HS 1447+0454
All names: J1450+0441, SDSS J145009.84+044145.6, Gaia EDR3 1158347014670132864, SDSS J145009.83+044145.6, WDJ145009.85+044145.63, USNO-B1.0 0946-00231321, WD 1447+049, GALEX J145009.8+044146, SDSS J145009.84+044145.7, HS 1447+0454, Gaia DR3 1158347014670132864, Gaia DR2 1158347014670132864
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Koester et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 50 09.76 (0.03) | 14 50 09.76 (0.05) | 14 50 09.76 | 14 50 09.85 (0.03) | 14 50 09.76 | 14 50 10.01 | |||||||
| Declination | 04 41 45.68 (0.03) | 04 41 45.67 (0.04) | 04 41 45.68 | 04 41 45.63 (0.03) | 04 41 45.67 | 04 41 38.04 | |||||||
| Spectral type | DA | DA | DA | DA | DA | DA | |||||||
| Effective temperature | [K] | 13384.0 (88) | 13384.0 (88) | 13131.0 | 13926.0 (38) | 13860.0 (142) | |||||||
| log(g) | [cgs] | 8.01 (0.005) | 8.01 (0.005) | 7.99 | 7.82 (0.005) | 8.05 (0.009) | |||||||
| Mass | [M☉] | 0.613 (0.004) | 0.613 (0.005) | 0.602 | 0.637 (0.007) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.2881 | |||||||||||
| 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] | 16.14 (0.03) | 16.15 (0.05) | 16.14 | 16.14 (0.03) | 16.15 (0.05) | |||||||
| Distance | [pc] | 61.95 (0.1) | 61.94 (0.2) | 61.95 | 61.95 (0.1) | 61.94 (0.2) | |||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -78.93855605 (0.04) | -78.97301797 (0.09) | -78.939 (0.04) | -78.97301797 | ||||||||
| Proper motion (declination) | [mas/yr] | 2.908524198 (0.03) | 2.919502116 (0.08) | 2.909 (0.03) | 2.919502116 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 15.60 | 15.20 | |||||||||||
| V magnitude | |||||||||||||
| R magnitude | 15.60 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 15.74 (0.007) | ||||||||||||
| H magnitude | 15.75 (0.01) | ||||||||||||
| K magnitude | 15.83 (0.03) | ||||||||||||
| u magnitude | 15.75 (0.005) | 15.75 (0.005) | |||||||||||
| g magnitude | 15.37 (0.003) | 15.37 (0.003) | |||||||||||
| r magnitude | 15.61 (0.004) | 15.61 (0.004) | |||||||||||
| i magnitude | 15.84 (0.004) | 15.84 (0.004) | |||||||||||
| z magnitude | 16.09 (0.007) | 16.09 (0.007) | |||||||||||
| G magnitude | 15.50 (0.003) | 15.52 | 15.50 | 15.50 (0.003) | 15.52 | ||||||||
| BP magnitude | 15.48 (0.003) | 15.48 | 15.48 | ||||||||||
| RP magnitude | 15.56 (0.002) | 15.56 | 15.56 | ||||||||||
| Pan g magnitude | 15.40 (0.003) | ||||||||||||
| Pan r magnitude | 15.62 (0.003) | ||||||||||||
| Pan i magnitude | 15.87 (0.005) | ||||||||||||
| Pan z magnitude | 16.09 (0.002) | ||||||||||||
| Pan y magnitude | 16.24 (0.005) | ||||||||||||
| E(B-V) | 0.003 | ||||||||||||
* Constant surface field
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