All names: TIC 220513363, UCAC2 3826854, Gaia EDR3 4721278675990941824, GEN# +6.00003275, WISE J024230.10-631642.6, 2MASS J02423015-6316424, Gaia DR3 4721278675990941824, GALEX J024229.9-631643, LB 3275, WISEA J024230.14-631642.6, UCAC4 134-002380, EC 02413-6329, Gaia DR2 4721278675990941824, uvby98 600003275, LB3275
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 02 42 30.16 (0.03) | 02 42 30.07 | 02 42 30.14 (0.03) | ||
| Declination | -63 16 42.68 (0.02) | -63 16 42.80 | -63 16 42.59 (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] | 1.51 (0.03) | 1.50 (0.03) | 1.51 (0.03) | |
| Distance | [pc] | 661.16 (12) | 666.80 (16) | 661.16 (12) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 10.377 (0.03) | 10.504 (0.07) | 10.377 (0.03) | |
| Proper motion (declination) | [mas/yr] | -5.69 (0.03) | -5.557 (0.06) | -5.69 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.92 (0.02) | ||||
| V magnitude | 14.12 (0.01) | ||||
| R magnitude | 14.40 (0.08) | ||||
| I magnitude | |||||
| J magnitude | 14.77 (0.04) | 14.77 (0.04) | |||
| H magnitude | 14.90 (0.08) | 14.90 (0.08) | |||
| K magnitude | 14.76 (0.1) | 14.76 (0.1) | |||
| u magnitude | |||||
| g magnitude | 13.91 (0.02) | ||||
| r magnitude | 14.36 (0.02) | ||||
| i magnitude | 14.68 (0.06) | ||||
| z magnitude | |||||
| G magnitude | 14.09 (0.003) | 14.11 (0.0008) | 14.09 (0.003) | ||
| BP magnitude | 13.94 (0.003) | 13.90 (0.009) | |||
| RP magnitude | 14.37 (0.004) | 14.37 (0.002) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.016 | ||||
* 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.