All names: ATO J225.0805+16.9872, Gaia DR3 1187637042361283456, WIRED J150019.33+165914.4, PG 1458+172, WD 1458+171, SDSS J150019.34+165914.4, SDSS J150019.33+165914.4, WISE J150019.34+165914.2, UCAC4 535-056962, USNO-B1.0 1069-00264287, Gaia DR2 1187637042361283456, TIC 119736060, Gaia EDR3 1187637042361283456, 2MASS J15001934+1659146, CRTS J150019.3+165915, WISEA J150019.33+165914.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 00 19.33 (0.03) | 15 00 19.33 | 15 00 19.33 (0.07) | 15 00 19.33 | 15 00 19.34 (0.03) | 15 00 19.30 | 15 00 19.34 | |||||
| Declination | 16 59 14.20 (0.04) | 16 59 14.40 | 16 59 14.21 (0.08) | 16 59 14.20 | 16 59 14.49 (0.04) | 16 59 08.88 | 16 59 14.42 | |||||
| Spectral type | DA | DA | DA5+dM | DA2 | DA+M | DA+MS | ||||||
| Effective temperature | [K] | 22600.0 (490) | 22816.0 (165) | |||||||||
| log(g) | [cgs] | 7.45 (0.07) | 7.17 (0.03) | |||||||||
| Mass | [M☉] | 0.42 (0.02) | ||||||||||
| 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] | 4.46 (0.05) | 4.53 (0.1) | 4.46 | 4.46 (0.05) | |||||||
| Distance | [pc] | 224.16 (3) | 220.93 (5) | 214.00 | 224.16 | 224.16 (3) | ||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -10.80837738 (0.05) | -10.64156879 (0.1) | -10.808 (0.05) | ||||||||
| Proper motion (declination) | [mas/yr] | -18.53134228 (0.05) | -18.29503116 (0.2) | -18.531 (0.05) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | ||||||||||
| B magnitude | 16.20 (0.1) | |||||||||||
| V magnitude | 16.26 (0.2) | |||||||||||
| R magnitude | 16.21 (0.1) | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 14.70 (0.03) | |||||||||||
| H magnitude | 14.21 (0.05) | |||||||||||
| K magnitude | 13.85 (0.05) | |||||||||||
| u magnitude | 16.16 (0.006) | 16.16 (0.006) | 16.17 (0.02) | |||||||||
| g magnitude | 16.08 (0.004) | 16.08 (0.004) | 16.11 (0.02) | |||||||||
| r magnitude | 16.35 (0.005) | 16.35 (0.005) | 16.37 (0.01) | |||||||||
| i magnitude | 16.21 (0.006) | 16.21 (0.006) | 16.21 (0.02) | |||||||||
| z magnitude | 15.87 (0.007) | 15.88 (0.007) | 15.88 (0.02) | |||||||||
| G magnitude | 16.13 (0.007) | 16.15 | 16.13 | 16.13 (0.004) | ||||||||
| BP magnitude | 16.22 (0.007) | 16.21 | ||||||||||
| RP magnitude | 15.84 (0.01) | 15.86 | ||||||||||
| Pan g magnitude | 16.18 (0.01) | |||||||||||
| Pan r magnitude | 16.45 (0.008) | |||||||||||
| Pan i magnitude | 16.16 (0.003) | |||||||||||
| Pan z magnitude | 16.02 (0.01) | |||||||||||
| Pan y magnitude | 15.79 (0.008) | |||||||||||
| E(B-V) | 0.031 | |||||||||||
* 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.