All names: Gaia DR3 3452646281368418304, LAMOST J061547.91+344649.5, TIC 239930769, 2MASS J06154802+3446499, SDSS J061548.02+344650.2, GALEX J061548.0+344650, SDSSJ061548.02+344650.2, Gaia DR2 3452646281368418304
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 06 15 48.02 | 06 15 48.02 (0.04) | ||
| Declination | 34 46 50.24 | 34 46 50.26 (0.04) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 23159.0 (271) | ||
| log(g) | [cgs] | 5.66 (0.05) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.77 (0.06) | 0.77 (0.05) | |
| Distance | [pc] | 1298.87 (101) | 1304.80 (79) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 2.051 (0.1) | 2.246 (0.05) | |
| Proper motion (declination) | [mas/yr] | -1.318 (0.1) | -1.384 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.11 (0.1) | 16.11 (0.1) | ||
| H magnitude | 15.93 (0.2) | 15.93 (0.2) | ||
| K magnitude | 15.75 | |||
| u magnitude | 16.27 (0.006) | 16.33 (0.01) | ||
| g magnitude | 15.95 (0.004) | 16.01 (0.008) | ||
| r magnitude | 16.09 (0.005) | 16.14 (0.006) | ||
| i magnitude | 16.27 (0.005) | 16.31 (0.02) | ||
| z magnitude | 16.45 (0.008) | 16.50 (0.02) | ||
| G magnitude | 16.06 (0.003) | 16.04 (0.003) | ||
| BP magnitude | 16.03 (0.01) | |||
| RP magnitude | 15.97 (0.007) | |||
| Pan g magnitude | 16.03 (0.005) | |||
| Pan r magnitude | 16.16 (0.008) | |||
| Pan i magnitude | 16.33 (0.007) | |||
| Pan z magnitude | 16.48 (0.01) | |||
| Pan y magnitude | 16.54 (0.008) | |||
| E(B-V) | 0.257 | |||
* 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.