All names: GALEX J032030.5+044243, SDSS J032030.53+044243.6, Gaia DR2 3009191526983168, Gaia EDR3 3009191526983168, WIRED J032030.52+044243.5, Gaia DR3 3009191526983168, 2MASS J03203051+0442436, LAMOST J032030.52+044243.5, WD 0317+045, [SGR2010] J0320+0442, SDSS J032030.53+044243.5, TIC 255801951, SDSS J032030.52+044243.5
| 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 | 03 20 30.54 (0.09) | 03 20 30.53 | 03 20 30.54 (0.1) | 03 20 30.53 | 03 20 30.52 (0.09) | 03 20 29.88 | 03 20 30.53 | |||
| Declination | 04 42 43.47 (0.07) | 04 42 43.53 | 04 42 43.48 (0.1) | 04 42 43.56 | 04 42 43.60 (0.07) | 04 42 41.04 | 04 42 43.57 | |||
| Spectral type | DA+M | DA+M4 | DA2.6+M4 | DA+M | ||||||
| Effective temperature | [K] | 16767.0 (912) | 11200.0 (5) | |||||||
| log(g) | [cgs] | 8.01 (0.3) | 5.30 (0.003) | |||||||
| Mass | [M☉] | 0.62 (0.2) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.04 (0.1) | 3.04 (0.1) | 3.04 (0.1) | ||||||
| Distance | [pc] | 329.06 (11) | 328.85 (15) | 361.00 (67) | 329.06 (11) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 14.58030915 (0.1) | 14.38572539 (0.3) | 14.58 (0.1) | ||||||
| Proper motion (declination) | [mas/yr] | -7.833500222 (0.09) | -8.216233027 (0.2) | -7.834 (0.09) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | yes | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 14.90 (0.04) | |||||||||
| H magnitude | 14.22 (0.05) | |||||||||
| K magnitude | 13.98 (0.05) | |||||||||
| u magnitude | 18.45 (0.02) | 18.45 | 18.41 (0.01) | 18.45 | 18.45 (0.03) | |||||
| g magnitude | 18.19 (0.007) | 18.21 | 18.21 (0.006) | 18.18 | 18.21 (0.02) | |||||
| r magnitude | 17.93 (0.007) | 17.92 | 17.94 (0.006) | 17.93 | 17.92 (0.01) | |||||
| i magnitude | 17.00 (0.006) | 16.99 | 17.02 (0.005) | 17.00 | 16.99 (0.02) | |||||
| z magnitude | 16.26 (0.008) | 16.26 | 16.29 (0.007) | 16.26 | 16.26 (0.01) | |||||
| G magnitude | 17.46 (0.02) | 17.47 | 17.46 (0.003) | |||||||
| BP magnitude | 18.14 (0.02) | 18.09 | ||||||||
| RP magnitude | 16.54 (0.008) | 16.53 | ||||||||
| Pan g magnitude | 18.18 (0.007) | |||||||||
| Pan r magnitude | 17.92 (0.006) | |||||||||
| Pan i magnitude | 17.01 (0.002) | |||||||||
| Pan z magnitude | 16.40 (0.005) | |||||||||
| Pan y magnitude | 16.10 (0.004) | |||||||||
| E(B-V) | 0.056 | |||||||||
* 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.