03) | 19.24 | 19.24 | ||||||||||
RP magnitude | 17.98 (0.01) | 17.96 | 17.96 | ||||||||||
Pan g magnitude | 19.31 (0.006) | 19.31 (0.006) | |||||||||||
Pan r magnitude | 18.61 (0.005) | 18.61 (0.006) | |||||||||||
Pan i magnitude | 18.32 (0.008) | 18.32 (0.01) | |||||||||||
Pan z magnitude | 18.22 (0.009) | 18.22 (0.009) | |||||||||||
Pan y magnitude | 18.16 (0.02) | 18.16 (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.