All names: WD 1505+297, Gaia EDR3 1275803134584652032, GALEX J150748.5+293128, Gaia DR3 1275803134584652032, CBS 395, SDSS J150748.58+293128.1, WISEA J150748.53+293128.9, USNO-B1.0 1195-00228884, WISE J150748.56+293128.9, LAMOST J150748.57+293128.0, Gaia DR2 1275803134584652032
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Guo et al. 2015 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 07 48.47 (0.02) | 15 07 48.48 (0.03) | 15 07 48.47 | 15 07 48.62 (0.02) | 15 07 49.13 | ||||
| Declination | 29 31 28.75 (0.03) | 29 31 28.72 (0.04) | 29 31 28.75 | 29 31 27.84 (0.03) | 29 31 20.64 | ||||
| Spectral type | DA | DA | DA | DA3.6 | DA | ||||
| Effective temperature | [K] | 13830.0 (449) | 13641.0 (105) | ||||||
| log(g) | [cgs] | 7.97 (0.06) | 8.03 (0.008) | ||||||
| Mass | [M☉] | 0.59 (0.03) | 0.627 (0.007) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| 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] | 9.89 (0.05) | 9.88 (0.06) | 9.89 | 9.89 (0.05) | ||||
| Distance | [pc] | 101.07 (0.5) | 101.22 (0.6) | 133.00 | 101.07 | 101.07 (0.5) | |||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -122.400848 (0.03) | -122.3375052 (0.07) | -122.401 (0.03) | |||||
| Proper motion (declination) | [mas/yr] | 56.83220444 (0.04) | 56.80752611 (0.09) | 56.832 (0.04) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 17.60 | ||||||||
| V magnitude | |||||||||
| R magnitude | 16.80 | ||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 16.85 (0.008) | ||||||||
| g magnitude | 16.46 (0.005) | ||||||||
| r magnitude | 16.68 (0.005) | ||||||||
| i magnitude | 16.92 (0.006) | ||||||||
| z magnitude | 17.16 (0.01) | ||||||||
| G magnitude | 16.57 (0.003) | 16.59 | 16.57 | 16.57 (0.003) | |||||
| BP magnitude | 16.56 (0.003) | 16.54 | |||||||
| RP magnitude | 16.64 (0.003) | 16.63 | |||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| 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.