All names: 2MASS J13182419+2300415, Gaia DR2 1445782478274806656, WIRED J131824.17+230041.5, GALEX J131824.2+230042, Gaia EDR3 1445782478275201664, TIC 371858605, Gaia DR3 1445782478275201664, SDSS J131824.17+230041.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 18 24.16 (0.6) | 13 18 24.17 | 13 18 24.16 (0.7) | 13 18 24.19 (0.6) | 13 18 24.17 | |||
| Declination | 23 00 41.72 (0.4) | 23 00 41.59 | 23 00 41.71 (0.6) | 23 00 41.59 (0.4) | 23 00 41.60 | |||
| Spectral type | DB+M | 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] | 0.05 (0.8) | 0.05 (0.8) | |||||
| Distance | [pc] | 19492.48 (305621) | 19493.18 (305659) | |||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -22.98446583 (0.9) | -22.984 (0.9) | |||||
| Proper motion (declination) | [mas/yr] | 7.810926879 (0.6) | 7.811 (0.6) | |||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.60 (0.06) | |||||||
| H magnitude | 15.18 (0.1) | |||||||
| K magnitude | 14.95 (0.1) | |||||||
| u magnitude | 18.76 (0.02) | 18.80 (0.02) | 18.80 (0.02) | |||||
| g magnitude | 18.67 (0.008) | 18.71 (0.02) | 18.71 (0.02) | |||||
| r magnitude | 18.33 (0.007) | 18.36 (0.01) | 18.36 (0.01) | |||||
| i magnitude | 17.52 (0.006) | 17.55 (0.02) | 17.55 (0.02) | |||||
| z magnitude | 16.96 (0.01) | 17.00 (0.02) | 17.00 (0.02) | |||||
| G magnitude | 18.40 (0.01) | 18.28 | 18.40 (0.005) | |||||
| BP magnitude | 18.59 (0.01) | 18.59 | ||||||
| RP magnitude | 17.11 (0.007) | 17.11 | ||||||
| Pan g magnitude | 18.64 (0.01) | |||||||
| Pan r magnitude | 18.32 (0.004) | |||||||
| Pan i magnitude | 17.53 (0.002) | |||||||
| Pan z magnitude | 17.05 (0.006) | |||||||
| Pan y magnitude | 16.82 (0.009) | |||||||
| E(B-V) | 0.020 | |||||||
* 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.