All names: 2MASS J04292637+4945538, Gaia DR3 258761510321879424, Gaia DR2 258761510321879424, 04294+4945, USNO-B1.0 1397-00121211, WDJ042926.35+494553.88, Gaia EDR3 258761510321879424, PM J04294+4945, PSO J067.3599+49.7642, TIC 430334189, J0429+4945, LSPM J0429+4945, GALEX J042926.4+494552
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 04 29 26.40 (0.04) | 04 29 26.40 (0.06) | 04 29 26.40 | 04 29 26.35 (0.04) | 04 29 26.40 | ||||||||
| Declination | 49 45 50.89 (0.03) | 49 45 50.98 (0.04) | 49 45 50.89 | 49 45 53.88 (0.03) | 49 45 50.98 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 8683.0 (40) | 8300.0 (90) | 8377.0 | 8125.0 | 8380.0 (153) | 8469.0 (58) | ||||||
| log(g) | [cgs] | 8.07 (0.008) | 7.98 (0.03) | 8.00 | 7.90 | 8.09 (0.1) | 8.02 (0.01) | ||||||
| Mass | [M☉] | 0.642 (0.007) | 0.586 (0.01) | 0.593 | 0.52 | 0.65 (0.09) | 0.606 (0.01) | ||||||
| log(Luminosity) | [L☉] | -3.19 | |||||||||||
| Cooling age | [Gyr] | 1.0000 | 0.9540 (0.04) | 0.9448 | 0.9412 | ||||||||
| 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] | 18.52 (0.05) | 18.47 (0.07) | 18.47 (0.07) | 18.47 (0.07) | 18.52 | 18.52 (0.05) | 18.47 (0.07) | |||||
| Distance | [pc] | 53.99 (0.2) | 54.14 (0.2) | 54.14 (0.2) | 54.14 (0.2) | 49.40 (2) | 53.99 | 53.99 (0.2) | 54.14 (0.2) | ||||
| Composition | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 25.79118729 (0.05) | 25.437 (0.1) | 21.0 | 25.791 (0.05) | 25.43693418 | |||||||
| Proper motion (declination) | [mas/yr] | -187.1920362 (0.04) | -187.112 (0.07) | -188.0 | -187.192 (0.04) | -187.1120462 | |||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 16.50 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 16.30 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.11 (0.01) | 15.97 (0.09) | 15.97 | 15.97 (0.09) | |||||||||
| H magnitude | 16.00 (0.01) | 15.75 (0.2) | 15.75 | 15.75 (0.2) | |||||||||
| K magnitude | 16.07 (0.03) | 15.98 | |||||||||||
| u magnitude | |||||||||||||
| g magnitude | 16.53 (0.005) | ||||||||||||
| r magnitude | 16.50 (0.003) | ||||||||||||
| i magnitude | 16.55 (0.002) | ||||||||||||
| z magnitude | 16.66 (0.003) | ||||||||||||
| G magnitude | 16.43 (0.003) | 16.45 | 16.43 | 16.43 (0.003) | 16.45 | ||||||||
| BP magnitude | 16.54 (0.003) | 16.54 | 16.54 | ||||||||||
| RP magnitude | 16.22 (0.004) | 16.22 | 16.22 | ||||||||||
| Pan g magnitude | 16.53 (0.006) | 16.53 (0.005) | 16.53 (0.005) | ||||||||||
| Pan r magnitude | 16.50 (0.003) | 16.50 (0.003) | 16.50 (0.003) | ||||||||||
| Pan i magnitude | 16.55 (0.002) | 16.55 (0.002) | 16.55 (0.002) | ||||||||||
| Pan z magnitude | 16.66 (0.003) | 16.66 (0.003) | 16.66 (0.003) | ||||||||||
| Pan y magnitude | 16.74 (0.01) | 16.74 (0.01) | 16.74 (0.01) | ||||||||||
| E(B-V) | 0.001 | ||||||||||||
* 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.