All names: LSPM J0108+7600, USNO-B1.0 1660-00009929, WDJ010849.75+760017.89, 2MASS J01084960+7600184, TIC 468626676, 01088+7600, Gaia DR3 563004280465719040, PM J01088+7600, PSO J017.2113+76.0051, Gaia EDR3 563004280465719040, GALEX J010850.0+760020, J0108+7600, Gaia DR2 563004280465719040
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 08 50.79 (0.06) | 01 08 50.76 (0.08) | 01 08 50.79 | 01 08 49.75 (0.06) | 01 08 50.76 | ||||||||
| Declination | 76 00 18.60 (0.07) | 76 00 18.58 (0.08) | 76 00 18.60 | 76 00 17.89 (0.07) | 76 00 18.58 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 6031.0 (24) | 5985.0 (90) | 6036.0 | 5807.0 | 6430.0 (128) | 6248.0 (48) | ||||||
| log(g) | [cgs] | 7.97 (0.01) | 7.97 (0.04) | 7.98 | 7.83 | 8.52 (0.2) | 8.06 (0.01) | ||||||
| Mass | [M☉] | 0.573 (0.009) | 0.569 (0.02) | 0.574 | 0.475 | 0.93 (0.1) | 0.627 (0.01) | ||||||
| log(Luminosity) | [L☉] | -3.93 | |||||||||||
| Cooling age | [Gyr] | 2.2100 | 2.1360 (0.2) | 2.1140 | 2.1560 | ||||||||
| 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] | 19.38 (0.07) | 19.49 (0.09) | 19.49 (0.09) | 19.49 (0.09) | 19.38 | 19.38 (0.07) | 19.49 (0.09) | |||||
| Distance | [pc] | 51.59 (0.2) | 51.31 (0.2) | 51.31 (0.2) | 51.31 (0.2) | 38.00 (2) | 51.59 | 51.59 (0.2) | 51.31 (0.2) | ||||
| Composition | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 237.6124347 (0.07) | 237.493 (0.1) | 237.0 | 237.612 (0.07) | 237.4928503 | |||||||
| Proper motion (declination) | [mas/yr] | 44.73608254 (0.1) | 44.711 (0.2) | 50.0 | 44.736 (0.1) | 44.71083394 | |||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 17.90 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 17.40 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.61 (0.1) | 16.61 (0.1) | 16.61 (0.1) | ||||||||||
| H magnitude | 16.40 (0.3) | 16.40 (0.3) | 16.40 (0.3) | ||||||||||
| K magnitude | |||||||||||||
| u magnitude | |||||||||||||
| g magnitude | 17.86 (0.03) | ||||||||||||
| r magnitude | 17.52 (0.01) | ||||||||||||
| i magnitude | 17.42 (0.005) | ||||||||||||
| z magnitude | 17.40 (0.006) | ||||||||||||
| G magnitude | 17.51 (0.01) | 17.53 | 17.51 | 17.51 (0.003) | 17.53 | ||||||||
| BP magnitude | 17.82 (0.01) | 17.78 | 17.78 | ||||||||||
| RP magnitude | 17.09 (0.007) | 17.07 | 17.07 | ||||||||||
| Pan g magnitude | 17.86 (0.03) | 17.84 (0.003) | 17.86 (0.03) | ||||||||||
| Pan r magnitude | 17.52 (0.02) | 17.50 (0.003) | 17.52 (0.01) | ||||||||||
| Pan i magnitude | 17.42 (0.004) | 17.41 (0.01) | 17.42 (0.005) | ||||||||||
| Pan z magnitude | 17.40 (0.004) | 17.39 (0.007) | 17.40 (0.006) | ||||||||||
| Pan y magnitude | 17.37 (0.02) | 17.34 (0.06) | 17.37 (0.02) | ||||||||||
| E(B-V) | 0.002 | ||||||||||||
* 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.