All names: GALEX J084138.2+191039, SDSS J084138.24+191039.2, Gaia EDR3 661220179543386368, Gaia DR3 661220179543386368, SDSS J084138.26+191039.2, Gaia DR2 661220179543386368, SDSS J084138.25+191039.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 41 38.25 (0.2) | 08 41 38.26 | 08 41 38.25 (0.3) | 08 41 38.25 (0.2) | 08 41 38.25 | ||||
| Declination | 19 10 39.20 (0.1) | 19 10 39.22 | 19 10 39.20 (0.2) | 19 10 39.27 (0.1) | 19 10 39.23 | ||||
| Spectral type | DA | DA | DA | ||||||
| Effective temperature | [K] | 24694.0 (581) | |||||||
| log(g) | [cgs] | 7.20 (0.1) | |||||||
| Mass | [M☉] | 0.378 (0.03) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 2.15 (0.3) | 1.99 (0.3) | 2.15 (0.3) | |||||
| Distance | [pc] | 465.17 (62) | 502.73 (88) | 465.16 (62) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -5.604332084 (0.3) | -6.209012121 (0.6) | -5.604 (0.3) | |||||
| Proper motion (declination) | [mas/yr] | -4.023688015 (0.2) | -3.881913032 (0.4) | -4.024 (0.2) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 18.97 (0.02) | 18.97 (0.02) | 18.96 (0.02) | ||||||
| g magnitude | 19.00 (0.009) | 19.00 (0.009) | 19.02 (0.02) | ||||||
| r magnitude | 19.41 (0.01) | 19.41 (0.01) | 19.42 (0.02) | ||||||
| i magnitude | 19.70 (0.02) | 19.70 (0.02) | 19.72 (0.03) | ||||||
| z magnitude | 20.12 (0.1) | 20.12 (0.1) | 20.13 (0.1) | ||||||
| G magnitude | 19.21 (0.02) | 19.26 | 19.21 (0.004) | ||||||
| BP magnitude | 19.13 (0.02) | 19.04 | |||||||
| RP magnitude | 19.39 (0.05) | 19.40 | |||||||
| Pan g magnitude | 19.05 (0.006) | ||||||||
| Pan r magnitude | 19.42 (0.008) | ||||||||
| Pan i magnitude | 19.77 (0.01) | ||||||||
| Pan z magnitude | 19.90 (0.05) | ||||||||
| Pan y magnitude | 20.08 (0.2) | ||||||||
| E(B-V) | 0.027 | ||||||||
* 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.