All names: GALEX J104708.9+521935, Gaia DR2 837084590505236864, SDSS J104708.83+521935.2, SDSS J104708.84+521935.47, J1047+5219, Gaia EDR3 837084590505236864, SDSS J104708.84+521935.4, Gaia DR3 837084590505236864
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Coutu et al. 2019 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 47 08.77 (0.3) | 10 47 08.83 | 10 47 08.85 | 10 47 08.77 (0.4) | 10 47 08.85 (0.3) | |||||
| Declination | 52 19 34.94 (0.5) | 52 19 35.21 | 52 19 35.29 | 52 19 34.95 (0.8) | 52 19 35.29 (0.5) | |||||
| Spectral type | DZ | DZ | DZ | DZ | ||||||
| Effective temperature | [K] | 7095.0 (254) | 6775.0 (59) | |||||||
| log(g) | [cgs] | 8.56 | 8.00 (0) | |||||||
| Mass | [M☉] | 0.9371 | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 3.7200 | ||||||||
| log(H/He) | <-3.488 | |||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | -9.8746 (0.2) | -9.981 | ||||||||
| log(Ca/H) | ||||||||||
| log(N/He) | ||||||||||
| log(O/He) | ||||||||||
| log(Na/He) | ||||||||||
| log(Mg/He) | ||||||||||
| log(Al/He) | ||||||||||
| log(Si/He) | ||||||||||
| log(P/He) | ||||||||||
| log(S/He) | ||||||||||
| log(Cl/He) | ||||||||||
| log(Sc/He) | ||||||||||
| log(Ti/He) | ||||||||||
| log(V/He) | ||||||||||
| log(Cr/He) | ||||||||||
| log(Mn/He) | ||||||||||
| log(Fe/He) | ||||||||||
| log(Co/He) | ||||||||||
| log(Ni/He) | ||||||||||
| log(Cu/He) | ||||||||||
| log(Zn/He) | ||||||||||
| log(Ga/He) | ||||||||||
| log(Ge/He) | ||||||||||
| log(Sr/He) | ||||||||||
| Parallax | [mas] | 4.66 (0.6) | 6.05 | 6.05 (1) | 4.66 (0.6) | |||||
| Distance | [pc] | 214.51 (29) | 165.21 (29) | 165.21 (29) | 214.51 (29) | |||||
| Composition | He | He | ||||||||
| Proper motion (right ascension) | [mas/yr] | -46.85135018 (0.5) | -45.22786692 (1) | -46.851 (0.5) | ||||||
| Proper motion (declination) | [mas/yr] | -21.35527216 (0.7) | -21.93666563 (2) | -21.355 (0.7) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 20.86 (0.08) | 20.85 (0.07) | 20.87 (0.08) | |||||||
| g magnitude | 20.46 (0.02) | 20.46 (0.03) | 20.46 (0.03) | |||||||
| r magnitude | 20.27 (0.03) | 20.29 (0.03) | 20.27 (0.03) | |||||||
| i magnitude | 20.36 (0.04) | 20.37 (0.04) | 20.36 (0.04) | |||||||
| z magnitude | 20.43 (0.2) | 20.43 (0.2) | 20.43 (0.2) | |||||||
| G magnitude | 20.32 (0.07) | 20.38 | 20.32 (0.006) | |||||||
| BP magnitude | 20.50 (0.07) | 20.38 | ||||||||
| RP magnitude | 20.17 (0.08) | 20.14 | ||||||||
| Pan g magnitude | 20.46 (0.03) | |||||||||
| Pan r magnitude | 20.39 (0.02) | |||||||||
| Pan i magnitude | 20.45 (0.03) | |||||||||
| Pan z magnitude | 20.53 (0.04) | |||||||||
| Pan y magnitude | 20.19 (0.2) | |||||||||
| E(B-V) | 0.016 | |||||||||
* 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.