All names: 2MASS J03440533+2204227, Gaia DR3 64368713521485568, LAMOST J034405.32+220422.7, LAMOST J034405.33+220422.6, UCAC4 561-007652, TIC 67786728, Gaia DR2 64368713521485568, LAMOSTJ034405.32+220422.7
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 44 05.33 | 03 44 05.33 (0.03) | ||
| Declination | 22 04 22.72 | 22 04 22.76 (0.02) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 29251.0 (163) | ||
| log(g) | [cgs] | 5.72 (0.03) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.21 (0.08) | 1.12 (0.04) | |
| Distance | [pc] | 823.52 (52) | 889.05 (28) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.192 (0.1) | -0.097 (0.04) | |
| Proper motion (declination) | [mas/yr] | -4.776 (0.1) | -4.695 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.41 (0.08) | |||
| V magnitude | 14.39 (0.07) | |||
| R magnitude | 14.74 (0.1) | |||
| I magnitude | ||||
| J magnitude | 14.43 (0.03) | 14.43 (0.03) | ||
| H magnitude | 14.33 (0.05) | 14.33 (0.05) | ||
| K magnitude | 14.43 (0.06) | 14.43 (0.06) | ||
| u magnitude | ||||
| g magnitude | 14.25 (0.03) | |||
| r magnitude | 14.58 (0.01) | |||
| i magnitude | 14.74 (0.01) | |||
| z magnitude | ||||
| G magnitude | 14.40 (0.0006) | 14.38 (0.003) | ||
| BP magnitude | 14.34 (0.003) | |||
| RP magnitude | 14.41 (0.002) | |||
| Pan g magnitude | 14.34 (0.003) | |||
| Pan r magnitude | 14.54 (0.004) | |||
| Pan i magnitude | 14.74 (0.001) | |||
| Pan z magnitude | 14.89 (0.003) | |||
| Pan y magnitude | 14.99 (0.004) | |||
| E(B-V) | 0.144 | |||
* 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.