All names: WD 0143-086.1, SDSS_J014619.95-082616.8, Gaia DR2 2465347889745022848, PSO J014620.076-082618.051, WDJ014619.95-082616.72, SDSS J014619.96-082616.9, WD 0143-086, SDSS J014554.05-082221.6, J0145-0822, SDSS J014554.05-082221.7
| Parameter | Unit | Coutu et al. 2019 | Pan-STARRS DR1 | Gaia DR2 | Dufour et al. 2005 | SDSS DR12 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 45 54.05 | 01 45 54.06 (0.3) | 01 46 19.96 | 01 45 54.05 (0.3) | 01 46 20.11 | 01 46 19.96 | 01 46 19.30 | 01 46 19.96 | |||
| Declination | -08 22 21.64 | -08 22 22.03 (0.3) | -08 26 16.83 | -08 22 21.64 (0.3) | -08 26 18.56 | -08 26 16.84 | -08 26 13.20 | -08 26 16.88 | |||
| Spectral type | DQ | DQ | DA | DQ | DQ | DQ | |||||
| Effective temperature | [K] | 8002.0 (236) | 7240.0 (150) | 10082.0 (10) | 10082.0 (10) | ||||||
| log(g) | [cgs] | 8.97 | 8.00 (0) | 8.66 (0.3) | 9.40 (0.5) | ||||||
| Mass | [M☉] | 1.1716 | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 3.1200 | |||||||||
| log(H/He) | |||||||||||
| log(C/He) | -5.8454 (0.1) | -6.13 (0.3) | |||||||||
| 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] | 13.97 | 4.54 (0.4) | 4.54 (0.4) | 13.97 (0.1) | ||||||
| Distance | [pc] | 71.56 (0.8) | 220.39 (17) | 70.00 | 220.39 (17) | 71.56 (0.8) | |||||
| Composition | He | He | |||||||||
| Proper motion (right ascension) | [mas/yr] | 1.78772297201 (0.8) | 1.788 (0.8) | 155.2550301 | 149.7 | ||||||
| Proper motion (declination) | [mas/yr] | -25.4379272232 (0.5) | -25.438 (0.5) | -118.4891412 | -123.0 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.07 (0.01) | 19.36 (0.03) | 18.07 (0.01) | 18.06 (0.02) | 18.06 | 18.07 (0.02) | |||||
| g magnitude | 17.68 (0.005) | 18.91 (0.01) | 17.68 (0.005) | 17.77 (0.04) | 17.77 | 17.77 (0.04) | |||||
| r magnitude | 17.61 (0.006) | 18.96 (0.01) | 17.61 (0.006) | 17.65 (0.03) | 17.64 | 17.65 (0.02) | |||||
| i magnitude | 17.62 (0.007) | 19.08 (0.02) | 17.62 (0.007) | 17.64 (0.03) | 17.64 | 17.63 (0.03) | |||||
| z magnitude | 17.69 (0.02) | 19.20 (0.08) | 17.69 (0.02) | 17.72 (0.03) | 17.71 | 17.70 (0.03) | |||||
| G magnitude | 18.91 | 18.91 (0.004) | 17.59 | ||||||||
| BP magnitude | 18.96 | 17.69 | |||||||||
| RP magnitude | 18.78 | 17.33 | |||||||||
| Pan g magnitude | 17.69 (0.007) | ||||||||||
| Pan r magnitude | 17.63 (0.006) | ||||||||||
| Pan i magnitude | 17.67 (0.004) | ||||||||||
| Pan z magnitude | 17.74 (0.005) | ||||||||||
| Pan y magnitude | 17.81 (0.02) | ||||||||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.