All names: WDJ155133.17+143937.88, SDSS J155133.16+143937.8, J1551+1439, Gaia DR2 1192571822348252160, Gaia DR3 1192571822348252160, Gaia EDR3 1192571822348252160, GALEX J155133.1+143937, SDSS J155133.15+143937.8
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 51 33.14 (0.08) | 15 51 33.14 | 15 51 33.14 | 15 51 33.17 (0.08) | ||||
| Declination | 14 39 37.99 (0.06) | 14 39 37.99 | 14 39 37.99 | 14 39 37.88 (0.06) | ||||
| Spectral type | DZA | DZ | DZA | |||||
| Effective temperature | [K] | 9611.0 (75) | 8953.0 (139) | |||||
| log(g) | [cgs] | 8.11 (0.02) | 7.99 (0.03) | |||||
| Mass | [M☉] | 0.65 (0.02) | 0.573 (0.02) | |||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | 0.8600 | ||||||
| log(H/He) | -4.4 | |||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| log(N/He) | ||||||||
| log(O/He) | ||||||||
| log(Na/He) | ||||||||
| log(Mg/He) | ||||||||
| log(Al/He) | ||||||||
| log(Si/He) | ||||||||
| log(P/He) | ||||||||
| log(S/He) | ||||||||
| log(Cl/He) | ||||||||
| log(Sc/He) | ||||||||
| log(Ti/He) | ||||||||
| log(V/He) | ||||||||
| log(Cr/He) | ||||||||
| log(Mn/He) | ||||||||
| log(Fe/He) | ||||||||
| log(Co/He) | ||||||||
| log(Ni/He) | ||||||||
| log(Cu/He) | ||||||||
| log(Zn/He) | ||||||||
| log(Ga/He) | ||||||||
| log(Ge/He) | ||||||||
| log(Sr/He) | ||||||||
| Parallax | [mas] | 9.84 (0.1) | 9.85 (0.2) | 9.85 (0.2) | 9.84 | 9.84 (0.1) | ||
| Distance | [pc] | 101.64 (1) | 101.52 (2) | 101.57 (2) | 101.64 | 101.64 (1) | ||
| Composition | He | |||||||
| Proper motion (right ascension) | [mas/yr] | -26.56687577 (0.1) | -26.87715217 (0.2) | -26.567 (0.1) | ||||
| Proper motion (declination) | [mas/yr] | 6.97795914 (0.07) | 6.808955893 (0.1) | 6.978 (0.07) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 17.67 (0.03) | |||||||
| H magnitude | ||||||||
| K magnitude | 17.85 (0.2) | |||||||
| u magnitude | 17.82 (0.01) | 17.85 (0.01) | ||||||
| g magnitude | 17.67 (0.005) | |||||||
| r magnitude | 17.77 (0.006) | |||||||
| i magnitude | 17.90 (0.008) | |||||||
| z magnitude | 18.08 (0.02) | |||||||
| G magnitude | 17.68 (0.01) | 17.71 | 17.68 | 17.68 (0.003) | ||||
| BP magnitude | 17.74 (0.01) | 17.72 | ||||||
| RP magnitude | 17.61 (0.01) | 17.61 | ||||||
| Pan g magnitude | 17.69 (0.006) | 17.69 (0.005) | ||||||
| Pan r magnitude | 17.79 (0.004) | 17.79 (0.004) | ||||||
| Pan i magnitude | 17.91 (0.003) | 17.91 (0.003) | ||||||
| Pan z magnitude | 18.07 (0.01) | 18.07 (0.01) | ||||||
| Pan y magnitude | 18.17 (0.01) | 18.17 (0.01) | ||||||
| E(B-V) | 0.014 | |||||||
* 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.