All names: FS 3, PG0101+039, UBV 1038, uvby98 620001011, [TFW97] J010421.67+041337.26, LAMOST J010421.67+041337.0, [HMT98] AS 03-0, Gaia DR3 2551900379931546240, GALEX J010421.5+041340, HIP 5023, EPIC 220376019, WD 0101+039, LAMOST J010421.68+041336.5, UCAC2 33161546, GEN# +6.20001011, Gaia DR2 2551900379931546240, Renson 1630, 2MASS J01042167+0413369, Feige 11, CSI+03-01011, TYC 22-821-1, GSC 00022-00821, PB 6252, HIC 5023, TIC 344719037, SBC9 2126, FB 13, PG 0101+039, Gaia EDR3 2551900379931546240, UBV M 43300
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Geier 2020 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 04 21.69 (0.04) | 01 04 21.67 | 01 04 21.69 (0.1) | 01 04 21.67 (0.04) | 01 04 21.05 | |||
| Declination | 04 13 36.58 (0.03) | 04 13 37.30 | 04 13 36.60 (0.05) | 04 13 37.05 (0.03) | 04 13 34.68 | |||
| Spectral type | sdB+WD | sdB2VIHe4 | __1.8 sd | |||||
| Effective temperature | [K] | 27500.0 (500) | ||||||
| log(g) | [cgs] | 5.53 (0.07) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 2.93 (0.05) | 2.66 (0.1) | 2.66 (0.1) | 2.93 (0.05) | |||
| Distance | [pc] | 340.78 (5) | 376.48 (17) | 376.47 (17) | 340.79 (5) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 10.82813882 (0.06) | 11.057 (0.2) | 11.05732722 (0.2) | 10.828 (0.06) | |||
| Proper motion (declination) | [mas/yr] | -29.55334224 (0.04) | -29.354 (0.09) | -29.35400497 (0.09) | -29.553 (0.04) | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 11.83 (0.0007) | |||||||
| V magnitude | 12.06 (0.0007) | |||||||
| R magnitude | 12.18 (0.0007) | |||||||
| I magnitude | 12.32 (0.0008) | |||||||
| J magnitude | 12.65 (0.03) | 12.65 (0.03) | ||||||
| H magnitude | 12.76 (0.03) | 12.76 (0.03) | ||||||
| K magnitude | 12.88 (0.02) | 12.88 (0.02) | ||||||
| u magnitude | 12.79 (0.003) | |||||||
| g magnitude | 12.14 (0.001) | |||||||
| r magnitude | 12.40 (0.002) | |||||||
| i magnitude | 13.83 (0.009) | |||||||
| z magnitude | 13.35 (0.005) | |||||||
| G magnitude | 12.03 (0.001) | 12.05 (0.0006) | 12.05 | 12.03 (0.003) | ||||
| BP magnitude | 11.90 (0.001) | 11.86 (0.005) | 11.86 | |||||
| RP magnitude | 12.29 (0.0009) | 12.29 (0.002) | 12.29 | |||||
| Pan g magnitude | 12.26 | 12.26 | ||||||
| Pan r magnitude | 12.60 | 12.60 | ||||||
| Pan i magnitude | 12.85 | 12.85 | ||||||
| Pan z magnitude | 12.91 (0.002) | 12.91 (0.002) | ||||||
| Pan y magnitude | 13.08 (0.0007) | 13.08 (0.0007) | ||||||
| E(B-V) | 0.028 | |||||||
* 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.