All names: SDSS J141843.58+145258.3, SDSS J141843.58+145258.4, Gaia EDR3 1228760220348642304, Gaia DR3 1228760220348642304, WDJ141843.56+145258.61, GALEX J141843.6+145258, J1418+1452, PSO J214.6815+14.8827, Gaia DR2 1228760220348642304, WIRED J141843.58+145258.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Caron et al. 2023 | Blouin et al. 2019 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 18 43.58 (0.3) | 14 18 43.59 | 14 18 43.58 (0.6) | 14 18 43.58 | 14 18 43.56 (0.3) | 14 18 43.58 | 14 18 43.58 | ||||||
| Declination | 14 52 57.68 (0.3) | 14 52 58.37 | 14 52 57.70 (0.5) | 14 52 57.68 | 14 52 58.59 (0.3) | 14 52 57.70 | 14 52 58.40 | ||||||
| Spectral type | DA | DA | DA | DA | DA | DA | |||||||
| Effective temperature | [K] | 7480.0 (52) | 7250.0 (90) | 7711.0 (167) | 7334.0 (26) | ||||||||
| log(g) | [cgs] | 7.46 (0.06) | 7.41 (0.09) | 7.67 (0.05) | 7.84 (0.05) | ||||||||
| Mass | [M☉] | 0.331 (0.03) | 0.31 (0.03) | 0.418 (0.04) | 0.51 (0.03) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.7100 | 0.7410 (0.05) | ||||||||||
| 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] | 15.61 (0.4) | 14.78 (0.8) | 14.78 (0.8) | 14.78 (0.8) | 15.61 | 15.61 (0.4) | 14.78 (0.8) | |||||
| Distance | [pc] | 64.04 (2) | 67.66 (3) | 67.65 (3) | 67.65 (3) | 64.04 | 64.04 (2) | 67.65 (3) | |||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 11.72536792 (0.4) | 12.25764114 (1) | 11.725 (0.4) | 12.25764114 | ||||||||
| Proper motion (declination) | [mas/yr] | -57.15600908 (0.4) | -58.471273 (1) | -57.156 (0.3) | -58.471273 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.00 (0.09) | 16.00 (0.09) | |||||||||||
| H magnitude | 15.66 (0.1) | 15.66 (0.1) | |||||||||||
| K magnitude | 15.53 (0.2) | 15.53 (0.2) | |||||||||||
| u magnitude | 17.24 (0.009) | 17.24 (0.009) | 17.24 (0.009) | 17.24 (0.009) | 17.28 (0.02) | ||||||||
| g magnitude | 16.72 (0.004) | 16.80 (0.009) | 16.73 (0.004) | 16.79 (0.03) | |||||||||
| r magnitude | 16.60 (0.004) | 16.71 (0.006) | 16.61 (0.004) | 16.69 (0.02) | |||||||||
| i magnitude | 16.57 (0.005) | 16.71 (0.005) | 16.59 (0.005) | 16.71 (0.02) | |||||||||
| z magnitude | 16.61 (0.01) | 16.72 (0.01) | 16.66 (0.009) | 16.71 (0.03) | |||||||||
| G magnitude | 17.02 (0.007) | 16.87 | 17.02 | 17.02 (0.003) | 16.87 | ||||||||
| BP magnitude | 16.76 (0.007) | 16.74 | 16.74 | ||||||||||
| RP magnitude | 16.29 (0.006) | 16.28 | 16.28 | ||||||||||
| Pan g magnitude | 16.80 (0.009) | 16.80 (0.009) | 16.80 (0.009) | ||||||||||
| Pan r magnitude | 16.71 (0.006) | 16.71 (0.006) | 16.71 (0.006) | ||||||||||
| Pan i magnitude | 16.71 (0.006) | 16.71 (0.006) | 16.71 (0.006) | ||||||||||
| Pan z magnitude | 16.72 (0.01) | 16.72 (0.01) | 16.72 (0.01) | ||||||||||
| Pan y magnitude | 16.77 (0.01) | 16.77 (0.01) | 16.77 (0.01) | ||||||||||
| 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.