All names: EPIC 220376019, GEN# +6.20001011, [HMT98] AS 03-0, Gaia DR3 2551900379931546240, 2MASS J01042167+0413369, Renson 1630, LAMOST J010421.68+041336.5, GALEX J010421.5+041340, FS 3, WD 0101+039, HIC 5023, GSC 00022-00821, Feige 11, PG 0101+039, SBC9 2126, Gaia DR2 2551900379931546240, UBV 1038, PB 6252, HIP 5023, TYC 22-821-1, PG0101+039, FB 13, UCAC2 33161546, uvby98 620001011, CSI+03-01011, UBV M 43300, [TFW97] J010421.67+041337.26, LAMOST J010421.67+041337.0, Gaia EDR3 2551900379931546240, TIC 344719037
| 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.