All names: PSO J031.5639+18.6070, LP 409-28, TIC 306341180, WDJ020614.67+183624.06, 0203+183, Gaia DR3 92597914738232448, 2MASS J02061455+1836239, SDSS J020615.17+183625.0, LHS 1341, Gaia EDR3 92597914738232448, SDSS J020615.18+183625.0, J0206+1836, PM J02062+1836, NLTT 6996, LSPM J0206+1836, Gaia DR2 92597914738232448, 02062+1836, USNO-B1.0 1086-00024149, WD 0203+183
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | Leggett et al. 2018 | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 06 15.56 (0.1) | 02 06 15.53 (0.2) | 02 06 15.53 (0.2) | 02 06 15.56 | 02 06 14.67 (0.1) | 02 06 15.53 | 02 06 14.33 | |||||||||
| Declination | 18 36 25.62 (0.1) | 18 36 25.57 (0.1) | 18 36 25.57 (0.1) | 18 36 25.62 | 18 36 24.06 (0.1) | 18 36 25.57 | 18 36 23.04 | |||||||||
| Spectral type | DC | DC | DC | DC | DC | DC11.6 | DC | DA: | DC | DC | ||||||
| Effective temperature | [K] | 4305.0 (42) | 4285.0 (119) | 4351.0 (25) | 4189.0 (102) | 4270.0 (35) | 4329.0 (83) | 4230.0 (530) | 4353.0 (69) | |||||||
| log(g) | [cgs] | 7.82 (0.02) | 7.80 (0.09) | 7.86 (0.01) | 7.76 (0.07) | 7.79 (0.03) | 7.86 (0.06) | 8.00 (0) | 7.86 (0.04) | |||||||
| Mass | [M☉] | 0.472 (0.02) | 0.464 (0.04) | 0.496 (0.01) | 0.454 (0.02) | 0.493 (0.05) | 0.58 (0.1) | 0.495 (0.03) | ||||||||
| log(Luminosity) | [L☉] | -4.34 | ||||||||||||||
| Cooling age | [Gyr] | 7.1300 | 6.0840 (0.4) | 6.6400 (0.7) | ||||||||||||
| 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] | 27.45 (0.1) | 27.45 (0.1) | 27.35 (0.2) | 27.35 (0.2) | 27.35 (0.2) | 27.56 (0.8) | 27.35 (0.2) | 27.45 | 27.45 (0.1) | 27.35 (0.2) | |||||
| Distance | [pc] | 36.43 (0.2) | 36.43 (0.2) | 36.56 (0.2) | 36.56 (0.2) | 36.56 (0.2) | 36.28 (1) | 36.56 (0.2) | 31.00 (8) | 36.43 | 36.43 (0.2) | 36.56 (0.2) | ||||
| Composition | H | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 785.65307 (0.2) | 785.6606328 (0.3) | 785.653 (0.2) | 785.6606328 | |||||||||||
| Proper motion (declination) | [mas/yr] | 97.30502183 (0.1) | 97.49185144 (0.3) | 97.305 (0.1) | 97.49185144 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 18.50 | |||||||||||||||
| V magnitude | ||||||||||||||||
| R magnitude | 17.80 | |||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | 16.65 (0.02) | 16.50 (0.1) | 16.50 | 16.50 (0.1) | ||||||||||||
| H magnitude | 16.36 (0.2) | 16.38 (0.2) | 16.38 | 16.38 (0.2) | ||||||||||||
| K magnitude | 15.63 (0.03) | 15.63 | ||||||||||||||
| u magnitude | 21.29 (0.03) | 21.29 (0.2) | 21.29 (0.2) | |||||||||||||
| g magnitude | 19.27 (0.01) | 19.27 (0.01) | ||||||||||||||
| r magnitude | 18.10 (0.006) | 18.17 (0.008) | ||||||||||||||
| i magnitude | 17.73 (0.006) | 17.75 (0.008) | ||||||||||||||
| z magnitude | 17.59 (0.01) | 17.52 (0.02) | ||||||||||||||
| G magnitude | 18.15 (0.03) | 18.17 | 18.17 | 18.15 | 18.15 (0.003) | 18.17 | ||||||||||
| BP magnitude | 18.82 (0.03) | 18.81 | 18.81 | |||||||||||||
| RP magnitude | 17.39 (0.01) | 17.38 | 17.38 | |||||||||||||
| Pan g magnitude | 19.00 (0.02) | 19.00 (0.02) | 19.00 (0.02) | |||||||||||||
| Pan r magnitude | 18.10 (0.006) | 18.10 (0.006) | 18.11 (0.006) | |||||||||||||
| Pan i magnitude | 17.74 (0.005) | 17.73 (0.006) | 17.73 (0.006) | |||||||||||||
| Pan z magnitude | 17.59 (0.01) | 17.59 (0.01) | 17.59 (0.01) | |||||||||||||
| Pan y magnitude | 17.49 (0.01) | 17.49 (0.01) | 17.49 (0.01) | |||||||||||||
| 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.