All names: Gaia DR3 3650547413611017728, Gaia EDR3 3650547413611017728, Gaia DR2 3650547413611017728, 2QZ J144436.3-010555, SDSS J144436.36-010555.7, SDSS J144436.36-010555.8
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|
| Right ascension | 14 44 36.35 (1) | 14 44 36.37 | 14 44 36.36 (10) | 14 44 36.35 (1) | 14 44 36.36 | ||
| Declination | -01 05 56.27 (1) | -01 05 55.75 | -01 05 56.26 (5) | -01 05 56.27 (1) | -01 05 55.75 | ||
| Spectral type | DA | DA | |||||
| Effective temperature | [K] | 17604.0 (603) | |||||
| log(g) | [cgs] | 7.74 (0.1) | |||||
| Mass | [M☉] | 0.497 (0.06) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | ||||||
| Distance | [pc] | ||||||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | ||||||
| Proper motion (declination) | [mas/yr] | ||||||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 20.50 | ||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 20.66 (0.05) | 20.73 (0.07) | 20.73 (0.07) | ||||
| g magnitude | 20.42 (0.02) | 20.44 (0.03) | 20.44 (0.03) | ||||
| r magnitude | 20.77 (0.03) | 20.77 (0.04) | 20.77 (0.04) | ||||
| i magnitude | 20.98 (0.06) | 21.01 (0.06) | 21.01 (0.06) | ||||
| z magnitude | 21.20 (0.2) | 21.20 (0.2) | 21.20 (0.2) | ||||
| G magnitude | 20.59 (0.2) | 20.69 | 20.59 (0.01) | ||||
| BP magnitude | 20.45 (0.2) | ||||||
| RP magnitude | 20.71 (0.3) | ||||||
| Pan g magnitude | 20.43 (0.01) | ||||||
| Pan r magnitude | 20.68 (0.04) | ||||||
| Pan i magnitude | 20.95 (0.02) | ||||||
| Pan z magnitude | 21.05 (0.2) | ||||||
| Pan y magnitude | |||||||
| E(B-V) | |||||||
* 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.