All names: WDJ101833.20-044228.21, TIC 62845369, LP 669-73, WD 1016-044, Gaia DR3 3780210350269115776, PSO J154.6376-04.7080, GALEX J101833.1-044228, Gaia DR2 3780210350269115776, Gaia EDR3 3780210350269115776, NLTT 23966, 2MASS J10183319-0442283, J1018-0442
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2026b | Caron et al. 2023 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Kawka & Vennes 2012 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 18 33.03 (0.08) | 10 18 33.04 (0.2) | 10 18 33.03 | 10 18 33.20 (0.08) | 10 18 33.04 | 10 18 32.42 | ||||||||
| Declination | -04 42 28.89 (0.1) | -04 42 28.87 (0.3) | -04 42 28.89 | -04 42 28.21 (0.1) | -04 42 28.87 | -04 42 27.36 | ||||||||
| Spectral type | DA | DAZ | DAZ | DAZ | DA | DAZ | DAZ6.3 | |||||||
| Effective temperature | [K] | 7731.0 (38) | 7927.0 (40) | 7810.0 (85) | 7856.0 | 7790.0 (40) | 7914.0 (114) | |||||||
| log(g) | [cgs] | 8.05 (0.01) | 8.10 (0.01) | 8.07 (0.03) | 8.08 | 7.88 (0.07) | 8.10 (0.03) | |||||||
| Mass | [M☉] | 0.624 (0.01) | 0.654 (0.01) | 0.638 (0.02) | 0.641 | 0.52 (0.04) | 0.657 (0.02) | |||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 1.3200 | 1.2650 (0.06) | 1.2550 | 0.9900 | |||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| log(Li/H) | ||||||||||||||
| log(Be/H) | ||||||||||||||
| log(B/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(Cl/H) | ||||||||||||||
| log(K/H) | ||||||||||||||
| log(Sc/H) | ||||||||||||||
| log(Ti/H) | ||||||||||||||
| log(V/H) | ||||||||||||||
| log(Cr/H) | ||||||||||||||
| log(Mn/H) | ||||||||||||||
| log(Fe/H) | ||||||||||||||
| log(Co/H) | ||||||||||||||
| log(Ni/H) | ||||||||||||||
| log(Cu/H) | ||||||||||||||
| log(Sr/H) | ||||||||||||||
| Parallax | [mas] | 16.63 (0.1) | 16.55 (0.1) | 16.55 (0.2) | 16.55 (0.2) | 16.63 | 16.63 (0.1) | 16.55 (0.2) | ||||||
| Distance | [pc] | 60.13 (0.4) | 60.42 (0.5) | 60.42 (0.6) | 60.42 (0.6) | 67.00 (4) | 60.13 | 60.13 (0.4) | 60.42 (0.6) | |||||
| Composition | H | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -151.5846 (0.1) | -151.441306 (0.3) | -151.585 (0.1) | -151.441306 | |||||||||
| Proper motion (declination) | [mas/yr] | -42.44219947 (0.1) | -42.66261327 (0.4) | -42.442 (0.1) | -42.66261327 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | -0.0034 (0.002) | ||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | 17.13 (0.04) | |||||||||||||
| R magnitude | 16.89 | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.54 (0.01) | 16.54 (0.1) | 16.54 (0.1) | |||||||||||
| H magnitude | 16.42 (0.02) | 16.36 (0.2) | 16.36 (0.2) | |||||||||||
| K magnitude | 16.40 (0.04) | |||||||||||||
| u magnitude | ||||||||||||||
| g magnitude | 17.15 (0.005) | |||||||||||||
| r magnitude | 17.07 (0.002) | |||||||||||||
| i magnitude | 17.10 (0.003) | |||||||||||||
| z magnitude | 17.18 (0.004) | |||||||||||||
| G magnitude | 17.03 (0.007) | 17.05 | 17.03 | 17.03 (0.003) | 17.05 | |||||||||
| BP magnitude | 17.17 (0.007) | 17.18 | 17.18 | |||||||||||
| RP magnitude | 16.79 (0.01) | 16.79 | 16.79 | |||||||||||
| Pan g magnitude | 17.15 (0.005) | 17.15 (0.005) | 17.15 (0.005) | |||||||||||
| Pan r magnitude | 17.07 (0.002) | 17.07 (0.002) | 17.07 (0.002) | |||||||||||
| Pan i magnitude | 17.10 (0.003) | 17.10 (0.003) | 17.10 (0.003) | |||||||||||
| Pan z magnitude | 17.18 (0.004) | 17.18 (0.004) | 17.18 (0.004) | |||||||||||
| Pan y magnitude | 17.25 (0.008) | 17.25 (0.01) | 17.25 (0.01) | |||||||||||
| E(B-V) | 0.001 | |||||||||||||
* 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.