All names: GEN# +6.10060351, 2MASS J15443809+6243247, GD 351, Gaia EDR3 1639966608381889664, FBS B 733, FBS 1543+628, UBV M 43075, Gaia DR3 1639966608381889664, SDSS J154438.09+624324.6, TIC 202352600, PG 1543+629, PG1543+629, Gaia DR2 1639966608381889664
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 15 44 38.09 (0.04) | 15 44 38.15 | 15 44 38.10 (0.04) | ||
| Declination | 62 43 24.72 (0.03) | 62 43 24.29 | 62 43 24.62 (0.03) | ||
| Spectral type | sdB | sdO7VIIHe1 | |||
| 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] | 0.84 (0.03) | 0.82 (0.05) | 0.84 (0.03) | |
| Distance | [pc] | 1193.18 (47) | 1221.90 (70) | 1193.18 (47) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -5.365 (0.05) | -5.473 (0.1) | -5.365 (0.05) | |
| Proper motion (declination) | [mas/yr] | 5.881 (0.04) | 5.929 (0.09) | 5.881 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.62 | ||||
| V magnitude | 14.83 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.58 (0.06) | 15.58 (0.06) | |||
| H magnitude | 15.57 (0.1) | 15.57 (0.1) | |||
| K magnitude | 15.68 (0.2) | 15.68 (0.2) | |||
| u magnitude | 14.19 (0.004) | 14.15 (0.01) | |||
| g magnitude | 14.53 (0.003) | 14.54 (0.01) | |||
| r magnitude | 15.05 (0.004) | 15.05 (0.01) | |||
| i magnitude | 15.43 (0.004) | 15.43 (0.01) | |||
| z magnitude | 15.76 (0.006) | 15.76 (0.01) | |||
| G magnitude | 14.76 (0.003) | 14.78 (0.0006) | 14.76 (0.003) | ||
| BP magnitude | 14.58 (0.003) | 14.52 (0.005) | |||
| RP magnitude | 15.10 (0.004) | 15.10 (0.002) | |||
| Pan g magnitude | 14.57 (0.009) | ||||
| Pan r magnitude | 15.05 (0.004) | ||||
| Pan i magnitude | 15.44 (0.003) | ||||
| Pan z magnitude | 15.73 (0.005) | ||||
| Pan y magnitude | 15.93 (0.005) | ||||
| 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.