All names: LP 92-134, J1026+5807, LSPM J1026+5807, WDJ102635.81+580714.86, SDSS J102635.81+580714.8, NLTT 24319, SDSS J102635.79+580714.6, Gaia DR2 1047132925349510784, Gaia DR3 1047132925349510784, WD 1023+583, GALEX J102635.8+580714, USNO-B1.0 1481-00245295, SDSS J102635.80+580714.8, WIRED J102635.80+580714.7, SDSS J102635.79+580714.7, SDSS J102635.79+580714.8, Gaia EDR3 1047132925349510784, SDSS J102635.58+580712.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Coutu et al. 2019 | Gaia DR2 | Stilism | Koester et al. 2006 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 26 35.53 (0.03) | 10 26 35.79 | 10 26 35.81 | 10 26 35.54 (0.06) | 10 26 35.53 | 10 26 35.81 (0.03) | 10 26 35.54 | 10 26 35.79 | 10 26 35.23 | 10 26 35.80 | |||||||
| Declination | 58 07 12.13 (0.04) | 58 07 14.69 | 58 07 14.86 | 58 07 12.21 (0.07) | 58 07 12.13 | 58 07 14.86 (0.04) | 58 07 12.21 | 58 07 14.85 | 58 07 13.08 | 58 07 14.80 | |||||||
| Spectral type | DQ | DQ | DQ | DQ | DQ | DQ | DQ | DQ | DQ | DQ | DQ | ||||||
| Effective temperature | [K] | 8271.0 (40) | 8351.0 (34) | 8133.0 (189) | 8879.0 | 8039.0 (47) | 10084.0 (12) | 10086.0 (18) | |||||||||
| log(g) | [cgs] | 7.93 (0.009) | 7.96 (0.01) | 7.90 | 8.00 (0) | 7.88 (0.01) | 8.77 (0.2) | 9.28 (0.6) | |||||||||
| Mass | [M☉] | 0.537 (0.007) | 0.554 (0.008) | 0.5164 | 0.51 (0.009) | ||||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||||
| Cooling age | [Gyr] | 0.9900 | 0.9320 | ||||||||||||||
| log(H/He) | |||||||||||||||||
| log(C/He) | -5.24 | -5.18 | -5.3513 (0.06) | -4.56 (0.03) | |||||||||||||
| 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] | 14.48 (0.06) | 14.48 (0.1) | 14.48 | 14.48 (0.1) | 14.48 | 14.48 (0.06) | 14.48 (0.1) | |||||||||
| Distance | [pc] | 69.06 (0.3) | 69.06 (0.5) | 69.06 (0.5) | 69.06 (0.5) | 69.06 | 69.06 (0.3) | 69.06 (0.5) | |||||||||
| Composition | He | He | He | He | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -137.723967 (0.04) | -137.6796571 (0.1) | -137.724 (0.04) | -137.68 | -137.1 | |||||||||||
| Proper motion (declination) | [mas/yr] | -170.796841 (0.06) | -170.7729939 (0.1) | -170.797 (0.06) | -170.773 | -170.8 | |||||||||||
| Variability | |||||||||||||||||
| Magnetic | |||||||||||||||||
| Bd | [MG] | ||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||
| Binarity | |||||||||||||||||
| B magnitude | 16.70 | ||||||||||||||||
| V magnitude | |||||||||||||||||
| R magnitude | 17.10 | ||||||||||||||||
| I magnitude | |||||||||||||||||
| J magnitude | 16.94 (0.02) | ||||||||||||||||
| H magnitude | |||||||||||||||||
| K magnitude | |||||||||||||||||
| u magnitude | 17.34 (0.008) | 17.33 (0.009) | 17.34 (0.008) | 17.34 (0.008) | 17.30 (0.01) | 17.29 | 17.31 (0.01) | ||||||||||
| g magnitude | 17.10 (0.004) | 17.10 (0.004) | 17.10 (0.004) | 17.07 (0.02) | 17.06 | 17.09 (0.02) | |||||||||||
| r magnitude | 17.13 (0.005) | 17.13 (0.005) | 17.13 (0.005) | 17.11 (0.02) | 17.10 | 17.12 (0.02) | |||||||||||
| i magnitude | 17.23 (0.005) | 17.23 (0.005) | 17.23 (0.005) | 17.21 (0.02) | 17.21 | 17.24 (0.02) | |||||||||||
| z magnitude | 17.35 (0.01) | 17.35 (0.01) | 17.35 (0.01) | 17.36 (0.02) | 17.36 | 17.40 (0.02) | |||||||||||
| G magnitude | 17.06 (0.003) | 17.09 | 17.06 | 17.06 (0.003) | 17.09 | ||||||||||||
| BP magnitude | 17.14 (0.003) | 17.13 | 17.13 | ||||||||||||||
| RP magnitude | 16.92 (0.005) | 16.92 | 16.92 | ||||||||||||||
| Pan g magnitude | 17.11 (0.004) | 17.11 (0.004) | |||||||||||||||
| Pan r magnitude | 17.14 (0.004) | 17.14 (0.005) | |||||||||||||||
| Pan i magnitude | 17.23 (0.004) | 17.23 (0.003) | |||||||||||||||
| Pan z magnitude | 17.36 (0.004) | 17.36 (0.003) | |||||||||||||||
| Pan y magnitude | 17.47 (0.008) | 17.47 (0.009) | |||||||||||||||
| E(B-V) | 0.003 | ||||||||||||||||
* 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.