All names: Gaia DR3 3933031020441648384, WDJ123150.23+145205.91, TIC 87498419, Gaia EDR3 3933031020441648384, J1231+1452, 2MASS J12315021+1452060, LSPM J1231+1452, WD 1229+151, Gaia DR2 3933031020441648384, SDSS J123150.27+145205.5, PSO J187.9598+14.8678, USNO-B1.0 1048-00212078
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Caron et al. 2023 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Sayres et al. 2012 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 31 50.36 (0.1) | 12 31 50.27 | 12 31 50.36 (0.2) | 12 31 50.23 | 12 31 50.36 | 12 31 50.23 (0.1) | 12 31 50.36 | ||||||||
| Declination | 14 52 04.25 (0.1) | 14 52 05.54 | 14 52 04.31 (0.1) | 14 52 05.80 | 14 52 04.25 | 14 52 05.91 (0.1) | 14 52 04.31 | ||||||||
| Spectral type | DA | DA | DA7.5 | DA | DA7.5 | DA | |||||||||
| Effective temperature | [K] | 5792.0 (25) | 5740.0 (50) | 5749.0 | 5474.0 | 5840.0 (40) | 5694.0 (77) | ||||||||
| log(g) | [cgs] | 8.38 (0.01) | 8.35 (0.03) | 8.35 | 8.20 | 8.33 (0.03) | |||||||||
| Mass | [M☉] | 0.832 (0.01) | 0.815 (0.02) | 0.813 | 0.695 | 0.801 (0.03) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 5.5900 | 5.2570 (0.2) | 5.2200 | 5.4770 | ||||||||||
| 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] | 22.25 (0.2) | 22.16 (0.2) | 22.16 (0.2) | 22.16 (0.2) | 22.25 | 22.25 (0.2) | 22.16 (0.2) | |||||||
| Distance | [pc] | 44.94 (0.4) | 45.13 (0.4) | 45.13 (0.4) | 45.13 (0.4) | 57.30 | 44.94 | 44.94 (0.4) | 45.13 (0.4) | ||||||
| Composition | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 117.1678337 (0.2) | 117.4022133 (0.4) | 117.168 (0.2) | 117.4022133 | ||||||||||
| Proper motion (declination) | [mas/yr] | -103.3047747 (0.2) | -103.3141098 (0.2) | -103.305 (0.2) | -103.3141098 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 17.02 (0.02) | 16.92 (0.2) | 17.03 (0.03) | 16.92 (0.2) | |||||||||||
| H magnitude | 16.76 (0.03) | 16.77 (0.03) | |||||||||||||
| K magnitude | 16.72 (0.05) | 16.72 (0.05) | |||||||||||||
| u magnitude | 19.49 (0.03) | 19.49 (0.03) | 19.48 (0.03) | 19.49 (0.03) | 19.49 (0.03) | ||||||||||
| g magnitude | 18.43 (0.007) | 18.44 (0.007) | 18.43 (0.007) | 18.43 (0.007) | |||||||||||
| r magnitude | 17.96 (0.007) | (0.007) | 17.98 (0.007) | 17.96 (0.007) | |||||||||||
| i magnitude | 17.81 (0.008) | 17.82 (0.008) | 17.82 (0.008) | 17.81 (0.008) | |||||||||||
| z magnitude | 17.79 (0.02) | 17.79 (0.02) | 17.79 (0.02) | 17.79 (0.02) | |||||||||||
| G magnitude | 17.99 (0.02) | 18.02 | 17.99 | 17.99 (0.003) | 18.02 | ||||||||||
| BP magnitude | 18.36 (0.02) | 18.37 | 18.37 | ||||||||||||
| RP magnitude | 17.49 (0.01) | 17.52 | 17.52 | ||||||||||||
| Pan g magnitude | 18.36 (0.007) | 18.36 (0.008) | 18.36 (0.008) | ||||||||||||
| Pan r magnitude | 17.99 (0.005) | 17.99 (0.006) | 17.99 (0.006) | ||||||||||||
| Pan i magnitude | 17.84 (0.007) | 17.84 (0.006) | 17.84 (0.006) | ||||||||||||
| Pan z magnitude | 17.81 (0.007) | 17.81 (0.008) | 17.81 (0.008) | ||||||||||||
| Pan y magnitude | 17.77 (0.008) | 17.77 (0.008) | 17.77 (0.008) | ||||||||||||
| 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.