All names: SDSS J004740.75-000019.5, Gaia DR2 2537016084868145280, WD 0045-002, SDSS J004740.76-000019.5, Gaia DR3 2537016089164252928, Gaia EDR3 2537016089164252928
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 47 40.76 (0.8) | 00 47 40.75 | 00 47 40.75 | 00 47 40.76 (0.8) | 00 47 40.73 | 00 47 40.75 | |||
| Declination | -00 00 19.71 (0.5) | -00 00 19.52 | -00 00 19.51 | -00 00 19.75 (0.5) | -00 00 14.04 | -00 00 19.54 | |||
| Spectral type | DA+M | DA+dMe | DA dM | DA+M | |||||
| Effective temperature | [K] | 10192.0 (1060) | 6300.0 (3) | ||||||
| log(g) | [cgs] | 8.27 (1) | 9.99 (0.04) | ||||||
| Mass | [M☉] | 0.777 (0.7) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | -6.35 (0.9) | |||||||
| Distance | [pc] | 503.00 (365) | |||||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -0.092587224 (1) | -0.093 (1) | ||||||
| Proper motion (declination) | [mas/yr] | 2.739417323 (1) | 2.739 (1) | ||||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | WDMS | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 17.13 (0.02) | ||||||||
| H magnitude | 16.61 (0.02) | ||||||||
| K magnitude | 16.40 (0.04) | ||||||||
| u magnitude | 21.45 (0.1) | 21.44 | 21.39 (0.1) | 21.44 | 21.46 (0.1) | ||||
| g magnitude | 20.66 (0.03) | 20.79 | 20.71 (0.03) | 20.79 | 20.80 (0.04) | ||||
| r magnitude | 20.18 (0.02) | 20.24 | 20.10 (0.03) | 20.24 | 20.23 (0.03) | ||||
| i magnitude | 19.17 (0.02) | 19.20 | 19.11 (0.02) | 19.20 | 19.20 (0.02) | ||||
| z magnitude | 18.50 (0.03) | 18.53 | 18.44 (0.04) | 18.53 | 18.55 (0.04) | ||||
| G magnitude | 20.07 (0.08) | 20.07 (0.01) | |||||||
| BP magnitude | 20.54 (0.08) | ||||||||
| RP magnitude | 18.73 (0.03) | ||||||||
| Pan g magnitude | 20.66 (0.03) | ||||||||
| Pan r magnitude | 20.22 (0.01) | ||||||||
| Pan i magnitude | 19.20 (0.01) | ||||||||
| Pan z magnitude | 18.66 (0.009) | ||||||||
| Pan y magnitude | 18.37 (0.02) | ||||||||
| E(B-V) | 0.025 | ||||||||
* 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.