All names: Gaia EDR3 142664833456549120, TIC 186809586, Gaia DR3 142664833456549120, WD 0304+386, SDSS J030716.44+384822.8, Gaia DR2 142664833456549120, SBC9 3359, 2MASS J03071645+3848229
| 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) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 07 16.46 (0.1) | 03 07 16.45 | 03 07 16.46 (0.2) | 03 07 16.44 | 03 07 16.45 (0.1) | 03 07 16.54 | |||
| Declination | 38 48 22.75 (0.08) | 38 48 22.84 | 38 48 22.75 (0.1) | 38 48 22.86 | 38 48 22.91 (0.08) | 38 48 18.72 | |||
| Spectral type | DA:+M | M3+DA | DA:+M3 | ||||||
| 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] | 2.64 (0.1) | 2.62 (0.2) | 2.64 (0.1) | |||||
| Distance | [pc] | 379.07 (16) | 380.97 (23) | 379.08 (16) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 3.614798473 (0.1) | 4.101521682 (0.3) | 3.615 (0.1) | |||||
| Proper motion (declination) | [mas/yr] | -10.15093262 (0.1) | -10.44360231 (0.2) | -10.151 (0.1) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | yes | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | 13.69 (0.04) | ||||||||
| u magnitude | 20.58 (0.06) | 20.64 | 20.67 (0.08) | 20.67 | |||||
| g magnitude | 19.04 (0.01) | 19.04 | 19.05 (0.01) | 19.05 | |||||
| r magnitude | 17.86 (0.007) | 17.86 | 17.87 (0.007) | 17.87 | |||||
| i magnitude | 16.70 (0.005) | 16.70 | 16.70 (0.005) | 16.70 | |||||
| z magnitude | 16.05 (0.008) | 16.06 | 16.06 (0.008) | 16.06 | |||||
| G magnitude | 17.35 (0.03) | 17.38 | 17.35 (0.003) | ||||||
| BP magnitude | 18.51 (0.03) | 18.53 | |||||||
| RP magnitude | 16.22 (0.007) | 16.25 | |||||||
| Pan g magnitude | 18.88 (0.01) | ||||||||
| Pan r magnitude | 17.83 (0.009) | ||||||||
| Pan i magnitude | 16.70 (0.008) | ||||||||
| Pan z magnitude | 16.15 (0.006) | ||||||||
| Pan y magnitude | 15.87 (0.003) | ||||||||
| E(B-V) | 0.101 | ||||||||
* 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.