All names: SDSS J014447.74+261042.7, 2MASS J01444775+2610427, Gaia DR2 292426559200621824, WISEA J014447.74+261042.7, WISE J014447.73+261042.8, Gaia DR3 292426559200621824, Gaia EDR3 292426971517484416, LAMOST J014447.74+261042.7, UCAC4 581-003721, Gaia DR3 292426971517484416
| Parameter | Unit | Gaia EDR3 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 01 44 54.78 (0.2) | 01 44 54.78 | 01 44 47.75 (0.04) | |||
| Declination | 26 11 17.46 (0.1) | 26 11 17.46 | 26 10 42.75 (0.03) | |||
| Spectral type | DBAZ? | DC | DBAZ? | |||
| Effective temperature | [K] | 9503.0 (429) | ||||
| log(g) | [cgs] | 7.98 (0.09) | ||||
| Mass | [M☉] | 0.569 (0.07) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 6.55 (0.2) | 6.55 | 0.44 (0.04) | ||
| Distance | [pc] | 152.70 (5) | 152.70 | 2251.24 (216) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 39.528 (0.2) | -3.603 (0.04) | |||
| Proper motion (declination) | [mas/yr] | -42.056 (0.2) | -3.504 (0.04) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 16.10 (0.02) | |||||
| V magnitude | 15.88 (0.03) | |||||
| R magnitude | 15.72 (0.08) | |||||
| I magnitude | ||||||
| J magnitude | 14.70 (0.03) | |||||
| H magnitude | 14.29 (0.04) | |||||
| K magnitude | 14.21 (0.08) | |||||
| u magnitude | 16.19 (0.006) | |||||
| g magnitude | 15.82 (0.003) | |||||
| r magnitude | 15.63 (0.003) | |||||
| i magnitude | 15.55 (0.004) | |||||
| z magnitude | 15.52 (0.006) | |||||
| G magnitude | 18.39 (0.004) | 18.39 | 15.60 (0.003) | |||
| BP magnitude | 18.43 (0.03) | |||||
| RP magnitude | 18.29 (0.04) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.068 | |||||
* 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.