All names: GALEX J015311.1-390419, UCAC2 14967770, EC01510-3919, HE 0151-3919, EC 01510-3919, CSI-39-01511, uvby98 620021774, TIC 115356770, WISEA J015311.18-390418.6, Gaia DR2 4961253720183453184, SB 774, UCAC4 255-001835, 2MASS J01531117-3904181, WISE J015311.16-390418.5, Gaia DR3 4961253720183453184
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 01 53 11.20 | 01 53 11.19 (0.02) | ||
| Declination | -39 04 18.00 | -39 04 18.24 (0.02) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 20841.0 (500) | ||
| log(g) | [cgs] | 4.83 (0.05) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.59 (0.04) | 0.62 (0.03) | |
| Distance | [pc] | 1699.52 (114) | 1602.56 (71) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -4.534 (0.04) | -4.596 (0.02) | |
| Proper motion (declination) | [mas/yr] | -44.402 (0.05) | -44.367 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.13 (0.05) | |||
| V magnitude | 14.29 (0.02) | |||
| R magnitude | 14.51 (0.1) | |||
| I magnitude | ||||
| J magnitude | 14.85 (0.03) | 14.85 (0.03) | ||
| H magnitude | 14.79 (0.07) | 14.79 (0.07) | ||
| K magnitude | 15.09 (0.1) | 15.09 (0.1) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.29 (0.0004) | 14.27 (0.003) | ||
| BP magnitude | 14.11 (0.004) | |||
| RP magnitude | 14.48 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.009 | |||
* 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.