All names: Gaia DR2 2853079051689775232, WDS J00017+2515A, SDSS J000142.84+251506.1, Gaia DR3 2853079051689775232, Gaia EDR3 2853079051689775232, SDSS J000142.85+251506.1, ** SLN 1A
| Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|
| Right ascension | 00 01 42.85 (0.1) | 00 01 42.85 | 00 01 42.84 (0.1) | |||
| Declination | 25 15 06.00 (0.06) | 25 15 06.00 | 25 15 06.21 (0.06) | |||
| Spectral type | DA | DA | DA | |||
| Effective temperature | [K] | 24378.0 (991) | ||||
| log(g) | [cgs] | 7.90 (0.06) | ||||
| Mass | [M☉] | 0.579 (0.04) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 3.02 (0.1) | 3.02 | 3.02 (0.1) | ||
| Distance | [pc] | 331.22 (15) | 331.22 | 331.22 (15) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 6.504 (0.2) | 6.504 (0.2) | |||
| Proper motion (declination) | [mas/yr] | -12.994 (0.07) | -12.994 (0.07) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 17.81 (0.01) | |||||
| g magnitude | 17.84 (0.006) | |||||
| r magnitude | 18.18 (0.008) | |||||
| i magnitude | 18.47 (0.01) | |||||
| z magnitude | 18.75 (0.03) | |||||
| G magnitude | 18.00 (0.003) | 18.00 | 18.00 (0.003) | |||
| BP magnitude | 17.89 (0.01) | |||||
| RP magnitude | 18.13 (0.02) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.051 | |||||
* 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.