All names: UCAC2 24115315, Gaia DR2 3516358930044179840, UCAC4 353-065316, Gaia EDR3 3516358930044179840, 2MASS J12302505-1935288, Gaia DR3 3516358930044179840, EC12278-1918, TIC 5867325, EC 12278-1918, GALEX J123025.1-193528
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 12 30 25.05 (0.03) | 12 30 24.94 | 12 30 25.05 (0.03) | ||
| Declination | -19 35 28.95 (0.02) | -19 35 29.14 | -19 35 29.01 (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] | 0.98 (0.04) | 1.10 (0.06) | 0.98 (0.04) | |
| Distance | [pc] | 1023.23 (42) | 911.74 (48) | 1023.23 (42) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -3.474 (0.05) | -3.591 (0.1) | -3.474 (0.05) | |
| Proper motion (declination) | [mas/yr] | 3.974 (0.03) | 4.268 (0.06) | 3.974 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.27 (0.06) | ||||
| V magnitude | 14.48 (0.02) | ||||
| R magnitude | 14.90 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 14.99 (0.04) | 14.99 (0.04) | |||
| H magnitude | 15.00 (0.07) | 15.00 (0.07) | |||
| K magnitude | 14.94 (0.1) | 14.94 (0.1) | |||
| u magnitude | |||||
| g magnitude | 14.30 (0.06) | ||||
| r magnitude | 14.77 (0.04) | ||||
| i magnitude | 15.21 (0.06) | ||||
| z magnitude | |||||
| G magnitude | 14.45 (0.003) | 14.47 (0.0006) | 14.45 (0.003) | ||
| BP magnitude | 14.31 (0.003) | 14.27 (0.007) | |||
| RP magnitude | 14.71 (0.004) | 14.71 (0.002) | |||
| Pan g magnitude | 14.28 (0.004) | ||||
| Pan r magnitude | 14.71 (0.002) | ||||
| Pan i magnitude | 15.06 (0.002) | ||||
| Pan z magnitude | 15.30 (0.004) | ||||
| Pan y magnitude | 15.45 (0.007) | ||||
| E(B-V) | 0.035 | ||||
* 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.