All names: J0805+3833, LSPM J0805+3833, PSO J121.4876+38.5605, SDSS J080557.62+383344.1, CNS5 1996, 08059+3833, Gaia EDR3 908962109449446656, WD 0802+387, Gaia DR3 908962109449446656, SDSS J080557.61+383344.0, LP 257-28, USNO-B1.0 1285-00173819, PM J08059+3833, TIC 362022684, WDJ080557.67+383344.66, Gaia DR2 908962109449446656, NLTT 18920, LHS 1980, 2MASS J08055764+3833444
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2026b | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | Kilic et al. 2020 | McCleery et al. 2020 | Blouin et al. 2019 | Gaia DR2 | Subasavage et al. 2017 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 05 56.82 (0.05) | 08 05 56.85 (0.06) | 08 05 56.85 (0.06) | 08 05 57.66 | 08 05 56.82 | 08 05 57.67 (0.05) | 08 05 56.85 | 08 06 00.48 | ||||||||||
| Declination | 38 33 35.85 (0.04) | 38 33 36.13 (0.05) | 38 33 36.13 (0.05) | 38 33 04.07 | 38 33 35.85 | 38 33 44.66 (0.04) | 38 33 36.13 | 38 34 10.56 | ||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | DC | DC9 | DC9 | ||||||
| Effective temperature | [K] | 5089.0 (8) | 4908.0 (12) | 4906.0 (32) | 4909.0 (11) | 4911.0 (12) | 4847.5 (30) | 4915.0 (25) | 4990.0 (70) | 5160.0 (69) | 4987.0 (28) | |||||||
| log(g) | [cgs] | 8.20 (0.003) | 8.06 (0.006) | 8.06 (0.03) | 8.08 (0.006) | 8.07 (0.005) | 8.02 (0.03) | 8.08 (0.02) | 8.19 (0.04) | 8.23 (0.03) | 8.11 (0.01) | |||||||
| Mass | [M☉] | 0.709 (0.004) | 0.619 (0.006) | 0.617 (0.02) | 0.627 (0.006) | 0.62 (0.005) | 0.627 (0.01) | 0.7 (0.04) | 0.73 (0.02) | 0.651 (0.01) | ||||||||
| log(Luminosity) | [L☉] | -4.16 (0.04) | -4.13 | |||||||||||||||
| Cooling age | [Gyr] | 7.4100 | 6.8990 (0.2) | 7.5400 (0.4) | ||||||||||||||
| 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] | 48.47 (0.06) | 48.47 (0.06) | 48.46 (0.09) | 48.46 (0.09) | 48.46 (0.09) | 48.46 (0.09) | 48.71 (0.5) | 48.00 (1) | 48.47 | 48.47 (0.06) | 48.46 (0.09) | ||||||
| Distance | [pc] | 20.63 (0.03) | 20.63 (0.03) | 20.64 (0.04) | 20.64 (0.04) | 20.64 (0.04) | 20.64 (0.04) | 20.53 (0.2) | 20.80 (2) | 20.63 | 20.63 (0.03) | 20.64 (0.04) | ||||||
| Composition | H | H | H | H | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -622.4054565 (0.07) | -622.436976 (0.1) | -622.405 (0.07) | -622.436976 | |||||||||||||
| Proper motion (declination) | [mas/yr] | -550.8832769 (0.05) | -550.8850236 (0.09) | -550.883 (0.05) | -550.8850236 | |||||||||||||
| Variability | ||||||||||||||||||
| Magnetic | ||||||||||||||||||
| Bd | [MG] | |||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||
| Binarity | ||||||||||||||||||
| B magnitude | 17.88 | 17.20 | ||||||||||||||||
| V magnitude | 16.89 | |||||||||||||||||
| R magnitude | 16.20 | |||||||||||||||||
| I magnitude | 15.97 | |||||||||||||||||
| J magnitude | 15.34 (0.05) | 15.34 (0.05) | 15.34 (0.05) | 15.34 (0.05) | ||||||||||||||
| H magnitude | 15.19 (0.08) | 15.19 (0.08) | 15.19 (0.08) | 15.19 (0.08) | ||||||||||||||
| K magnitude | 14.90 (0.09) | 14.90 (0.09) | 14.90 (0.09) | 14.90 (0.09) | ||||||||||||||
| u magnitude | 19.04 (0.02) | 19.02 (0.02) | 19.02 (0.02) | |||||||||||||||
| g magnitude | 17.22 (0.004) | 17.31 (0.004) | ||||||||||||||||
| r magnitude | 16.58 (0.001) | 16.57 (0.004) | ||||||||||||||||
| i magnitude | 16.31 (0.005) | 16.29 (0.004) | ||||||||||||||||
| z magnitude | 16.22 (0.005) | 16.19 (0.007) | ||||||||||||||||
| G magnitude | 16.61 (0.005) | 16.63 | 16.63 | 16.61 | 16.61 (0.003) | 16.63 | ||||||||||||
| BP magnitude | 17.10 (0.005) | 17.14 | 17.14 | |||||||||||||||
| RP magnitude | 15.97 (0.004) | 15.97 | 15.97 | |||||||||||||||
| Pan g magnitude | 17.22 (0.004) | 17.22 (0.004) | 17.22 (0.004) | |||||||||||||||
| Pan r magnitude | 16.58 (0.001) | 16.58 (0.001) | 16.58 (0.001) | |||||||||||||||
| Pan i magnitude | 16.31 (0.005) | 16.31 (0.005) | 16.31 (0.005) | |||||||||||||||
| Pan z magnitude | 16.22 (0.004) | 16.22 (0.005) | 16.22 (0.005) | |||||||||||||||
| Pan y magnitude | 16.18 (0.005) | 16.18 (0.005) | 16.18 (0.005) | |||||||||||||||
| 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.