All names: Gaia DR3 2637741490390750080, PSO J349.8977-02.4845, LP 702-67, SDSS J231935.44-022903.3, Gaia DR2 2637741490390750080, WDJ231935.41-022901.21, 2MASS J23193540-0229009, J2319-0229, TIC 301139814, Gaia EDR3 2637741490390750080, SDSS J231935.43-022903.3, NLTT 56493
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 19 35.47 (0.06) | 23 19 35.46 (0.08) | 23 19 35.47 | 23 19 35.41 (0.06) | 23 19 35.46 | |||||||||
| Declination | -02 29 04.90 (0.06) | -02 29 04.79 (0.07) | -02 29 04.90 | -02 29 01.21 (0.06) | -02 29 04.79 | |||||||||
| Spectral type | DA | DA | DA | DA | DA: | DA | ||||||||
| Effective temperature | [K] | 5085.0 (15) | 5088.0 (14) | 5085.0 (14) | 5075.0 (25) | 5085.0 | 4808.0 | 5120.0 (30) | ||||||
| log(g) | [cgs] | 7.22 (0.009) | 7.22 (0.01) | 7.23 (0.01) | 7.22 (0.02) | 7.22 | 6.98 | 7.25 (0.02) | ||||||
| Mass | [M☉] | 0.231 (0.003) | 0.233 (0.003) | 0.233 (0.004) | 0.232 (0.007) | 0.233 | 0.156 | 0.242 (0.007) | ||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 1.4900 | 1.5710 (0.04) | 1.5600 | ||||||||||
| 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] | 24.08 (0.07) | 24.10 (0.1) | 24.10 (0.1) | 24.10 (0.1) | 24.08 | 24.08 (0.07) | 24.10 (0.1) | ||||||
| Distance | [pc] | 41.53 (0.1) | 41.49 (0.2) | 41.50 (0.2) | 41.50 (0.2) | 41.53 | 41.53 (0.1) | 41.50 (0.2) | ||||||
| Composition | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 53.14767482 (0.08) | 53.33 (0.1) | 53.148 (0.07) | 53.33045684 | |||||||||
| Proper motion (declination) | [mas/yr] | -230.8730982 (0.07) | -230.914 (0.1) | -230.873 (0.07) | -230.9138255 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | 16.89 | |||||||||||||
| R magnitude | 17.05 | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 15.72 (0.01) | 15.77 (0.06) | 15.77 (0.06) | |||||||||||
| H magnitude | 15.44 (0.01) | 15.30 (0.1) | 15.30 (0.1) | |||||||||||
| K magnitude | 15.39 (0.02) | 15.36 (0.2) | 15.36 (0.2) | |||||||||||
| u magnitude | 18.99 (0.02) | 18.98 (0.02) | 18.98 (0.02) | |||||||||||
| g magnitude | 17.48 (0.005) | 17.58 (0.005) | ||||||||||||
| r magnitude | 16.91 (0.004) | 16.92 (0.005) | ||||||||||||
| i magnitude | 16.67 (0.003) | 16.65 (0.006) | ||||||||||||
| z magnitude | 16.59 (0.004) | 16.58 (0.009) | ||||||||||||
| G magnitude | 16.94 (0.009) | 16.96 | 16.94 | 16.94 (0.003) | 16.96 | |||||||||
| BP magnitude | 17.40 (0.009) | 17.39 | 17.39 | |||||||||||
| RP magnitude | 16.33 (0.005) | 16.33 | 16.33 | |||||||||||
| Pan g magnitude | 17.48 (0.004) | 17.48 (0.005) | 17.48 (0.005) | |||||||||||
| Pan r magnitude | 16.91 (0.004) | 16.91 (0.004) | 16.91 (0.004) | |||||||||||
| Pan i magnitude | 16.67 (0.003) | 16.67 (0.003) | 16.67 (0.003) | |||||||||||
| Pan z magnitude | 16.59 (0.003) | 16.59 (0.004) | 16.59 (0.004) | |||||||||||
| Pan y magnitude | 16.55 (0.005) | 16.55 (0.007) | 16.55 (0.007) | |||||||||||
| 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.