All names: Gaia EDR3 3830990156631488128, SDSS J102448.84-002312.3, SDSS J102448.85-002312.3, J1024-0023, TIC 841989747, WDJ102448.85-002312.33, HD 90211B, Gaia DR3 3830990156631488128, SDSS J102448.83-002312.59, Gaia DR2 3830990156631488128, SDSS J102448.85-002312.4, SDSS J102448.83-002312.5, GALEX J102448.8-002311
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 24 48.81 (0.09) | 10 24 48.85 | 10 24 48.81 (0.2) | 10 24 48.81 | 10 24 48.85 (0.1) | 10 24 48.81 | ||||||||
| Declination | -00 23 12.71 (0.1) | -00 23 12.36 | -00 23 12.69 (0.1) | -00 23 12.71 | -00 23 12.32 (0.1) | -00 23 12.69 | ||||||||
| Spectral type | He-DA | DA | DA | DAZ: | DA: | DAZ | DA | |||||||
| Effective temperature | [K] | 9453.0 (79) | 9473.0 (53) | 9487.0 (75) | 10942.0 (442) | 10207.0 (202) | ||||||||
| log(g) | [cgs] | 8.14 (0.01) | 8.15 (0.02) | 8.16 (0.02) | 9.66 (0.3) | 8.40 (0.03) | ||||||||
| Mass | [M☉] | 0.664 (0.01) | 0.669 (0.01) | 0.68 (0.02) | 0.857 (0.03) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.9300 | ||||||||||||
| log(H/He) | -4.0 | -4.0 | -4.5 | |||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| log(N/He) | ||||||||||||||
| log(O/He) | ||||||||||||||
| log(Na/He) | ||||||||||||||
| log(Mg/He) | ||||||||||||||
| log(Al/He) | ||||||||||||||
| log(Si/He) | ||||||||||||||
| log(P/He) | ||||||||||||||
| log(S/He) | ||||||||||||||
| log(Cl/He) | ||||||||||||||
| log(Sc/He) | ||||||||||||||
| log(Ti/He) | ||||||||||||||
| log(V/He) | ||||||||||||||
| log(Cr/He) | ||||||||||||||
| log(Mn/He) | ||||||||||||||
| log(Fe/He) | ||||||||||||||
| log(Co/He) | ||||||||||||||
| log(Ni/He) | ||||||||||||||
| log(Cu/He) | ||||||||||||||
| log(Zn/He) | ||||||||||||||
| log(Ga/He) | ||||||||||||||
| log(Ge/He) | ||||||||||||||
| log(Sr/He) | ||||||||||||||
| Parallax | [mas] | 13.54 (0.1) | 13.57 (0.2) | 13.57 (0.2) | 13.54 | 13.54 (0.1) | 13.57 (0.2) | |||||||
| Distance | [pc] | 73.83 (0.6) | 73.69 (1) | 73.69 (1) | 73.83 | 73.83 (0.6) | 73.69 (1) | |||||||
| Composition | He | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -39.19555146 (0.1) | -39.41076871 (0.2) | -39.196 (0.1) | -39.41076871 | |||||||||
| Proper motion (declination) | [mas/yr] | -24.10294963 (0.1) | -23.66438934 (0.2) | -24.103 (0.1) | -23.66438934 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 17.02 (0.01) | |||||||||||||
| H magnitude | 17.01 (0.03) | |||||||||||||
| K magnitude | 17.18 (0.08) | |||||||||||||
| u magnitude | 17.24 (0.009) | 17.24 (0.009) | 17.24 (0.02) | 17.24 (0.009) | 17.24 (0.009) | |||||||||
| g magnitude | 17.07 (0.004) | 17.08 (0.01) | 17.07 (0.004) | 17.07 (0.004) | ||||||||||
| r magnitude | 17.17 (0.005) | 17.17 (0.01) | 17.17 (0.005) | 17.17 (0.005) | ||||||||||
| i magnitude | 17.30 (0.006) | 17.30 (0.02) | 17.30 (0.006) | 17.30 (0.006) | ||||||||||
| z magnitude | 17.49 (0.02) | 17.50 (0.02) | 17.49 (0.02) | 17.49 (0.02) | ||||||||||
| G magnitude | 17.09 (0.01) | 17.11 | 17.09 | 17.09 (0.003) | 17.11 | |||||||||
| BP magnitude | 17.14 (0.01) | 17.12 | 17.12 | |||||||||||
| RP magnitude | 17.01 (0.007) | 17.03 | 17.03 | |||||||||||
| Pan g magnitude | 17.11 (0.006) | 17.11 (0.006) | ||||||||||||
| Pan r magnitude | 17.20 (0.005) | 17.20 (0.006) | ||||||||||||
| Pan i magnitude | 17.33 (0.006) | 17.33 (0.005) | ||||||||||||
| Pan z magnitude | 17.48 (0.005) | 17.48 (0.005) | ||||||||||||
| Pan y magnitude | 17.58 (0.004) | 17.58 (0.004) | ||||||||||||
| E(B-V) | 0.002 | |||||||||||||
* 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.