All names: Gaia EDR3 2547086378725051776, WD 0016+005, TIC 293342706, GALEX J001853.7+005023, SDSS J001853.80+005021.5, Gaia DR3 2547086378725051776, SDSS J001853.79+005021.6, SDSS J001853.79+005021.5, Gaia DR2 2547086378724679168, 2MASS J00185379+0050215
| 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 18 53.80 (0.5) | 00 18 53.80 | 00 18 53.79 | 00 18 53.79 (0.5) | 00 18 53.83 | 00 18 53.80 | |||
| Declination | 00 50 21.55 (0.4) | 00 50 21.52 | 00 50 21.52 | 00 50 21.53 (0.4) | 00 50 21.48 | 00 50 21.53 | |||
| Spectral type | DA+M | DA+M | DA2.1 M | DA+M | |||||
| Effective temperature | [K] | 23613.0 (5552) | 6300.0 (3) | ||||||
| log(g) | [cgs] | 7.59 (1) | 10.00 (0.006) | ||||||
| Mass | [M☉] | 0.44 (0.6) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.70 (0.7) | 0.70 (0.7) | ||||||
| Distance | [pc] | 1437.08 (1376) | 2006.00 (1087) | 1436.99 (1376) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 14.21958363 (0.8) | 14.22 (0.8) | ||||||
| Proper motion (declination) | [mas/yr] | 1.582255664 (0.5) | 1.582 (0.5) | ||||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | WDMS | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 17.09 (0.01) | ||||||||
| H magnitude | 16.52 (0.03) | ||||||||
| K magnitude | 16.27 (0.04) | ||||||||
| u magnitude | 20.98 (0.09) | 21.01 | 21.10 (0.1) | 21.00 | 21.01 (0.1) | ||||
| g magnitude | 20.37 (0.02) | 20.39 | 20.37 (0.03) | 20.38 | 20.36 (0.03) | ||||
| r magnitude | 19.59 (0.02) | 19.64 | 19.64 (0.02) | 19.63 | 19.61 (0.03) | ||||
| i magnitude | 18.80 (0.01) | 18.81 | 18.81 (0.01) | 18.80 | 18.77 (0.02) | ||||
| z magnitude | 18.35 (0.03) | 18.36 | 18.34 (0.03) | 18.35 | 18.33 (0.04) | ||||
| G magnitude | 19.47 (0.04) | 19.47 (0.006) | |||||||
| BP magnitude | 20.08 (0.04) | ||||||||
| RP magnitude | 18.43 (0.02) | ||||||||
| Pan g magnitude | 20.26 (0.008) | ||||||||
| Pan r magnitude | 19.56 (0.009) | ||||||||
| Pan i magnitude | 18.80 (0.007) | ||||||||
| Pan z magnitude | 18.45 (0.01) | ||||||||
| Pan y magnitude | 18.24 (0.02) | ||||||||
| E(B-V) | 0.027 | ||||||||
* 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.