All names: SDSS J142152.25+143645.7, SDSS J142152.24+143645.7, GALEX J142152.2+143646, J1421+1436, Gaia DR3 1228599279334490496, Gaia DR2 1228599279334490496, Gaia EDR3 1228599279334490496, SDSS J142152.25+143645.8, WDJ142152.24+143646.08
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 21 52.25 (0.2) | 14 21 52.25 | 14 21 52.25 | 14 21 52.24 (0.2) | ||||||
| Declination | 14 36 45.01 (0.2) | 14 36 45.04 | 14 36 45.01 | 14 36 46.10 (0.2) | ||||||
| Spectral type | DA | DA | DA | DA | DA | |||||
| Effective temperature | [K] | 5775.0 (40) | 5852.0 (45) | 5461.0 (106) | ||||||
| log(g) | [cgs] | 7.86 (0.03) | 7.81 (0.05) | 7.66 (0.06) | ||||||
| Mass | [M☉] | 0.507 (0.02) | 0.48 (0.04) | 0.403 (0.04) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 1.8900 | ||||||||
| 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] | 10.43 (0.2) | 9.63 (0.4) | 9.63 (0.4) | 10.43 | 10.43 (0.2) | ||||
| Distance | [pc] | 95.92 (2) | 103.84 (4) | 103.82 (4) | 95.92 | 95.92 (2) | ||||
| Composition | H | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 14.53796799 (0.3) | 14.06370535 (0.7) | 14.538 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | -68.28511595 (0.2) | -67.45277169 (0.6) | -68.285 (0.2) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 16.75 (0.02) | |||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 20.27 (0.05) | 20.23 (0.05) | ||||||||
| g magnitude | 19.36 (0.01) | |||||||||
| r magnitude | 18.96 (0.01) | |||||||||
| i magnitude | 18.75 (0.01) | |||||||||
| z magnitude | 18.39 (0.03) | |||||||||
| G magnitude | 18.94 (0.03) | 18.97 | 18.94 | 18.94 (0.004) | ||||||
| BP magnitude | 19.36 (0.03) | 19.38 | ||||||||
| RP magnitude | 18.39 (0.03) | 18.33 | ||||||||
| Pan g magnitude | 19.32 (0.009) | 19.32 (0.009) | ||||||||
| Pan r magnitude | 18.99 (0.008) | 18.99 (0.008) | ||||||||
| Pan i magnitude | 18.78 (0.006) | 18.78 (0.005) | ||||||||
| Pan z magnitude | 18.56 (0.01) | 18.56 (0.01) | ||||||||
| Pan y magnitude | 18.24 (0.02) | 18.24 (0.02) | ||||||||
| E(B-V) | 0.008 | |||||||||
* 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.