All names: UCAC4 477-126667, UCAC2 33675468, PG2138+049, Gaia DR3 2698679998215051264, PG 2138+049, WISEA J214105.00+051337.3, SDSS J214104.99+051337.2, 2MASS J21410500+0513373, WISE J214105.00+051337.4, TIC 353231164, Gaia DR2 2698679998215051264, GALEX J214104.9+051338, Gaia EDR3 2698679998215051264
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 21 41 04.99 (0.03) | 21 41 05.05 | 21 41 05.00 (0.03) | ||
| Declination | 05 13 36.96 (0.02) | 05 13 38.88 | 05 13 37.40 (0.02) | ||
| Spectral type | sdB | sdB | |||
| 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] | 1.38 (0.03) | 1.36 (0.06) | 1.38 (0.03) | |
| Distance | [pc] | 726.53 (16) | 735.51 (34) | 726.53 (16) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -16.022 (0.04) | -15.986 (0.1) | -16.022 (0.04) | |
| Proper motion (declination) | [mas/yr] | -27.549 (0.03) | -27.663 (0.1) | -27.549 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.48 (0.01) | ||||
| V magnitude | 14.57 (0.01) | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 14.88 (0.04) | 14.88 (0.04) | |||
| H magnitude | 15.00 (0.09) | 15.00 (0.09) | |||
| K magnitude | 15.20 (0.2) | 15.20 (0.2) | |||
| u magnitude | 14.32 (0.003) | 14.31 (0.03) | |||
| g magnitude | 14.36 (0.003) | 14.38 (0.01) | |||
| r magnitude | 14.70 (0.003) | 14.69 (0.01) | |||
| i magnitude | 14.94 (0.003) | 14.94 (0.02) | |||
| z magnitude | 15.20 (0.005) | 15.20 (0.02) | |||
| G magnitude | 14.54 (0.003) | 14.56 (0.0008) | 14.54 (0.003) | ||
| BP magnitude | 14.48 (0.003) | 14.46 (0.008) | |||
| RP magnitude | 14.64 (0.004) | 14.65 (0.003) | |||
| Pan g magnitude | 14.46 (0.005) | ||||
| Pan r magnitude | 14.72 (0.003) | ||||
| Pan i magnitude | 14.98 (0.002) | ||||
| Pan z magnitude | 15.19 (0.003) | ||||
| Pan y magnitude | 15.35 (0.003) | ||||
| E(B-V) | 0.051 | ||||
* 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.