All names: Gaia DR2 2726234996557458560, PG2148+095, UCAC2 35313006, GALEX J215116.9+094700, UCAC4 499-141208, GSC 01126-00803, PG 2148+095, TIC 466406164, LAMOST J215116.89+094659.5, 2MASS J21511688+0946596, Gaia DR3 2726234996557458560
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 21 51 16.87 | 21 51 16.89 (0.03) | ||
| Declination | 09 46 59.71 | 09 46 59.45 (0.03) | ||
| Spectral type | sdB+K | sdB0.5VHe2 | ||
| 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] | 0.75 (0.05) | 0.73 (0.03) | |
| Distance | [pc] | 1327.14 (90) | 1368.18 (61) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.174 (0.08) | -2.035 (0.03) | |
| Proper motion (declination) | [mas/yr] | 1.568 (0.08) | 1.375 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.04 (0.02) | |||
| V magnitude | 13.04 (0.01) | |||
| R magnitude | 13.25 (0.1) | |||
| I magnitude | ||||
| J magnitude | 12.66 (0.02) | 12.66 (0.02) | ||
| H magnitude | 12.58 (0.03) | 12.58 (0.03) | ||
| K magnitude | 12.55 (0.03) | 12.55 (0.03) | ||
| u magnitude | 13.33 (0.003) | |||
| g magnitude | 13.03 (0.001) | 12.92 (0.03) | ||
| r magnitude | 13.18 (0.001) | 13.12 (0.02) | ||
| i magnitude | 13.29 (0.002) | 13.20 (0.03) | ||
| z magnitude | 14.12 (0.01) | |||
| G magnitude | 12.97 (0.001) | 12.94 (0.003) | ||
| BP magnitude | 12.93 (0.007) | |||
| RP magnitude | 12.89 (0.003) | |||
| Pan g magnitude | 12.92 | |||
| Pan r magnitude | 13.00 | |||
| Pan i magnitude | 13.14 | |||
| Pan z magnitude | 13.35 (0.007) | |||
| Pan y magnitude | 13.40 (0.007) | |||
| E(B-V) | 0.052 | |||
* 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.