All names: GALEX J152412.0+195215, SDSS J152411.93+195216.0, SDSS J152411.97+195215.71, 2MASS J15241191+1952161, TIC 334680125, WISEA J152411.89+195216.2, SDSS J152411.97+195215.7, Gaia DR2 1213756009798123776, Gaia EDR3 1213756009798123776, SDSS J152411.91+195216.1, WISE J152411.90+195216.3, SDSS J152411.98+195215.6
| Parameter | Unit | Gaia EDR3 | SDSS DR10 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|
| Right ascension | 15 24 11.89 (0.07) | 15 24 11.93 | 15 24 11.89 (0.1) | 15 24 11.93 (10) | |||
| Declination | 19 52 16.33 (0.08) | 19 52 16.00 | 19 52 16.32 (0.1) | 19 52 16.00 (10) | |||
| Spectral type | DB+M | DB+dM | |||||
| Effective temperature | [K] | 27797.0 (100) | |||||
| log(g) | [cgs] | 7.69 (0.003) | |||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 3.85 (0.1) | 3.93 (0.1) | ||||
| Distance | [pc] | 260.05 (7) | 254.32 (1e+01) | ||||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -28.70397634 (0.1) | -29.14308649 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | 14.77309526 (0.1) | 14.77923369 (0.2) | ||||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 14.75 (0.04) | ||||||
| H magnitude | 14.09 (0.06) | ||||||
| K magnitude | 13.95 (0.04) | ||||||
| u magnitude | 17.79 (0.01) | 17.70 (0.02) | 17.79 (0.01) | ||||
| g magnitude | 17.58 (0.005) | 17.72 (0.02) | 17.58 (0.005) | ||||
| r magnitude | 17.21 (0.005) | 17.59 (0.02) | 17.21 (0.005) | ||||
| i magnitude | 16.55 (0.005) | 16.68 (0.02) | 16.55 (0.005) | ||||
| z magnitude | 16.03 (0.008) | 16.10 (0.02) | 16.03 (0.008) | ||||
| G magnitude | 17.41 (0.03) | 17.45 | |||||
| BP magnitude | 17.64 (0.03) | 17.80 | |||||
| RP magnitude | 16.16 (0.008) | 16.17 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.048 | ||||||
* 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.