All names: Gaia EDR3 4447820062465824256, GALEX J165012.5+112456, Gaia DR2 4447820062465824256, SDSS J165012.48+112457.1, Gaia DR3 4447820062465824256, WIRED J165012.47+112457.1, SDSS J165012.47+112457.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 50 12.48 (0.2) | 16 50 12.48 | 16 50 12.48 (0.3) | 16 50 12.48 (0.2) | 16 50 12.48 | |||||
| Declination | 11 24 56.83 (0.2) | 11 24 57.12 | 11 24 56.84 (0.3) | 11 24 57.16 (0.2) | 11 24 57.13 | |||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 47726.0 (2000) | 47909.0 (1503) | |||||||
| log(g) | [cgs] | 7.15 (0.2) | 7.42 (0.1) | |||||||
| Mass | [M☉] | 0.37 (0.04) | 0.489 (0.04) | |||||||
| log(Luminosity) | [L☉] | 0.53 (0.1) | ||||||||
| Cooling age | [Gyr] | 0.0001 | ||||||||
| 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] | 1.12 (0.2) | 0.97 (0.4) | 1.12 (0.2) | ||||||
| Distance | [pc] | 894.99 (197) | 1028.21 (371) | 895.01 (197) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 0.091974367 (0.3) | -0.259279812 (0.6) | 0.092 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | -20.81170844 (0.2) | -21.97812449 (0.6) | -20.812 (0.2) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 18.61 (0.02) | 18.61 (0.02) | 18.69 (0.03) | |||||||
| g magnitude | 18.90 (0.01) | 18.90 (0.01) | 19.11 (0.08) | |||||||
| r magnitude | 19.52 (0.02) | 19.52 (0.02) | 19.58 (0.2) | |||||||
| i magnitude | 20.13 (0.04) | 20.13 (0.04) | 19.92 (0.3) | |||||||
| z magnitude | 19.85 (0.1) | 19.85 (0.1) | 20.39 (0.3) | |||||||
| G magnitude | 19.25 (0.04) | 19.29 | 19.25 (0.004) | |||||||
| BP magnitude | 19.15 (0.04) | 19.08 | ||||||||
| RP magnitude | 19.51 (0.09) | 19.47 | ||||||||
| Pan g magnitude | 19.10 (0.01) | |||||||||
| Pan r magnitude | 19.48 (0.008) | |||||||||
| Pan i magnitude | 19.80 (0.01) | |||||||||
| Pan z magnitude | 20.06 (0.06) | |||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.057 | |||||||||
* 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.