All names: UCAC2 26440908, WISEA J084450.26-144935.5, Gaia DR3 5734371262508140288, UCAC4 376-053586, Gaia DR2 5734371262508140288, WISE J084450.27-144935.6, Gaia EDR3 5734371262508140288, TIC 289409074, GALEXJ08448-1449, GALEX J084450.3-144935, 2MASS J08445027-1449357
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 08 44 50.27 (0.02) | 08 44 50.36 | 08 44 50.28 (0.02) | ||
| Declination | -14 49 35.66 (0.02) | -14 49 35.06 | -14 49 35.65 (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] | 1.20 (0.03) | 1.17 (0.05) | 1.20 (0.03) | |
| Distance | [pc] | 834.45 (24) | 855.43 (36) | 834.45 (24) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -4.97 (0.03) | -4.982 (0.07) | -4.97 (0.03) | |
| Proper motion (declination) | [mas/yr] | -0.538 (0.03) | -0.491 (0.06) | -0.538 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.74 (0.01) | ||||
| V magnitude | 13.96 (0.04) | ||||
| R magnitude | 14.29 (0.09) | ||||
| I magnitude | |||||
| J magnitude | 14.44 (0.03) | 14.44 (0.03) | |||
| H magnitude | 14.56 (0.03) | 14.56 (0.03) | |||
| K magnitude | 14.46 (0.1) | 14.46 (0.1) | |||
| u magnitude | |||||
| g magnitude | 13.76 (0.04) | ||||
| r magnitude | 14.19 (0.04) | ||||
| i magnitude | 14.46 (0.04) | ||||
| z magnitude | |||||
| G magnitude | 13.91 (0.003) | 13.92 (0.0005) | 13.91 (0.003) | ||
| BP magnitude | 13.79 (0.003) | 13.74 (0.004) | |||
| RP magnitude | 14.15 (0.004) | 14.15 (0.001) | |||
| Pan g magnitude | 13.74 (0.005) | ||||
| Pan r magnitude | 14.15 (0.002) | ||||
| Pan i magnitude | 14.48 (0.001) | ||||
| Pan z magnitude | 14.74 (0.006) | ||||
| Pan y magnitude | 14.91 (0.003) | ||||
| E(B-V) | 0.039 | ||||
* 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.