All names: SDSS J094213.02+094245.8, TIC 469037194, Gaia DR3 588530847356236672, 2MASS J09421306+0942454, PM J09422+0942, WISE J094212.94+094245.4, WISEA J094212.94+094245.1, 09422+0942, Gaia DR2 588530847356236672, Gaia EDR3 588530847356236672, J0942+0942
| Parameter | Unit | Gaia EDR3 | Caron et al. 2023 | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 42 12.90 (0.2) | 09 42 12.90 (12) | 09 42 12.90 | 09 42 13.05 (0.2) | ||||
| Declination | 09 42 45.48 (0.2) | 09 42 45.54 (22) | 09 42 45.48 | 09 42 45.85 (0.2) | ||||
| Spectral type | DA | DA | DA | DA | ||||
| Effective temperature | [K] | 5249.0 (18) | 5250.0 (60) | 5354.0 (39) | ||||
| log(g) | [cgs] | 8.03 (0.01) | 8.00 (0.2) | 8.09 (0.02) | ||||
| Mass | [M☉] | 0.598 (0.01) | 0.58 (0.1) | 0.635 (0.02) | ||||
| log(Luminosity) | [L☉] | -3.96 | ||||||
| Cooling age | [Gyr] | 4.6600 | ||||||
| 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] | 22.10 (0.2) | 22.10 (0.2) | 22.10 | 22.10 (0.2) | |||
| Distance | [pc] | 45.25 (0.4) | 45.25 (0.4) | 46.20 (5) | 45.25 | 45.25 (0.4) | ||
| Composition | H | H | ||||||
| Proper motion (right ascension) | [mas/yr] | -145.0707898 (0.2) | -141.0 | -145.071 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | -23.22842834 (0.2) | -18.0 | -23.228 (0.2) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 16.76 (0.03) | 16.76 | 16.76 (0.1) | |||||
| H magnitude | 16.14 (0.03) | 16.14 | 16.14 (0.2) | |||||
| K magnitude | 15.44 (0.03) | 15.44 | ||||||
| u magnitude | 19.92 (0.03) | 19.92 | 19.91 (0.04) | |||||
| g magnitude | 18.52 | 18.51 (0.007) | ||||||
| r magnitude | 17.89 | 17.90 (0.007) | ||||||
| i magnitude | 17.69 | 17.69 (0.007) | ||||||
| z magnitude | 17.61 | 17.59 (0.02) | ||||||
| G magnitude | 17.94 (0.01) | 17.95 | 17.94 | 17.94 (0.003) | ||||
| BP magnitude | 18.37 (0.01) | 18.35 | ||||||
| RP magnitude | 17.36 (0.009) | 17.34 | ||||||
| Pan g magnitude | 18.42 (0.004) | |||||||
| Pan r magnitude | 17.92 (0.007) | |||||||
| Pan i magnitude | 17.70 (0.006) | |||||||
| Pan z magnitude | 17.64 (0.007) | |||||||
| Pan y magnitude | 17.60 (0.01) | |||||||
| 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.