All names: Gaia DR3 3244830444756183808, SDSS J034356.12-050758.7, Gaia DR2 3244830440460746496, Gaia EDR3 3244830444756183808, SDSS J034356.12-050758.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 43 56.11 (0.09) | 03 43 56.12 | 03 43 56.11 (0.09) | 03 43 56.11 | 03 43 56.13 (0.09) | 03 43 56.12 | |||||
| Declination | -05 07 58.66 (0.07) | -05 07 58.70 | -05 07 58.66 (0.06) | -05 07 58.66 | -05 07 58.67 (0.07) | -05 07 58.72 | |||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 47151.0 (854) | 46927.0 (743) | ||||||||
| log(g) | [cgs] | 7.78 (0.07) | 7.80 (0.06) | ||||||||
| Mass | [M☉] | 0.58 (0.03) | 0.591 (0.02) | ||||||||
| log(Luminosity) | [L☉] | 0.07 (0.06) | |||||||||
| Cooling age | [Gyr] | 0.0023 (0.0002) | |||||||||
| 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] | 2.57 (0.1) | 2.50 (0.1) | 2.57 | 2.57 (0.1) | ||||||
| Distance | [pc] | 389.03 (14) | 400.44 (17) | 389.03 | 389.03 (14) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -18.43858018 (0.1) | -18.37736572 (0.2) | -18.439 (0.1) | |||||||
| Proper motion (declination) | [mas/yr] | 0.626896487 (0.08) | 0.595654391 (0.1) | 0.627 (0.08) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 16.47 (0.006) | 16.47 (0.006) | 16.47 (0.02) | ||||||||
| g magnitude | 16.84 (0.004) | 16.84 (0.004) | 16.89 (0.03) | ||||||||
| r magnitude | 17.31 (0.005) | 17.31 (0.005) | 17.34 (0.02) | ||||||||
| i magnitude | 17.67 (0.007) | 17.66 (0.007) | 17.66 (0.02) | ||||||||
| z magnitude | 17.94 (0.02) | 17.94 (0.02) | 17.93 (0.03) | ||||||||
| G magnitude | 17.07 (0.008) | 17.08 | 17.07 | 17.07 (0.003) | |||||||
| BP magnitude | 16.91 (0.008) | 16.85 | |||||||||
| RP magnitude | 17.37 (0.02) | 17.35 | |||||||||
| Pan g magnitude | 16.89 (0.005) | ||||||||||
| Pan r magnitude | 17.32 (0.004) | ||||||||||
| Pan i magnitude | 17.67 (0.006) | ||||||||||
| Pan z magnitude | 17.95 (0.01) | ||||||||||
| Pan y magnitude | 18.15 (0.01) | ||||||||||
| E(B-V) | 0.050 | ||||||||||
* 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.