All names: Gaia EDR3 294062563782633216, Gaia DR3 294062563782633216, GALEX J011714.3+244021, SDSS J011714.47+244021.4, Gaia DR2 294062563782633216, USNO-B1.0 1146-00017373, SDSS J011714.48+244021.4, SDSS J011714.49+244021.4, ** SLN 3A, SDSS J011714.48+244021.5, WDS J01172+2440A
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 17 14.48 (0.3) | 01 17 14.49 | 01 17 14.48 (0.4) | 01 17 14.49 (0.3) | 01 17 14.48 | ||||
| Declination | 24 40 21.44 (0.3) | 24 40 21.47 | 24 40 21.44 (0.5) | 24 40 21.63 (0.3) | 24 40 21.49 | ||||
| Spectral type | DA | DA | DA | ||||||
| Effective temperature | [K] | 16750.0 (340) | |||||||
| log(g) | [cgs] | 8.16 (0.07) | |||||||
| Mass | [M☉] | 0.704 (0.04) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 2.44 (0.4) | 2.36 (0.5) | 2.44 (0.4) | |||||
| Distance | [pc] | 409.68 (65) | 423.80 (84) | 409.68 (65) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -6.412194009 (0.5) | -5.019217568 (1) | -6.412 (0.5) | |||||
| Proper motion (declination) | [mas/yr] | -11.6514308 (0.4) | -8.90361427 (1) | -11.651 (0.4) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 19.50 | ||||||||
| V magnitude | |||||||||
| R magnitude | 19.50 | ||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 19.95 (0.04) | 19.95 (0.04) | 19.94 (0.03) | ||||||
| g magnitude | 19.62 (0.01) | 19.62 (0.01) | 19.63 (0.02) | ||||||
| r magnitude | 19.82 (0.02) | 19.82 (0.02) | 19.77 (0.02) | ||||||
| i magnitude | 20.08 (0.03) | 20.08 (0.03) | 20.06 (0.03) | ||||||
| z magnitude | 20.08 (0.1) | 20.08 (0.1) | 20.40 (0.1) | ||||||
| G magnitude | 19.70 (0.05) | 19.74 | 19.70 (0.005) | ||||||
| BP magnitude | 19.68 (0.05) | 19.44 | |||||||
| RP magnitude | 19.60 (0.08) | 19.74 | |||||||
| Pan g magnitude | 19.64 (0.02) | ||||||||
| Pan r magnitude | 19.80 (0.008) | ||||||||
| Pan i magnitude | 20.02 (0.01) | ||||||||
| Pan z magnitude | 20.18 (0.05) | ||||||||
| Pan y magnitude | 19.87 (0.07) | ||||||||
| E(B-V) | 0.045 | ||||||||
* 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.