All names: EC03016-3039, Gaia EDR3 5058959140928424448, UCAC4 298-003116, GALEX J030343.9-302747, TIC 209452383, Ton S 313, 2MASS J03034389-3027477, HE 0301-3039, Gaia DR2 5058959140928424448, EC 03016-3039, Gaia DR3 5058959140928424448
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 03 03 43.92 (0.02) | 03 03 43.82 | 03 03 43.90 (0.02) | ||
| Declination | -30 27 47.65 (0.03) | -30 27 48.49 | -30 27 47.66 (0.03) | ||
| Spectral type | He-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] | 0.50 (0.05) | 0.51 (0.06) | 0.50 (0.05) | |
| Distance | [pc] | 2014.91 (186) | 1956.56 (232) | 2014.91 (186) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 14.378 (0.03) | 14.261 (0.06) | 14.378 (0.03) | |
| Proper motion (declination) | [mas/yr] | 0.872 (0.04) | 1.126 (0.09) | 0.872 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.58 (0.09) | ||||
| V magnitude | 15.83 (0.02) | ||||
| R magnitude | 16.10 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 16.60 (0.1) | 16.60 (0.1) | |||
| H magnitude | 16.24 | ||||
| K magnitude | 15.43 | ||||
| u magnitude | |||||
| g magnitude | 15.62 (0.04) | ||||
| r magnitude | 16.08 (0.06) | ||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 15.80 (0.003) | 15.82 (0.0008) | 15.80 (0.003) | ||
| BP magnitude | 15.66 (0.003) | 15.56 (0.008) | |||
| RP magnitude | 16.09 (0.006) | 16.09 (0.004) | |||
| Pan g magnitude | 15.65 (0.003) | ||||
| Pan r magnitude | 16.06 (0.01) | ||||
| Pan i magnitude | 16.43 (0.003) | ||||
| Pan z magnitude | 16.70 (0.007) | ||||
| Pan y magnitude | 16.86 (0.02) | ||||
| E(B-V) | 0.010 | ||||
* 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.