All names: HE 0101+0005, SDSS J010411.08+002149.5, [BGK2006] J010411.09+002149.5, TIC 344719749, 2MASS J01041108+0021496, Gaia DR2 2536360677154113664, Gaia DR3 2536360677154113664, SDSS J010411.08+002149.4, Gaia EDR3 2536360677154113664, GALEX J010411.0+002149, PHL 7106
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 04 11.09 (0.04) | 01 04 11.08 | 01 04 11.09 (0.06) | 01 04 11.08 (0.04) | 01 04 11.09 | |||
| Declination | 00 21 49.42 (0.03) | 00 21 49.49 | 00 21 49.42 (0.04) | 00 21 49.50 (0.03) | 00 21 49.51 | |||
| Spectral type | sdB | SDB | ||||||
| Effective temperature | [K] | 7753.0 (6) | ||||||
| log(g) | [cgs] | 5.00 (0.002) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.10 (0.05) | 0.00 (0.07) | 0.10 (0.05) | ||||
| Distance | [pc] | 10174.11 (4841) | 308285.54 (6891368) | 10172.94 (4843) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 3.28792317 (0.06) | 3.05842322 (0.1) | 3.288 (0.06) | 3.0 | |||
| Proper motion (declination) | [mas/yr] | -4.958833212 (0.04) | -5.074102261 (0.06) | -4.959 (0.04) | 1.6 | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 15.50 | |||||||
| V magnitude | 15.60 | |||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.86 (0.06) | |||||||
| H magnitude | 15.90 (0.2) | |||||||
| K magnitude | 15.72 (0.2) | |||||||
| u magnitude | 16.45 (0.007) | 16.45 (0.007) | 16.46 (0.01) | |||||
| g magnitude | 15.66 (0.004) | 15.67 (0.004) | 15.66 (0.02) | |||||
| r magnitude | 15.93 (0.005) | 15.94 (0.005) | 15.95 (0.02) | |||||
| i magnitude | 16.17 (0.005) | 16.18 (0.005) | 16.18 (0.01) | |||||
| z magnitude | 16.29 (0.008) | 16.31 (0.008) | 16.29 (0.02) | |||||
| G magnitude | 15.80 (0.002) | 15.82 | 15.80 (0.003) | |||||
| BP magnitude | 15.79 (0.002) | 15.78 | ||||||
| RP magnitude | 15.82 (0.003) | 15.82 | ||||||
| Pan g magnitude | 15.71 (0.003) | |||||||
| Pan r magnitude | 15.93 (0.006) | |||||||
| Pan i magnitude | 16.16 (0.002) | |||||||
| Pan z magnitude | 16.31 (0.005) | |||||||
| Pan y magnitude | 16.37 (0.003) | |||||||
| E(B-V) | 0.025 | |||||||
* 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.