All names: [HHD2009] SDSS J0814+5217, Gaia DR3 1031612970830684800, Gaia EDR3 1031612970830684800, SBSS 0810+524, WIRED J081406.16+521715.4, SDSS J081406.15+521715.4, LAMOST J081406.15+521715.6, Gaia DR2 1031612970830684800, GALEX J081406.1+521715, SDSS J081406.16+521715.4, 2MASS J08140617+5217158, WD 0810+524, TIC 253000003, SDSS J081406.16+521715.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Guo et al. 2015 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 14 06.14 (0.08) | 08 14 06.16 | 08 14 06.14 (0.1) | 08 14 06.16 | 08 14 06.14 | 08 14 06.16 (0.08) | 08 14 05.35 | 08 14 06.16 | ||||||
| Declination | 52 17 15.29 (0.06) | 52 17 15.45 | 52 17 15.30 (0.07) | 52 17 15.40 | 52 17 15.29 | 52 17 15.47 (0.06) | 52 17 11.40 | 52 17 15.40 | ||||||
| Spectral type | DA+M | DA+M | DA+M | DA: | DA+dM | DA | DA+M | DA+MS | ||||||
| Effective temperature | [K] | 41040.0 (375) | 40565.0 (999) | 40514.0 (619) | ||||||||||
| log(g) | [cgs] | 7.55 (0.04) | 7.53 (0.1) | 7.33 (0.07) | ||||||||||
| Mass | [M☉] | 0.48 (0.01) | 0.48 (0.04) | |||||||||||
| log(Luminosity) | [L☉] | -0.02 (0.03) | ||||||||||||
| Cooling age | [Gyr] | 0.0019 (0.0004) | ||||||||||||
| 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] | 1.94 (0.1) | 2.02 (0.1) | 1.94 | 1.94 (0.1) | |||||||||
| Distance | [pc] | 514.31 (29) | 494.68 (32) | 770.00 (193) | 514.31 | 514.32 (29) | ||||||||
| Composition | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -8.342383693 (0.1) | -8.123363765 (0.2) | -8.342 (0.1) | ||||||||||
| Proper motion (declination) | [mas/yr] | -10.83779077 (0.09) | -10.69566973 (0.1) | -10.838 (0.09) | ||||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||||||
| B magnitude | 17.50 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.34 (0.1) | |||||||||||||
| H magnitude | 15.86 (0.2) | |||||||||||||
| K magnitude | 15.30 (0.2) | |||||||||||||
| u magnitude | 17.37 (0.009) | 17.36 | 17.37 (0.009) | 17.36 | 17.38 (0.02) | |||||||||
| g magnitude | 17.63 (0.005) | 17.66 | 17.63 (0.005) | 17.66 | 17.65 (0.02) | |||||||||
| r magnitude | 17.95 (0.007) | 17.98 | 17.95 (0.007) | 17.98 | 17.96 (0.02) | |||||||||
| i magnitude | 17.80 (0.008) | 17.80 | 17.80 (0.008) | 17.80 | 17.80 (0.02) | |||||||||
| z magnitude | 17.49 (0.02) | 17.49 | 17.49 (0.02) | 17.50 | 17.51 (0.02) | |||||||||
| G magnitude | 17.67 (0.01) | 17.69 | 17.67 | 17.67 (0.003) | ||||||||||
| BP magnitude | 17.71 (0.01) | 17.66 | ||||||||||||
| RP magnitude | 17.42 (0.01) | 17.43 | ||||||||||||
| Pan g magnitude | 17.71 (0.004) | |||||||||||||
| Pan r magnitude | 17.96 (0.003) | |||||||||||||
| Pan i magnitude | 17.84 (0.003) | |||||||||||||
| Pan z magnitude | 17.59 (0.004) | |||||||||||||
| Pan y magnitude | 17.42 (0.02) | |||||||||||||
| E(B-V) | 0.039 | |||||||||||||
* 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.