All names: Gaia DR3 1680532535836237440, Gaia DR2 1680532535836237440, LSPM J1234+6605, SDSS J123444.86+660508.8, SDSS J123444.88+660508.9, USNO-B1.0 1560-00139776, Gaia EDR3 1680532535836237440, J1234+6605, WDJ123444.89+660508.88, WD 1232+663, SDSS J123444.87+660508.8
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 12 34 44.40 (0.1) | 12 34 44.42 (0.2) | 12 34 44.40 | 12 34 44.89 (0.1) | 12 34 44.42 | 12 34 44.57 | ||||||
Declination | 66 05 07.61 (0.2) | 66 05 07.65 (0.2) | 66 05 07.61 | 66 05 08.88 (0.2) | 66 05 07.65 | 66 05 04.92 | ||||||
Spectral type | DA | DA | DA | DA | DA | DA9.3 | ||||||
Effective temperature | [K] | 5359.0 (35) | 5308.0 (36) | 5312.0 | 5485.0 (98) | |||||||
log(g) | [cgs] | 8.04 (0.02) | 8.01 (0.02) | 8.01 | 8.09 (0.04) | |||||||
Mass | [M☉] | 0.609 (0.02) | 0.586 (0.02) | 0.588 | 0.639 (0.04) | |||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 4.2100 | 4.1610 | |||||||||
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] | 14.55 (0.2) | 14.58 (0.2) | 14.58 (0.2) | 14.55 | 14.55 (0.2) | 14.58 (0.2) | |||||
Distance | [pc] | 68.74 (0.9) | 68.59 (1) | 68.57 (1) | 68.74 | 68.74 (0.9) | 68.57 (1) | |||||
Composition | H | H | ||||||||||
Proper motion (right ascension) | [mas/yr] | -186.3577341 (0.2) | -187.0300178 (0.3) | -186.358 (0.2) | -187.0300178 | |||||||
Proper motion (declination) | [mas/yr] | -79.52252228 (0.2) | -79.42341294 (0.3) | -79.523 (0.2) | -79.42341294 | |||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | 19.70 | |||||||||||
V magnitude | ||||||||||||
R magnitude | 18.60 | |||||||||||
I magnitude | ||||||||||||
J magnitude | 17.56 (0.04) | 17.56 (0.04) | ||||||||||
H magnitude | 17.38 (0.04) | 17.38 (0.04) | ||||||||||
K magnitude | 17.24 (0.05) | 17.24 (0.05) | ||||||||||
u magnitude | 20.64 (0.07) | 20.69 (0.07) | 20.85 (0.09) | 20.81 | ||||||||
g magnitude | 19.34 (0.01) | 19.33 (0.01) | 19.31 | |||||||||
r magnitude | 18.76 (0.01) | 18.73 (0.01) | 18.73 | |||||||||
i magnitude | 18.50 (0.01) | 18.54 (0.01) | 18.55 | |||||||||
z magnitude | 18.41 (0.03) | 18.36 (0.03) | 18.38 | |||||||||
G magnitude | 18.77 (0.04) | 18.80 | 18.77 | 18.77 (0.003) | 18.80 | |||||||
BP magnitude | 19.14 (0.04) | 19.17 | 19.17 | |||||||||
RP magnitude | 18.24 (0.03) | 18.22 | 18.22 | |||||||||
Pan g magnitude | 19.24 (0.01) | 19.24 (0.01) | ||||||||||
Pan r magnitude | 18.74 (0.008) | 18.74 (0.008) | ||||||||||
Pan i magnitude | 18.53 (0.007) | 18.53 (0.009) | ||||||||||
Pan z magnitude | 18.47 (0.009) | 18.47 (0.008) | ||||||||||
Pan y magnitude | 18.44 (0.02) | 18.44 (0.02) | ||||||||||
E(B-V) | 0.005 |
* 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.