All names: Gaia DR3 2582106305105033216, HIC 3701, FB 9, GALEX J004729.4+095855, PB 6163, uvby98 620028015, 2MASS J00472921+0958556, EPIC 220641886, GEN# +1.00004539, PG0044+097, AC +09 6-12, TYC 604-109-1, UBV M 43712, ALS 16639, TIC 418789164, GSC 00604-00109, GALEX J004729.2+095855, HD 4539, PHL 830, GEN# +6.20028015, CSI+09-00448, HIP 3701, PG 0044+097, Gaia DR2 2582106305103802880, uvby98 100004539
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 00 47 29.21 | 00 47 29.22 (0.06) | ||
| Declination | 09 58 55.70 | 09 58 55.69 (0.03) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 24650.0 (590) | ||
| log(g) | [cgs] | 5.38 (0.05) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 5.38 (0.1) | 5.83 (0.07) | |
| Distance | [pc] | 185.73 (5) | 171.58 (2) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 4.231 (0.2) | 4.658 (0.09) | |
| Proper motion (declination) | [mas/yr] | 24.273 (0.1) | 24.311 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 10.12 | |||
| V magnitude | 10.24 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 10.82 (0.02) | 10.82 (0.02) | ||
| H magnitude | 10.94 (0.03) | 10.94 (0.03) | ||
| K magnitude | 11.03 (0.02) | 11.03 (0.02) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | 13.46 (0.02) | |||
| G magnitude | 10.26 (0.0006) | 10.26 (0.003) | ||
| BP magnitude | 10.13 (0.002) | |||
| RP magnitude | 10.50 (0.0009) | |||
| Pan g magnitude | 10.78 (0.2) | |||
| Pan r magnitude | 10.74 (0.05) | |||
| Pan i magnitude | 11.17 (0.05) | |||
| Pan z magnitude | 11.64 (0.09) | |||
| Pan y magnitude | 11.51 (0.001) | |||
| E(B-V) | 0.011 | |||
* 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.