All names: Gaia DR3 5187864436760744576, TIC 439908078, WD 0300-008, SDSS J030242.02-003936.0, Gaia DR2 5187864436760744576, SDSS J030242.02-003935.9, 2MASS J03024199-0039359, Gaia EDR3 5187864436760744576, SDSS J030242.03-003936.1, [SGR2010] J0302-0039
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 02 42.14 (0.1) | 03 02 42.05 | 03 02 42.13 (0.2) | 03 02 42.01 (0.1) | 03 02 42.12 | |||
| Declination | -00 39 37.36 (0.2) | -00 39 36.27 | -00 39 37.32 (0.2) | -00 39 36.00 (0.2) | -00 39 33.84 | |||
| Spectral type | DC+M7 | DC: dM | ||||||
| Effective temperature | [K] | |||||||
| log(g) | [cgs] | |||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 9.58 (0.2) | 9.89 (0.2) | 9.58 (0.2) | ||||
| Distance | [pc] | 104.38 (2) | 101.13 (2) | 104.38 (2) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 114.2725617 (0.2) | 114.8803224 (0.4) | 114.273 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | -84.68080003 (0.2) | -85.13489238 (0.4) | -84.681 (0.2) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 14.88 (0.04) | |||||||
| H magnitude | 14.18 (0.04) | |||||||
| K magnitude | 13.79 (0.05) | |||||||
| u magnitude | 21.07 (0.08) | 20.80 (0.1) | 20.77 | |||||
| g magnitude | 19.71 (0.01) | 19.70 (0.01) | 19.71 | |||||
| r magnitude | 19.08 (0.01) | 19.07 (0.01) | 19.10 | |||||
| i magnitude | 17.88 (0.008) | 17.86 (0.007) | 17.86 | |||||
| z magnitude | 16.69 (0.009) | 16.73 (0.01) | 16.70 | |||||
| G magnitude | 18.38 (0.05) | 18.43 | 18.38 (0.003) | |||||
| BP magnitude | 19.49 (0.05) | 19.60 | ||||||
| RP magnitude | 17.21 (0.01) | 17.20 | ||||||
| Pan g magnitude | 19.67 (0.02) | |||||||
| Pan r magnitude | 19.12 (0.01) | |||||||
| Pan i magnitude | 17.96 (0.006) | |||||||
| Pan z magnitude | 17.02 (0.005) | |||||||
| Pan y magnitude | 16.40 (0.004) | |||||||
| E(B-V) | 0.003 | |||||||
* 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.