All names: Gaia DR3 4367353266060378624, Gaia EDR3 4367353266060378624, Gaia DR2 4367353266060378624, 1717-014, WD 1717-014, J1719-0130, WDJ171952.83-013001.84, EGGR 495, LP 627-22
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | Leggett et al. 2018 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 19 52.48 (0.2) | 17 19 52.49 (0.2) | 17 19 52.48 | 17 19 52.83 (0.2) | 17 19 52.49 | 17 19 47.47 | ||||||||
| Declination | -01 30 04.87 (0.1) | -01 30 04.77 (0.2) | -01 30 04.87 | -01 30 01.84 (0.1) | -01 30 04.77 | -01 30 00.36 | ||||||||
| Spectral type | DC | DC: | DC:10.9 | DC: | DC9 | DC9 | ||||||||
| Effective temperature | [K] | 4560.0 (96) | 4668.0 (37) | 4605.0 (75) | 4652.0 | 4334.0 | 4641.0 (48) | |||||||
| log(g) | [cgs] | 7.88 (0.09) | 7.99 (0.02) | 7.98 (0.05) | 7.97 | 7.73 | 7.95 (0.03) | |||||||
| Mass | [M☉] | 0.509 (0.05) | 0.574 (0.02) | 0.565 (0.04) | 0.559 | 0.416 | 0.546 (0.02) | |||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 7.3300 | 7.0410 (0.5) | 6.7660 | 4.8450 | |||||||||
| 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] | 25.99 (0.2) | 25.99 (0.2) | 26.18 (0.3) | 26.54 (0.6) | 26.18 (0.3) | 25.99 | 25.99 (0.2) | 26.18 (0.3) | |||||
| Distance | [pc] | 38.48 (0.3) | 38.48 (0.3) | 38.20 (0.4) | 37.68 (0.9) | 38.19 (0.4) | 38.48 | 38.48 (0.3) | 38.19 (0.4) | |||||
| Composition | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -326.373546 (0.2) | -326.214 (0.4) | -326.374 (0.2) | -326.213967 | |||||||||
| Proper motion (declination) | [mas/yr] | -189.2495612 (0.1) | -189.35 (0.4) | -189.25 (0.1) | -189.349969 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.67 (0.01) | |||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | 16.42 (0.04) | |||||||||||||
| u magnitude | ||||||||||||||
| g magnitude | ||||||||||||||
| r magnitude | ||||||||||||||
| i magnitude | ||||||||||||||
| z magnitude | ||||||||||||||
| G magnitude | 18.09 (0.02) | 18.11 | 18.09 | 18.09 (0.003) | 18.11 | |||||||||
| BP magnitude | 18.67 (0.02) | 18.69 | 18.69 | |||||||||||
| RP magnitude | 17.38 (0.01) | 17.41 | 17.41 | |||||||||||
| Pan g magnitude | 18.78 (0.02) | 18.78 (0.02) | ||||||||||||
| Pan r magnitude | 18.06 (0.01) | 18.06 (0.01) | ||||||||||||
| Pan i magnitude | 17.74 (0.008) | 17.74 (0.008) | ||||||||||||
| Pan z magnitude | 17.61 (0.01) | 17.61 (0.01) | ||||||||||||
| Pan y magnitude | 17.55 (0.01) | 17.55 (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.