All names: USNO-B1.0 0920-00017157, TIC 369490606, Gaia DR3 2558736322894795648, HE 0131+0149, CHSS 3187, WD 0131+018, Gaia DR2 2558736322894795648, SDSS J013428.46+020421.6, 2MASS J01342842+0204219, J0134+0204, Gaia EDR3 2558736322894795648, PHL 1040, GALEX J013428.4+020421, WDJ013428.42+020422.00, SDSS J013428.45+020421.5, uvby98 610161040
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | Gaia DR2 | Stilism | Koester et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 34 28.49 (0.1) | 01 34 28.48 (0.1) | 01 34 28.49 | 01 34 28.42 (0.1) | 01 34 28.48 | 01 34 28.66 | ||||||
| Declination | 02 04 21.37 (0.06) | 02 04 21.38 (0.07) | 02 04 21.37 | 02 04 21.98 (0.06) | 02 04 21.38 | 02 04 20.64 | ||||||
| Spectral type | DA | DA | DA | DA | DA3.3 | |||||||
| Effective temperature | [K] | 13072.0 (139) | 13022.0 (140) | 15228.0 (34) | 13244.0 (82) | |||||||
| log(g) | [cgs] | 7.77 (0.01) | 7.83 (0.01) | 7.75 (0.007) | 7.79 (0.009) | |||||||
| Mass | [M☉] | 0.487 (0.008) | 0.514 (0.007) | 0.496 (0.007) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | |||||||||||
| 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] | 20.92 (0.1) | 21.72 (0.1) | 20.92 | 20.92 (0.1) | 21.72 (0.1) | ||||||
| Distance | [pc] | 47.81 (0.3) | 46.05 (0.3) | 47.81 | 47.81 (0.3) | 46.05 (0.3) | ||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 59.62005201 (0.1) | 58.00594225 (0.2) | 59.62 (0.1) | 58.00594225 | |||||||
| Proper motion (declination) | [mas/yr] | -38.49323964 (0.07) | -39.57282594 (0.1) | -38.493 (0.07) | -39.57282594 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | yes | |||||||||||
| B magnitude | 14.69 | 14.80 | ||||||||||
| V magnitude | 14.10 | |||||||||||
| R magnitude | 14.20 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 14.80 (0.04) | |||||||||||
| H magnitude | 14.84 (0.07) | |||||||||||
| K magnitude | 14.82 (0.1) | |||||||||||
| u magnitude | 14.95 (0.005) | 14.95 (0.005) | ||||||||||
| g magnitude | 14.55 (0.004) | 14.55 (0.004) | ||||||||||
| r magnitude | 14.79 (0.004) | 14.79 (0.004) | ||||||||||
| i magnitude | 15.00 (0.005) | 15.00 (0.005) | ||||||||||
| z magnitude | 15.25 (0.006) | 15.25 (0.006) | ||||||||||
| G magnitude | 14.66 (0.001) | 14.68 | 14.66 | 14.66 (0.003) | 14.68 | |||||||
| BP magnitude | 14.65 (0.001) | 14.66 | 14.66 | |||||||||
| RP magnitude | 14.71 (0.001) | 14.72 | 14.72 | |||||||||
| Pan g magnitude | 14.57 (0.005) | |||||||||||
| Pan r magnitude | 14.80 (0.004) | |||||||||||
| Pan i magnitude | 15.03 (0.002) | |||||||||||
| Pan z magnitude | 15.24 (0.004) | |||||||||||
| Pan y magnitude | 15.35 (0.004) | |||||||||||
| 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.