All names: SDSS J020538.12+005835.3, [SLH2007] J020538.11+005835.2, [RGR2007] J020538.09+005835.2, [HHD2009] SDSS J0205+0058, WIRED J020538.09+005835.2, WD 0203+007, SDSS J020538.07+005835.0, [SHW2006] J020538.10+005835.2, SDSS J020538.10+005835.3, 2MASS J02053812+0058354, Gaia DR2 2508108382280944768
| Parameter | Unit | Gaia DR2 | SDSS DR12 | Simbad | Eisenstein et al. 2006 | Eisenstein et al. 2006 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 05 38.14 (0.2) | 02 05 38.11 | 02 05 38.13 | 02 05 38.12 | 02 05 38.12 | 02 05 38.12 | 02 05 38.28 | |
| Declination | 00 58 35.32 (0.2) | 00 58 35.13 | 00 58 35.40 | 00 58 35.35 | 00 58 35.35 | 00 58 35.35 | 00 58 36.48 | |
| Spectral type | DZA+dM | DZA+M | DZA+M | DZA+M | DZA d | |||
| Effective temperature | [K] | 6302.0 (6) | 6310.0 (15) | 6304.0 (9) | ||||
| log(g) | [cgs] | 6.76 (0.2) | 6.41 (0.2) | 6.85 (0.2) | ||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 1.47 (0.2) | ||||||
| Distance | [pc] | 681.90 (104) | ||||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -2.3020973611 (0.4) | 8.6 | 8.6 | 8.6 | |||
| Proper motion (declination) | [mas/yr] | -8.8052139875 (0.4) | -6.0 | -6.0 | -6.0 | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | WDMS | WDMS | |||||
| B magnitude | 17.90 | |||||||
| V magnitude | ||||||||
| R magnitude | 16.70 | |||||||
| I magnitude | ||||||||
| J magnitude | 15.34 | |||||||
| H magnitude | 14.72 | |||||||
| K magnitude | 14.44 | |||||||
| u magnitude | 19.37 (0.03) | 22.44 | 22.54 (1) | 22.54 (1) | 22.54 (1) | 22.54 | ||
| g magnitude | 18.23 (0.006) | 19.33 | 19.44 (0.1) | 19.44 (0.1) | 19.44 (0.1) | 19.44 | ||
| r magnitude | 17.54 (0.005) | 17.82 | 18.14 (0.03) | 18.14 (0.03) | 18.14 (0.03) | 18.14 | ||
| i magnitude | 16.86 (0.005) | 17.47 | 17.34 (0.03) | 17.34 (0.03) | 17.34 (0.03) | 17.34 | ||
| z magnitude | 16.44 (0.008) | 16.78 | 16.80 (0.02) | 16.80 (0.02) | 16.80 (0.02) | 16.80 | ||
| G magnitude | 17.93 | |||||||
| BP magnitude | 18.15 | |||||||
| RP magnitude | 16.59 | |||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude |
* 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.