All names: Gaia DR2 323439830850126976, GALEX J012053.3+382357, SDSS J012053.21+382356.7, Gaia EDR3 323439830850126976, WD 0118+381, SDSS J012053.21+382356.8, Gaia DR3 323439830850126976, SDSS J012053.21+382356.6, 2MASS J01205327+3823565, TIC 186485276
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 20 53.21 (0.5) | 01 20 53.22 | 01 20 53.21 (0.6) | 01 20 53.21 | 01 20 53.19 (0.5) | 01 20 52.66 | 01 20 53.21 | |||
| Declination | 38 23 56.76 (0.4) | 38 23 56.62 | 38 23 56.75 (0.5) | 38 23 56.62 | 38 23 56.71 (0.4) | 38 23 54.60 | 38 23 56.69 | |||
| Spectral type | DA+M | DA+dM | DA d | DA+M | ||||||
| Effective temperature | [K] | 11835.0 (1005) | 6300.0 (1) | |||||||
| log(g) | [cgs] | 7.40 (0.5) | 6.31 (0.2) | |||||||
| Mass | [M☉] | 0.33 (0.2) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 6.33 (0.5) | 7.61 (0.7) | 6.33 (0.5) | ||||||
| Distance | [pc] | 158.00 (13) | 131.49 (12) | 1087.00 (322) | 158.00 (13) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 15.94290379 (0.7) | 15.54388037 (2) | 15.943 (0.7) | ||||||
| Proper motion (declination) | [mas/yr] | 3.21005971 (0.5) | 1.787395666 (1) | 3.21 (0.5) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 16.51 (0.1) | |||||||||
| H magnitude | 15.88 (0.2) | |||||||||
| K magnitude | 15.99 (0.3) | |||||||||
| u magnitude | 21.06 (0.07) | 21.61 | 21.20 (0.1) | 21.60 | 21.23 (0.1) | |||||
| g magnitude | 20.34 (0.02) | 20.69 | 20.34 (0.02) | 20.68 | 20.39 (0.02) | |||||
| r magnitude | 19.82 (0.04) | 20.09 | 19.73 (0.02) | 20.08 | 19.80 (0.02) | |||||
| i magnitude | 18.66 (0.01) | 19.07 | 18.65 (0.01) | 19.06 | 18.69 (0.02) | |||||
| z magnitude | 17.93 (0.02) | 18.43 | 18.02 (0.02) | 18.41 | 18.06 (0.02) | |||||
| G magnitude | 19.53 (0.09) | 19.52 | 19.53 (0.01) | |||||||
| BP magnitude | 20.25 (0.09) | 20.18 | ||||||||
| RP magnitude | 18.21 (0.03) | 18.24 | ||||||||
| Pan g magnitude | 20.33 (0.02) | |||||||||
| Pan r magnitude | 19.81 (0.009) | |||||||||
| Pan i magnitude | 18.71 (0.006) | |||||||||
| Pan z magnitude | 18.14 (0.01) | |||||||||
| Pan y magnitude | 17.83 (0.01) | |||||||||
| E(B-V) | 0.016 | |||||||||
* 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.