All names: 2MASS J03011581-0240134, TIC 439905042, FBS 0258-028, PB 6975, BPS CS 22963-0036, LAMOST J030115.82-024013.4, KUV02587-0252, Gaia DR2 5186434732342771968, KUV 02587-0252, CHSS 3929, Gaia DR3 5186434732342771968
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 01 15.76 | 03 01 15.81 (0.03) | ||
| Declination | -02 40 13.68 | -02 40 13.57 (0.03) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 26820.0 (230) | ||
| log(g) | [cgs] | 5.39 (0.02) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.14 (0.05) | 1.22 (0.03) | |
| Distance | [pc] | 878.35 (38) | 822.64 (21) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 12.372 (0.08) | 12.49 (0.04) | |
| Proper motion (declination) | [mas/yr] | 2.888 (0.08) | 2.961 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.66 | |||
| V magnitude | 13.84 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.27 (0.03) | 14.27 (0.03) | ||
| H magnitude | 14.43 (0.05) | 14.43 (0.05) | ||
| K magnitude | 14.39 (0.06) | 14.39 (0.06) | ||
| u magnitude | 13.60 (0.003) | |||
| g magnitude | 14.13 (0.002) | |||
| r magnitude | 14.02 (0.008) | |||
| i magnitude | 14.33 (0.005) | |||
| z magnitude | 14.61 (0.005) | |||
| G magnitude | 13.84 (0.0006) | 13.82 (0.003) | ||
| BP magnitude | 13.69 (0.009) | |||
| RP magnitude | 14.02 (0.002) | |||
| Pan g magnitude | 13.72 (0) | |||
| Pan r magnitude | 14.04 (0.002) | |||
| Pan i magnitude | 14.35 (0.003) | |||
| Pan z magnitude | 14.59 (0.006) | |||
| Pan y magnitude | 14.75 (0.003) | |||
| E(B-V) | 0.032 | |||
* 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.