All names: TIC 352623496, LAMOST J212711.47+001145.9, Gaia DR3 2687870218366060416, FBS 2124-000, SDSS J212711.48+001145.9, GALEX J212711.5+001145, GALEXJ21271+0011, Gaia EDR3 2687870218366060416, Gaia DR2 2687870218366060416, 2MASS J21271147+0011459, PHL 7
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 21 27 11.49 (0.03) | 21 27 11.43 | 21 27 11.49 (0.03) | ||
| Declination | 00 11 45.89 (0.03) | 00 11 44.05 | 00 11 45.94 (0.03) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 29570.0 (90) | |||
| log(g) | [cgs] | 5.52 (0.03) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.91 (0.04) | 0.85 (0.06) | 0.91 (0.04) | |
| Distance | [pc] | 1101.81 (46) | 1169.86 (82) | 1101.81 (46) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -0.254 (0.04) | -0.126 (0.1) | -0.254 (0.04) | |
| Proper motion (declination) | [mas/yr] | -2.904 (0.03) | -2.964 (0.1) | -2.904 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.59 | ||||
| V magnitude | 14.90 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.15 (0.05) | 15.15 (0.05) | |||
| H magnitude | 15.27 (0.1) | 15.27 (0.008) | |||
| K magnitude | 15.28 (0.2) | 15.34 (0.01) | |||
| u magnitude | 14.13 (0.004) | 14.16 (0.02) | |||
| g magnitude | 14.34 (0.01) | ||||
| r magnitude | 14.78 (0.005) | 14.78 (0.01) | |||
| i magnitude | 15.43 (0.001) | 15.11 (0.02) | |||
| z magnitude | 15.41 (0.006) | 15.41 (0.02) | |||
| G magnitude | 14.55 (0.003) | 14.57 (0.0009) | 14.55 (0.003) | ||
| BP magnitude | 14.43 (0.003) | 14.38 (0.009) | |||
| RP magnitude | 14.80 (0.004) | 14.80 (0.003) | |||
| Pan g magnitude | 14.39 (0.004) | ||||
| Pan r magnitude | 14.81 (0.001) | ||||
| Pan i magnitude | 15.14 (0.002) | ||||
| Pan z magnitude | 15.41 (0.002) | ||||
| Pan y magnitude | 15.58 (0.003) | ||||
| E(B-V) | 0.033 | ||||
* 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.