All names: 2MASS J15013232+2148116, SDSS J150132.31+214811.2, SDSS J150132.32+214811.4, Gaia DR3 1261923724426167168, LAMOST J150132.37+214811.3, SDSS J150132.31+214811.27, SDSS J150132.31+214811.3, [BGK2006] J150132.33+214811.5, GALEX J150132.3+214811, PG 1459+219, TIC 307840477, Gaia DR2 1261923724426167168, WD 1459+219, Gaia EDR3 1261923724426167168
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | SDSS DR12 | Gaia DR2 | Stilism | Guo et al. 2015 | Kepler et al. 2015 | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 01 32.29 (0.03) | 15 01 32.33 | 15 01 32.33 | 15 01 32.30 (0.05) | 15 01 32.29 | 15 01 32.33 (0.03) | 15 01 31.75 | ||||||||
| Declination | 21 48 11.17 (0.03) | 21 48 11.42 | 21 48 11.42 | 21 48 11.18 (0.06) | 21 48 11.17 | 21 48 11.46 (0.03) | 21 48 06.84 | ||||||||
| Spectral type | DA | DA | DA | DA | DA2.7 | DA3 | DA | ||||||||
| Effective temperature | [K] | 18820.0 (195) | 19256.0 (58) | 18940.0 (292) | 18000.0 (274) | 17490.0 (249) | |||||||||
| log(g) | [cgs] | 7.89 (0.04) | 8.07 (0.01) | 8.05 (0.05) | 7.98 (0.05) | 7.96 (0.01) | |||||||||
| Mass | [M☉] | 0.56 (0.02) | 0.6579999999999999 (0.005) | 0.65 (0.03) | 0.61 (0.03) | 0.594 (0.01) | |||||||||
| log(Luminosity) | [L☉] | -1.78 | |||||||||||||
| Cooling age | [Gyr] | 0.1259 | |||||||||||||
| 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] | 9.90 (0.05) | 9.93 (0.08) | 9.90 | 9.90 (0.05) | ||||||||||
| Distance | [pc] | 101.03 (0.5) | 100.66 (0.8) | 103.00 | 105.00 | 101.03 | 101.03 (0.5) | ||||||||
| Composition | H | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -33.559 (0.04) | -33.75524666 (0.1) | -33.559 (0.04) | |||||||||||
| Proper motion (declination) | [mas/yr] | -17.685 (0.04) | -17.38684673 (0.2) | -17.685 (0.04) | |||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | yes | ||||||||||||||
| B magnitude | 15.98 | ||||||||||||||
| V magnitude | 16.00 | ||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 16.50 (0.1) | ||||||||||||||
| H magnitude | 16.67 (0.3) | ||||||||||||||
| K magnitude | 16.04 (0.2) | ||||||||||||||
| u magnitude | 15.92 (0.006) | 15.92 (0.006) | 15.93 (0.02) | 15.92 (0.006) | |||||||||||
| g magnitude | 15.80 (0.004) | 15.80 (0.004) | 15.80 (0.02) | 15.80 (0.004) | |||||||||||
| r magnitude | 16.15 (0.004) | 16.15 (0.004) | 16.17 (0.02) | 16.15 (0.004) | |||||||||||
| i magnitude | 16.46 (0.005) | 16.46 (0.005) | 16.47 (0.02) | 16.46 (0.005) | |||||||||||
| z magnitude | 16.74 (0.01) | 16.74 (0.01) | 16.75 (0.02) | 16.74 (0.01) | |||||||||||
| G magnitude | 16.00 (0.003) | 16.02 | 16.00 | 16.00 (0.003) | |||||||||||
| BP magnitude | 15.94 (0.004) | 15.92 | |||||||||||||
| RP magnitude | 16.15 (0.005) | 16.15 | |||||||||||||
| Pan g magnitude | 15.88 (0.003) | ||||||||||||||
| Pan r magnitude | 16.18 (0.002) | ||||||||||||||
| Pan i magnitude | 16.47 (0.005) | ||||||||||||||
| Pan z magnitude | 16.72 (0.007) | ||||||||||||||
| Pan y magnitude | 16.88 (0.01) | ||||||||||||||
| E(B-V) | 0.018 | ||||||||||||||
* 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.