All names: SDSS J120843.32+542946.8, Gaia EDR3 1573121554156399872, TIC 55762711, WD 1206+547, SDSS J120843.33+542946.8, 2MASS J12084330+5429471, SDSS J120843.31+542946.9, J1208+5429, Gaia DR2 1573121554156399872, Gaia DR3 1573121554156399872, SDSS J120843.33+542946.9, WDJ120843.33+542947.08, PSO J182.1801+54.4959, SDSS J120843.32+542946.9, GALEX J120843.3+542946
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 | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 12 08 43.23 (0.04) | 12 08 43.32 | 12 08 43.24 (0.06) | 12 08 43.23 | 12 08 43.33 (0.04) | 12 08 43.24 | 12 08 43.33 | 12 08 42.70 | 12 08 43.33 | ||||||||||
Declination | 54 29 45.39 (0.04) | 54 29 46.90 | 54 29 45.44 (0.06) | 54 29 45.39 | 54 29 47.07 (0.04) | 54 29 45.44 | 54 29 46.87 | 54 29 42.72 | 54 29 46.87 | ||||||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
Effective temperature | [K] | 7853.0 (73) | 8018.0 (62) | 7850.0 (72) | 7800.0 (105) | 7873.0 | 8000.0 (30) | 7819.0 (71) | 8326.0 (23) | 7839.0 (27) | |||||||||
log(g) | [cgs] | 8.02 (0.01) | 8.09 (0.01) | 8.04 (0.02) | 8.03 (0.03) | 8.04 | 8.36 (0.05) | 8.01 (0.02) | 8.53 (0.04) | 8.07 (0.04) | |||||||||
Mass | [M☉] | 0.605 (0.01) | 0.652 (0.01) | 0.617 (0.01) | 0.613 (0.02) | 0.62 | 0.82 (0.03) | 0.597 (0.01) | 0.635 (0.03) | ||||||||||
log(Luminosity) | [L☉] | ||||||||||||||||||
Cooling age | [Gyr] | 1.2700 | 1.2000 (0.07) | 1.1890 | 2.0893 | ||||||||||||||
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] | 14.97 (0.06) | 15.17 (0.09) | 15.17 (0.09) | 15.17 (0.09) | 14.97 | 14.97 (0.06) | 15.17 (0.09) | |||||||||||
Distance | [pc] | 66.82 (0.3) | 65.92 (0.4) | 65.92 (0.4) | 65.92 (0.4) | 66.82 | 66.82 (0.3) | 65.92 (0.4) | |||||||||||
Composition | H | H | H | H | H | ||||||||||||||
Proper motion (right ascension) | [mas/yr] | -52.63362667 (0.05) | -52.61468798 (0.1) | -52.634 (0.05) | -52.615 | -95.2 | |||||||||||||
Proper motion (declination) | [mas/yr] | -105.1873922 (0.06) | -105.3591747 (0.1) | -105.187 (0.06) | -105.359 | -92.8 | |||||||||||||
Variability | |||||||||||||||||||
Magnetic | |||||||||||||||||||
Bd | [MG] | ||||||||||||||||||
Infrared excess (disk) | |||||||||||||||||||
Binarity | |||||||||||||||||||
B magnitude | |||||||||||||||||||
V magnitude | |||||||||||||||||||
R magnitude | |||||||||||||||||||
I magnitude | |||||||||||||||||||
J magnitude | 16.78 (0.02) | 16.63 (0.1) | 16.63 (0.1) | ||||||||||||||||
H magnitude | 16.55 (0.3) | 16.55 (0.3) | 16.55 (0.3) | ||||||||||||||||
K magnitude | |||||||||||||||||||
u magnitude | 17.73 (0.01) | 17.74 (0.01) | 17.73 (0.01) | 17.73 (0.01) | 17.75 (0.05) | 17.74 | 17.76 (0.05) | ||||||||||||
g magnitude | 17.26 (0.005) | 17.27 (0.01) | 17.26 (0.005) | 17.23 (0.04) | 17.22 | 17.22 (0.04) | |||||||||||||
r magnitude | 17.17 (0.005) | 17.21 (0.004) | 17.17 (0.005) | 17.18 (0.01) | 17.17 | 17.16 (0.01) | |||||||||||||
i magnitude | 17.22 (0.006) | 17.23 (0.004) | 17.22 (0.006) | 17.26 (0.02) | 17.25 | 17.25 (0.02) | |||||||||||||
z magnitude | 17.33 (0.01) | 17.31 (0.009) | 17.33 (0.01) | 17.29 (0.02) | 17.28 | 17.30 (0.02) | |||||||||||||
G magnitude | 17.15 (0.006) | 17.16 | 17.15 | 17.15 (0.003) | 17.16 | ||||||||||||||
BP magnitude | 17.28 (0.006) | 17.28 | 17.28 | ||||||||||||||||
RP magnitude | 16.91 (0.004) | 16.93 | 16.93 | ||||||||||||||||
Pan g magnitude | 17.27 (0.008) | 17.27 (0.01) | 17.27 (0.01) | ||||||||||||||||
Pan r magnitude | 17.21 (0.004) | 17.21 (0.004) | 17.21 (0.004) | ||||||||||||||||
Pan i magnitude | 17.23 (0.004) | 17.23 (0.004) | 17.23 (0.004) | ||||||||||||||||
Pan z magnitude | 17.31 (0.008) | 17.31 (0.009) | 17.31 (0.009) | ||||||||||||||||
Pan y magnitude | 17.38 (0.009) | 17.38 (0.009) | 17.38 (0.009) | ||||||||||||||||
E(B-V) | 0.004 |
* 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.