All names: GSC 01978-00294, WD 1101+249, Gaia EDR3 3995631994142136576, UBV M 43307, TYC 1978-294-1, Gaia DR2 3995631994142136576, FB 69, Gaia DR3 3995631994142136576, [CW83] 1101+24, PG1101+249, TIC 393790402, CHSS 1793, 2MASS J11043165+2439426, [TFW97] J110431.67+243942.37, uvby98 620001036, PG 1101+249, Feige 36, GEN# +6.20001036, SBC9 2127, CSI+24-11018, UBV 10109
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 11 04 31.61 (0.04) | 11 04 31.72 | 11 04 31.61 (0.06) | 11 04 31.64 (0.04) | 11 04 30.34 | ||
| Declination | 24 39 42.98 (0.04) | 24 39 44.79 | 24 39 42.97 (0.05) | 24 39 42.69 (0.04) | 24 39 36.72 | ||
| Spectral type | sdB+WD | sdB | __1.7 sd | ||||
| Effective temperature | [K] | 29700.0 (500) | |||||
| log(g) | [cgs] | 5.90 (0.07) | |||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 2.31 (0.04) | 2.31 (0.06) | 2.31 (0.06) | 2.31 (0.04) | ||
| Distance | [pc] | 432.60 (8) | 433.35 (12) | 433.35 (12) | 432.60 (8) | ||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -26.91039655 (0.05) | -26.773 (0.1) | -26.773 (0.1) | -26.91 (0.05) | ||
| Proper motion (declination) | [mas/yr] | 18.48292942 (0.05) | 18.201 (0.09) | 18.201 (0.09) | 18.483 (0.05) | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 12.87 (0.3) | ||||||
| V magnitude | 12.78 | ||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 13.19 (0.03) | 13.19 (0.03) | |||||
| H magnitude | 13.26 (0.04) | 13.26 (0.04) | |||||
| K magnitude | 13.18 (0.03) | 13.18 (0.03) | |||||
| u magnitude | 12.88 (0.003) | 12.72 | |||||
| g magnitude | 12.67 (0.001) | 12.68 | |||||
| r magnitude | 13.91 | ||||||
| i magnitude | 13.46 (0.004) | 13.47 | |||||
| z magnitude | 13.79 (0.004) | 13.74 | |||||
| G magnitude | 12.72 (0.002) | 12.77 (0.003) | 12.77 | 12.72 (0.003) | |||
| BP magnitude | 12.59 (0.002) | ||||||
| RP magnitude | 12.98 (0.0009) | ||||||
| Pan g magnitude | 12.78 | ||||||
| Pan r magnitude | 13.11 | ||||||
| Pan i magnitude | 13.38 | ||||||
| Pan z magnitude | 13.56 (0.002) | ||||||
| Pan y magnitude | 13.72 (0.005) | ||||||
| E(B-V) | 0.018 | ||||||
* 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.