All names: Gaia EDR3 239446183394193664, WD 0318+417, WISE J032140.03+415307.4, SDSS J032140.01+415307.5, SDSS J032140.00+415307.6, [SGR2010] J0321+4153, WDS J03217+4153AB, ** SKF 1682, SDSS J032140.01+415307.4, WISEA J032140.04+415307.5, TIC 194557071, 2MASS J03214001+4153073
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|
| Right ascension | 03 21 39.96 (1) | 03 21 40.01 | 03 21 40.01 (120) | 03 21 39.50 | 03 21 40.00 | ||
| Declination | 41 53 07.79 (2) | 41 53 07.53 | 41 53 07.39 (110) | 41 53 02.04 | 41 53 07.58 | ||
| Spectral type | DB+M3 | DB+M3 | DB+M | ||||
| Effective temperature | [K] | 6300.0 (3) | |||||
| log(g) | [cgs] | 10.00 (0.003) | |||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | ||||||
| Distance | [pc] | ||||||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | ||||||
| Proper motion (declination) | [mas/yr] | ||||||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | yes | WDMS | |||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 16.29 (0.09) | ||||||
| H magnitude | 15.42 (0.09) | ||||||
| K magnitude | 15.18 (0.1) | ||||||
| u magnitude | 20.06 (0.04) | 20.07 (0.04) | 21.10 | 21.08 (0.1) | |||
| g magnitude | 19.70 (0.01) | 19.71 (0.01) | 20.61 | 20.58 (0.08) | |||
| r magnitude | 19.12 (0.01) | 19.14 (0.01) | 19.44 | 19.49 (0.02) | |||
| i magnitude | 18.27 (0.009) | 18.28 (0.009) | 18.33 | 18.35 (0.01) | |||
| z magnitude | 17.58 (0.01) | 17.60 (0.01) | 17.65 | 17.67 (0.02) | |||
| G magnitude | 20.12 | ||||||
| BP magnitude | |||||||
| RP magnitude | |||||||
| Pan g magnitude | 19.87 (0.04) | ||||||
| Pan r magnitude | 19.40 (0.03) | ||||||
| Pan i magnitude | 18.32 (0.005) | ||||||
| Pan z magnitude | 17.78 (0.01) | ||||||
| Pan y magnitude | 17.48 (0.01) | ||||||
| E(B-V) | |||||||
* 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.