All names: 2MASS J18474150+1226313, TIC 330191759, UCAC4 513-084865, HD 229513B, Gaia EDR3 4504577986571873280, Gaia DR2 4504577986571873280, WDJ184741.53+122631.75, Gaia DR3 4504577986571873280
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | McCleery et al. 2020 | Tremblay et al. 2020 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 18 47 41.60 (0.03) | 18 47 41.60 (0.05) | 18 47 41.60 | 18 47 41.60 | 18 47 41.53 (0.03) | 18 47 41.60 | |||||
| Declination | 12 26 31.79 (0.02) | 12 26 31.79 (0.05) | 12 26 31.79 | 12 26 31.79 | 12 26 31.75 (0.02) | 12 26 31.79 | |||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 10052.0 (128) | 10020.9 (149) | 10020.0 (150) | 10328.0 (56) | ||||||
| log(g) | [cgs] | 8.37 (0.03) | 8.37 (0.03) | 8.40 (0.03) | 8.42 (0.007) | ||||||
| Mass | [M☉] | 0.837 (0.02) | 0.87 (0.007) | ||||||||
| 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] | 34.66 (0.03) | 34.66 (0.03) | 34.60 (0.05) | 34.60 (0.05) | 34.66 | 34.66 (0.03) | 34.60 (0.05) | |||
| Distance | [pc] | 28.85 (0.02) | 28.85 (0.02) | 28.90 (0.05) | 28.90 (0.05) | 28.85 | 28.85 (0.02) | 28.90 (0.05) | |||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 58.92258332 (0.03) | 58.7404422 (0.1) | 58.923 (0.03) | 58.7404422 | ||||||
| Proper motion (declination) | [mas/yr] | 2.206025023 (0.03) | 2.245336122 (0.1) | 2.206 (0.03) | 2.245336122 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 14.47 (1) | ||||||||||
| H magnitude | 14.36 (0.9) | ||||||||||
| K magnitude | 14.26 (0.5) | ||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 15.06 (0.002) | 15.07 | 15.07 | 15.06 | 15.06 (0.003) | 15.07 | |||||
| BP magnitude | 15.09 (0.002) | 15.08 | 15.08 | ||||||||
| RP magnitude | 14.94 (0.004) | 14.95 | 14.95 | ||||||||
| Pan g magnitude | 15.06 (0.01) | ||||||||||
| Pan r magnitude | 15.14 (0.003) | ||||||||||
| Pan i magnitude | 15.15 (0.01) | ||||||||||
| Pan z magnitude | 15.44 (0.05) | ||||||||||
| Pan y magnitude | 15.27 (0.006) | ||||||||||
| 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.