All names: SDSS J080648.05+221551.1, LSPM J0806+2215, J0806+2215, Gaia DR2 677060225090183552, Gaia EDR3 677060225090183552, 08068+2215, WDJ080648.05+221551.65, 2MASS J08064801+2215515, USNO-B1.0 1122-00188269, PM J08068+2215, PSO J121.7001+22.2636, Gaia DR3 677060225090183552, TIC 345840983, SDSS J080648.04+221551.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 06 48.04 (0.1) | 08 06 48.04 (0.1) | 08 06 48.04 | 08 06 48.05 (0.1) | 08 06 48.04 | ||||||||||
| Declination | 22 15 48.76 (0.07) | 22 15 48.85 (0.08) | 22 15 48.76 | 22 15 51.65 (0.07) | 22 15 48.85 | ||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 5702.0 (24) | 5700.0 (18) | 5702.0 (24) | 5760.0 (35) | 5771.0 | 5516.0 | 5920.0 (116) | 5879.0 (78) | ||||||
| log(g) | [cgs] | 8.04 (0.01) | 8.06 (0.01) | 8.04 (0.01) | 8.07 (0.02) | 8.07 | 7.91 | 8.97 (0.2) | 8.14 (0.03) | ||||||
| Mass | [M☉] | 0.611 (0.01) | 0.625 (0.01) | 0.611 (0.01) | 0.631 (0.01) | 0.632 | 0.518 | 1.18 (0.08) | 0.675 (0.02) | ||||||
| log(Luminosity) | [L☉] | -4.41 | |||||||||||||
| Cooling age | [Gyr] | 3.1800 | 3.0460 (0.2) | 3.0260 | 3.1550 | ||||||||||
| 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] | 20.23 (0.1) | 20.24 (0.2) | 20.24 (0.2) | 20.24 (0.2) | 20.23 | 20.23 (0.1) | 20.24 (0.2) | |||||||
| Distance | [pc] | 49.43 (0.3) | 49.41 (0.4) | 49.40 (0.4) | 49.40 (0.4) | 26.20 (0.8) | 49.43 | 49.43 (0.3) | 49.40 (0.4) | ||||||
| Composition | H | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -11.12512142 (0.1) | -10.847 (0.3) | -8.0 | -11.125 (0.1) | -10.84680567 | |||||||||
| Proper motion (declination) | [mas/yr] | -181.0416294 (0.08) | -181.186 (0.2) | -169.0 | -181.042 (0.08) | -181.1859136 | |||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 18.50 | ||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | 17.50 | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 16.77 (0.007) | 16.73 (0.1) | 16.73 | 16.73 (0.1) | |||||||||||
| H magnitude | 16.51 (0.02) | 16.56 (0.3) | 16.56 | 16.56 (0.3) | |||||||||||
| K magnitude | 16.45 (0.03) | 16.85 | |||||||||||||
| u magnitude | 19.35 (0.03) | 19.23 | 19.34 (0.03) | 19.34 (0.03) | |||||||||||
| g magnitude | 18.25 | 18.13 (0.004) | 18.24 (0.007) | ||||||||||||
| r magnitude | 17.78 | 17.75 (0.009) | 17.78 (0.006) | ||||||||||||
| i magnitude | 17.64 | 17.60 (0.007) | 17.57 (0.006) | ||||||||||||
| z magnitude | 17.58 | 17.57 (0.006) | 17.61 (0.02) | ||||||||||||
| G magnitude | 17.79 (0.01) | 17.81 | 17.79 | 17.79 (0.003) | 17.81 | ||||||||||
| BP magnitude | 18.12 (0.01) | 18.13 | 18.13 | ||||||||||||
| RP magnitude | 17.29 (0.01) | 17.24 | 17.24 | ||||||||||||
| Pan g magnitude | 18.13 (0.005) | 18.13 (0.004) | 18.13 (0.004) | ||||||||||||
| Pan r magnitude | 17.75 (0.01) | 17.75 (0.009) | 17.75 (0.009) | ||||||||||||
| Pan i magnitude | 17.60 (0.01) | 17.60 (0.007) | 17.60 (0.007) | ||||||||||||
| Pan z magnitude | 17.57 (0.008) | 17.57 (0.006) | 17.57 (0.006) | ||||||||||||
| Pan y magnitude | 17.56 (0.04) | 17.56 (0.04) | 17.57 (0.04) | ||||||||||||
| 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.