All names: LP 205-27, WDJ064526.94+434518.18, 2MASS J06452692+4345183, Gaia EDR3 964341830081964416, LAMOST J064526.94+434516.7, UCAC4 669-047885, Gaia DR2 964341830081964416, WD 0641+438, GALEX J064526.9+434517, TIC 307650095, Gaia DR3 964341830081964416
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 06 45 26.95 (0.03) | 06 45 26.95 (0.06) | 06 45 26.95 | 06 45 26.94 (0.03) | 06 45 26.95 | 06 45 26.59 | ||||
| Declination | 43 45 15.91 (0.03) | 43 45 15.98 (0.06) | 43 45 15.91 | 43 45 18.18 (0.03) | 43 45 15.98 | 43 45 14.40 | ||||
| Spectral type | DA | DA | DA3.1 | DA | ||||||
| Effective temperature | [K] | 16400.0 (266) | 16451.0 (248) | |||||||
| log(g) | [cgs] | 8.00 (0.05) | 7.96 (0.01) | |||||||
| Mass | [M☉] | 0.62 (0.03) | 0.59 (0.01) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| log(C/H) | ||||||||||
| log(N/H) | ||||||||||
| log(O/H) | ||||||||||
| log(Na/H) | ||||||||||
| log(Mg/H) | ||||||||||
| log(Al/H) | ||||||||||
| log(Si/H) | ||||||||||
| log(P/H) | ||||||||||
| log(S/H) | ||||||||||
| log(Sc/H) | ||||||||||
| log(Ti/H) | ||||||||||
| log(Cr/H) | ||||||||||
| log(Mn/H) | ||||||||||
| log(Fe/H) | ||||||||||
| log(Ni/H) | ||||||||||
| Parallax | [mas] | 12.56 (0.04) | 12.54 (0.07) | 12.56 | 12.56 (0.04) | 12.54 (0.07) | ||||
| Distance | [pc] | 79.64 (0.2) | 79.74 (0.5) | 76.00 | 79.64 | 79.64 (0.2) | 79.74 (0.5) | |||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 5.043721554 (0.04) | 5.061062888 (0.1) | 5.044 (0.04) | 5.061062888 | |||||
| Proper motion (declination) | [mas/yr] | -141.4610034 (0.03) | -141.5471028 (0.1) | -141.461 (0.04) | -141.5471028 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | yes | |||||||||
| B magnitude | 15.54 (0.05) | |||||||||
| V magnitude | 15.55 (0.09) | |||||||||
| R magnitude | 15.79 (0.2) | |||||||||
| I magnitude | ||||||||||
| J magnitude | 15.77 (0.06) | |||||||||
| H magnitude | 15.80 (0.1) | |||||||||
| K magnitude | 15.86 (0.2) | |||||||||
| u magnitude | ||||||||||
| g magnitude | 15.46 (0.09) | |||||||||
| r magnitude | 15.77 (0.09) | |||||||||
| i magnitude | 15.72 (0.01) | |||||||||
| z magnitude | ||||||||||
| G magnitude | 15.58 (0.002) | 15.60 | 15.58 | 15.58 (0.003) | 15.60 | |||||
| BP magnitude | 15.54 (0.002) | 15.51 | 15.51 | |||||||
| RP magnitude | 15.72 (0.003) | 15.72 | 15.72 | |||||||
| Pan g magnitude | 15.45 (0.001) | |||||||||
| Pan r magnitude | 15.75 (0.004) | |||||||||
| Pan i magnitude | 16.04 (0.002) | |||||||||
| Pan z magnitude | 16.27 (0.003) | |||||||||
| Pan y magnitude | 16.43 (0.009) | |||||||||
| E(B-V) | 0.002 | |||||||||
* 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.