All names: PSO J134.8044-00.9790, LP 606-32, 2MASS J08591290-0058428, J0859-0058, Gaia DR3 5764485618978306176, SDSS J085912.99-005843.7, CNS5 2222, SDSS J085912.98-005843.7, NLTT 20690, TIC 816793, Gaia EDR3 5764485618978306176, WDJ085912.92-005842.86, WD 0856-007, Gaia DR2 5764485618978306176
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | Blouin et al. 2019 | Gaia DR2 | Subasavage et al. 2017 | Stilism | Subasavage et al. 2008 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 59 13.08 (0.04) | 08 59 13.08 (0.05) | 08 59 12.91 | 08 59 12.91 | 08 59 13.08 | 08 59 12.92 (0.04) | 08 59 13.08 | 08 59 13.01 | |||||||
| Declination | -00 58 44.77 (0.02) | -00 58 44.71 (0.04) | -00 58 04.09 | -00 58 42.90 | -00 58 44.77 | -00 58 42.86 (0.02) | -00 58 44.71 | -00 58 42.24 | |||||||
| Spectral type | DC | DC | DC | DC | DC | DC | DC: | DC | DC9.5 | ||||||
| Effective temperature | [K] | 4982.0 (10) | 4997.0 (25) | 5016.0 (10) | 4655.0 (45) | 5240.0 (90) | 5309.0 (126) | 5056.0 (13) | |||||||
| log(g) | [cgs] | 7.95 (0.005) | 7.95 (0.02) | 7.98 (0.005) | 7.73 (0.02) | 8.10 (0.04) | 7.98 (0.007) | ||||||||
| Mass | [M☉] | 0.547 (0.004) | 0.548 (0.01) | 0.566 (0.003) | 0.419 (0.01) | 0.64 (0.03) | 0.57 (0.006) | ||||||||
| log(Luminosity) | [L☉] | -4.02 (0.04) | |||||||||||||
| Cooling age | [Gyr] | 5.5200 | 3.9870 (0.2) | 5.6200 (0.6) | |||||||||||
| 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] | 54.78 (0.05) | 54.78 (0.05) | 54.73 (0.07) | 54.73 (0.07) | 54.73 (0.07) | 54.32 (0.9) | 54.78 | 54.78 (0.05) | 54.73 (0.07) | 51.80 | ||||
| Distance | [pc] | 18.25 (0.02) | 18.25 (0.02) | 18.27 (0.02) | 18.27 (0.02) | 18.27 (0.02) | 18.41 (0.3) | 19.30 | 18.25 | 18.25 (0.02) | 18.27 (0.02) | 19.31 | |||
| Composition | H | H | He | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 156.6355108 (0.05) | 156.325351 (0.1) | 156.636 (0.05) | 156.325351 | ||||||||||
| Proper motion (declination) | [mas/yr] | -119.5886842 (0.04) | -119.567401 (0.1) | -119.589 (0.04) | -119.567401 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | |||||||||||||||
| V magnitude | 16.33 | 16.15 | |||||||||||||
| R magnitude | 15.85 | ||||||||||||||
| I magnitude | 15.39 | ||||||||||||||
| J magnitude | 14.83 (0.04) | 14.83 (0.04) | 14.83 (0.04) | 14.83 (0.04) | 14.83 (0.04) | ||||||||||
| H magnitude | 14.58 (0.05) | 14.58 (0.05) | 14.58 (0.05) | 14.58 (0.05) | 14.58 (0.05) | ||||||||||
| K magnitude | 14.69 (0.1) | 14.69 (0.1) | 14.69 (0.1) | 14.69 (0.1) | 14.69 (0.1) | ||||||||||
| u magnitude | 18.38 (0.02) | 18.38 (0.02) | 18.41 (0.01) | ||||||||||||
| g magnitude | 16.68 (0.004) | 16.77 (0.004) | |||||||||||||
| r magnitude | 16.08 (0.003) | 16.07 (0.004) | |||||||||||||
| i magnitude | 15.83 (0.002) | 15.80 (0.004) | |||||||||||||
| z magnitude | 15.74 (0.004) | 15.71 (0.006) | |||||||||||||
| G magnitude | 16.10 (0.003) | 16.12 | 16.10 | 16.10 (0.003) | 16.12 | ||||||||||
| BP magnitude | 16.57 (0.003) | 16.60 | 16.60 | ||||||||||||
| RP magnitude | 15.47 (0.002) | 15.48 | 15.48 | ||||||||||||
| Pan g magnitude | 16.68 (0.003) | 16.68 (0.004) | 16.68 (0.004) | ||||||||||||
| Pan r magnitude | 16.08 (0.003) | 16.08 (0.003) | 16.08 (0.003) | ||||||||||||
| Pan i magnitude | 15.83 (0.002) | 15.83 (0.002) | 15.83 (0.002) | ||||||||||||
| Pan z magnitude | 15.74 (0.004) | 15.74 (0.004) | 15.74 (0.004) | ||||||||||||
| Pan y magnitude | 15.71 (0.004) | 15.71 (0.003) | 15.71 (0.003) | ||||||||||||
| E(B-V) | 0.000 | ||||||||||||||
* 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.