All names: Gaia DR3 944653489543569024, Gaia DR2 944653489543569024, SDSS J063803.60+373309.0, WIRED J063803.60+373309.2, SDSS J063803.61+373309.2, GALEX J063803.6+373309, Gaia EDR3 944653489543569024
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 06 38 03.60 (0.5) | 06 38 03.61 | 06 38 03.60 (0.4) | 06 38 03.62 (0.5) | 06 38 03.61 | |||
| Declination | 37 33 09.00 (0.4) | 37 33 09.10 | 37 33 09.01 (0.4) | 37 33 09.27 (0.4) | 37 33 09.20 | |||
| Spectral type | DA | DA+M | ||||||
| Effective temperature | [K] | 19542.0 (242) | ||||||
| log(g) | [cgs] | 7.69 (0.04) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 1.35 (0.6) | 2.96 (0.5) | 1.35 (0.6) | ||||
| Distance | [pc] | 740.91 (307) | 337.36 (57) | 740.91 (307) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -20.65061961 (0.6) | -15.08072422 (0.9) | -20.651 (0.6) | ||||
| Proper motion (declination) | [mas/yr] | -16.34385223 (0.5) | -11.60264025 (0.9) | -16.344 (0.5) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 19.11 (0.02) | 19.11 (0.02) | 19.13 (0.03) | |||||
| g magnitude | 18.78 (0.009) | 18.78 (0.009) | 18.82 (0.01) | |||||
| r magnitude | 18.91 (0.01) | 18.91 (0.01) | 19.06 (0.01) | |||||
| i magnitude | 18.72 (0.01) | 18.72 (0.01) | 18.97 (0.01) | |||||
| z magnitude | 18.23 (0.02) | 18.23 (0.03) | 18.41 (0.03) | |||||
| G magnitude | 18.90 (0.04) | 18.91 | 18.90 (0.009) | |||||
| BP magnitude | 18.90 (0.04) | 18.85 | ||||||
| RP magnitude | 18.30 (0.04) | 18.35 | ||||||
| Pan g magnitude | 18.86 (0.006) | |||||||
| Pan r magnitude | 19.00 (0.01) | |||||||
| Pan i magnitude | 18.83 (0.01) | |||||||
| Pan z magnitude | 18.48 (0.01) | |||||||
| Pan y magnitude | 18.25 (0.02) | |||||||
| E(B-V) | 0.107 | |||||||
* 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.