All names: Gaia DR3 4423975164247237888, SDSSJ153613.07+021809.4, Gaia EDR3 4423974885073388544, Gaia DR2 4423975164247237888, 2MASS J15361307+0218094, Gaia DR3 4423974885073388544, SDSS J153613.07+021809.4, TIC 459353625, GALEX J153613.0+021809
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 15 36 16.00 (0.2) | 15 36 13.08 | 15 36 16.00 | 15 36 13.08 (0.06) | ||
| Declination | 02 17 12.28 (0.2) | 02 18 09.41 | 02 17 12.28 | 02 18 09.46 (0.04) | ||
| Spectral type | sd | DA | sdB | |||
| Effective temperature | [K] | 14840.0 (1244) | ||||
| log(g) | [cgs] | 8.23 (0.1) | ||||
| Mass | [M☉] | 0.753 (0.09) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 3.27 (0.3) | 0.18 (0.08) | 3.27 | 0.27 (0.07) | |
| Distance | [pc] | 305.49 (25) | 5417.12 (2353) | 305.49 | 3707.82 (894) | |
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 22.553 (0.3) | 0.157 (0.1) | 0.053 (0.07) | ||
| Proper motion (declination) | [mas/yr] | -6.403 (0.2) | -13.627 (0.1) | -13.583 (0.05) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 16.34 (0.1) | 16.34 (0.1) | ||||
| H magnitude | 16.00 (0.2) | 16.00 (0.2) | ||||
| K magnitude | 16.37 | |||||
| u magnitude | 16.95 (0.008) | 16.95 (0.008) | ||||
| g magnitude | 16.82 (0.004) | 16.82 (0.004) | ||||
| r magnitude | 16.95 (0.005) | 16.94 (0.005) | ||||
| i magnitude | 17.02 (0.006) | 17.02 (0.006) | ||||
| z magnitude | 17.11 (0.01) | 17.11 (0.01) | ||||
| G magnitude | 19.21 (0.004) | 16.84 (0.001) | 19.21 | 16.81 (0.003) | ||
| BP magnitude | 19.19 (0.04) | 16.85 (0.01) | ||||
| RP magnitude | 19.31 (0.05) | 16.70 (0.005) | ||||
| Pan g magnitude | 16.84 (0.003) | |||||
| Pan r magnitude | 16.93 (0.003) | |||||
| Pan i magnitude | 17.03 (0.003) | |||||
| Pan z magnitude | 17.11 (0.008) | |||||
| Pan y magnitude | 17.14 (0.007) | |||||
| E(B-V) | 0.045 | |||||
* 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.