All names: GALEX J150156.2+302258, LAMOST J150156.26+302300.13, SDSS J150156.32+302258.3, ** SKF 45A, Gaia DR2 1276054682231244160, LAMOST J150156.25+302300.1, SDSS J150156.33+302258.4, WDS J15019+3023A, Gaia EDR3 1276054682231244160, WDJ150156.33+302258.23, WD 1459+305, Gaia DR3 1276054682231244160, PG 1459+306, J1501+3022
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | Gaia DR2 | Stilism | Guo et al. 2015 | Zhao et al. 2013 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 01 56.28 (0.02) | 15 01 56.28 (0.02) | 15 01 56.26 | 15 01 56.28 | 15 01 56.33 (0.02) | 15 01 56.28 | 15 01 55.87 | |||||||
| Declination | 30 22 59.07 (0.02) | 30 22 59.05 (0.03) | 30 23 00.13 | 30 22 59.07 | 30 22 58.23 (0.02) | 30 22 59.05 | 30 22 50.16 | |||||||
| Spectral type | DA | DA | DA | DA | DA | DA1.9 | DA2 | |||||||
| Effective temperature | [K] | 24503.0 (447) | 24502.0 (448) | 25533.0 (218) | 27051.0 (339) | 26230.0 (402) | 25495.0 (169) | |||||||
| log(g) | [cgs] | 7.92 (0.01) | 7.93 (0.02) | 7.99 (0.03) | 7.84 (0.05) | 7.95 (0.05) | 7.97 (0.007) | |||||||
| Mass | [M☉] | 0.594 (0.01) | 0.597 (0.01) | 0.63 (0.02) | 0.56 (0.03) | 0.61 (0.03) | 0.619 (0.005) | |||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.0120 (0.001) | ||||||||||||
| 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] | 14.92 (0.03) | 15.00 (0.04) | 14.92 | 14.92 (0.03) | 15.00 (0.04) | ||||||||
| Distance | [pc] | 67.02 (0.2) | 66.66 (0.2) | 77.00 | 57.00 | 67.02 | 67.02 (0.2) | 66.66 (0.2) | ||||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -43.251 (0.02) | -43.15009245 (0.04) | -43.251 (0.02) | -43.15009245 | |||||||||
| Proper motion (declination) | [mas/yr] | 52.835 (0.04) | 52.77189827 (0.06) | 52.835 (0.04) | 52.77189827 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | yes | |||||||||||||
| B magnitude | 14.28 | |||||||||||||
| V magnitude | 14.58 | |||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 14.13 | 14.09 (0.003) | 14.09 (0.003) | |||||||||||
| g magnitude | 14.24 | 14.20 (0.003) | 14.20 (0.003) | |||||||||||
| r magnitude | 14.71 | 14.64 (0.004) | 14.64 (0.004) | |||||||||||
| i magnitude | 14.96 | 14.91 (0.004) | 14.91 (0.004) | |||||||||||
| z magnitude | 15.32 | 15.31 (0.006) | 15.31 (0.006) | |||||||||||
| G magnitude | 14.42 (0.003) | 14.44 | 14.42 | 14.42 (0.003) | 14.44 | |||||||||
| BP magnitude | 14.30 (0.003) | 14.24 | 14.24 | |||||||||||
| RP magnitude | 14.64 (0.004) | 14.64 | 14.64 | |||||||||||
| Pan g magnitude | 14.26 (0.01) | |||||||||||||
| Pan r magnitude | 14.66 (0.003) | |||||||||||||
| Pan i magnitude | 14.98 (0.003) | |||||||||||||
| Pan z magnitude | 15.26 (0.009) | |||||||||||||
| Pan y magnitude | 15.40 (0.006) | |||||||||||||
| E(B-V) | 0.009 | |||||||||||||
* 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.