All names: Gaia DR2 3146576878812071168, Gaia EDR3 3146576878812071168, WDJ081221.58+094232.17, Gaia DR3 3146576878812071168, SDSS J081221.54+094232.1, J0812+0942, SDSS J081221.54+094232.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Kilic et al. 2020 | Gaia DR2 | Stilism | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 12 21.48 (0.3) | 08 12 21.48 | 08 12 21.58 (0.3) | 08 12 21.48 | |||||
| Declination | 09 42 31.74 (0.2) | 09 42 31.75 | 09 42 32.17 (0.2) | 09 42 31.75 | |||||
| Spectral type | DA | DA | DA | ||||||
| Effective temperature | [K] | 6346.0 (81) | 6328.0 (80) | ||||||
| log(g) | [cgs] | 8.66 (0.05) | 8.65 (0.05) | ||||||
| Mass | [M☉] | 1.013 (0.04) | 1.01 (0.04) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | 5.5000 | |||||||
| 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] | 9.78 (0.4) | 10.19 (0.5) | 10.19 (0.5) | 9.78 (0.4) | 10.19 (0.5) | |||
| Distance | [pc] | 102.29 (4) | 98.14 (5) | 98.14 (5) | 102.29 (4) | 98.14 (5) | |||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -94.71237428 (0.4) | -93.8847164 (0.9) | -94.712 (0.4) | -93.8847164 | ||||
| Proper motion (declination) | [mas/yr] | -26.826988 (0.3) | -27.29734392 (0.6) | -26.827 (0.3) | -27.29734392 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 18.99 (0.1) | ||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 20.87 (0.06) | 20.87 (0.06) | 20.77 (0.08) | ||||||
| g magnitude | 20.11 (0.02) | 20.10 (0.02) | |||||||
| r magnitude | 19.83 (0.02) | 19.73 (0.02) | |||||||
| i magnitude | 19.72 (0.02) | 19.70 (0.03) | |||||||
| z magnitude | 19.72 (0.07) | 19.49 (0.08) | |||||||
| G magnitude | 19.80 (0.05) | 19.84 | 19.80 (0.004) | 19.84 | |||||
| BP magnitude | 20.07 (0.05) | 20.03 | 20.03 | ||||||
| RP magnitude | 19.42 (0.06) | 19.41 | 19.41 | ||||||
| Pan g magnitude | 20.05 (0.01) | 20.05 (0.01) | |||||||
| Pan r magnitude | 19.82 (0.01) | 19.82 (0.02) | |||||||
| Pan i magnitude | 19.69 (0.03) | 19.69 (0.03) | |||||||
| Pan z magnitude | 19.70 (0.02) | 19.70 (0.01) | |||||||
| Pan y magnitude | 19.74 (0.08) | 19.74 (0.08) | |||||||
| E(B-V) | 0.003 | ||||||||
* 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.