WD 1254+345
All names: Gaia DR3 1515693894335906688, WIRED J125715.54+341439.3, TIC 165916724, WD 1254+345, J1257+3414, HS 1254+3440, FBS B 531, SDSS J125715.54+341439.3, Gaia DR2 1515693894335906688, 2MASS J12571551+3414394, SDSS J125715.53+341439.3, [VV2010] J125715.5+341439, FBS 1254+345, WDJ125715.54+341439.53, Gaia EDR3 1515693894335906688, GALEX J125715.5+341439, SDSS J125715.54+341439.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Hardy et al. 2023a | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Ferrario et al. 2015 | Kulebi et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 57 15.53 (0.05) | 12 57 15.54 | 12 57 15.53 (0.07) | 12 57 15.54 | 12 57 15.53 | 12 57 15.54 (0.05) | 12 57 15.53 | 12 57 15.70 | 12 57 15.54 | ||||||||||
| Declination | 34 14 38.85 (0.04) | 34 14 39.36 | 34 14 38.87 (0.05) | 34 14 39.30 | 34 14 38.85 | 34 14 39.53 (0.04) | 34 14 38.87 | 34 14 35.88 | 34 14 39.38 | ||||||||||
| Spectral type | DAH | DAH | DAH | DAH | DA | DA | DAH | DA: | DAH | DAH | DAH | DAH | DAH | ||||||
| Effective temperature | [K] | 9557.0 (40) | 10147.8 (245) | 9603.0 (38) | 9557.0 (40) | 9321.0 | 8500.0 | 9304.0 (87) | 38124.0 (288) | ||||||||||
| log(g) | [cgs] | 8.44 (0.007) | 8.54 (0.1) | 8.46 (0.008) | 8.45 (0.008) | 8.41 | 8.00 (0) | 8.41 (0.01) | 10.00 (0.003) | ||||||||||
| Mass | [M☉] | 0.877 (0.006) | 0.947862258842842 (0.1) | 0.891 (0.007) | 0.883 (0.007) | 0.858 | 0.858 (0.01) | ||||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||||||
| Cooling age | [Gyr] | 1.5100 | 1.4470 | ||||||||||||||||
| 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] | 17.96 (0.07) | 18.10 (0.09) | 18.10 (0.09) | 17.96 | 17.96 (0.07) | 18.10 (0.09) | ||||||||||||
| Distance | [pc] | 55.67 (0.2) | 55.25 (0.3) | 55.25 (0.3) | 55.67 | 55.67 (0.2) | 55.25 (0.3) | ||||||||||||
| Composition | H | H | H | H | |||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -2.687542752 (0.05) | -2.598511763 (0.1) | -2.688 (0.05) | -2.599 | ||||||||||||||
| Proper motion (declination) | [mas/yr] | -42.01527779 (0.04) | -42.1756997 (0.1) | -42.015 (0.04) | -42.176 | ||||||||||||||
| Variability | |||||||||||||||||||
| Magnetic | yes | yes | yes | yes | |||||||||||||||
| Bd | [MG] | 19.68119936031782 | 11.45 (0.7) | 11.45 (0.7) | |||||||||||||||
| Infrared excess (disk) | |||||||||||||||||||
| Binarity | |||||||||||||||||||
| B magnitude | 17.21 | ||||||||||||||||||
| V magnitude | 17.08 | 17.00 | |||||||||||||||||
| R magnitude | |||||||||||||||||||
| I magnitude | |||||||||||||||||||
| J magnitude | 16.60 (0.02) | 16.70 (0.1) | |||||||||||||||||
| H magnitude | 16.50 (0.02) | 16.14 (0.2) | |||||||||||||||||
| K magnitude | 16.62 (0.05) | ||||||||||||||||||
| u magnitude | 17.11 (0.008) | 17.11 (0.008) | 17.11 (0.008) | 17.11 (0.008) | 17.14 | 17.11 (0.02) | |||||||||||||
| g magnitude | 16.78 (0.005) | 16.78 (0.005) | 16.78 (0.005) | 16.78 | 16.80 (0.02) | ||||||||||||||
| r magnitude | 16.82 (0.005) | 16.82 (0.005) | 16.82 (0.005) | 16.81 | 16.82 (0.02) | ||||||||||||||
| i magnitude | 16.92 (0.006) | 16.92 (0.006) | 16.92 (0.006) | 16.92 | 16.91 (0.02) | ||||||||||||||
| z magnitude | 17.10 (0.01) | 17.10 (0.01) | 17.10 (0.01) | 17.11 | 17.11 (0.02) | ||||||||||||||
| G magnitude | 16.74 (0.004) | 16.77 | 16.74 | 16.74 (0.003) | 16.77 | ||||||||||||||
| BP magnitude | 16.83 (0.004) | 16.81 | 16.81 | ||||||||||||||||
| RP magnitude | 16.65 (0.007) | 16.64 | 16.64 | ||||||||||||||||
| Pan g magnitude | 16.80 (0.002) | 16.80 (0.002) | |||||||||||||||||
| Pan r magnitude | 16.83 (0.002) | 16.83 (0.003) | |||||||||||||||||
| Pan i magnitude | 16.93 (0.006) | 16.93 (0.006) | |||||||||||||||||
| Pan z magnitude | 17.08 (0.005) | 17.08 (0.006) | |||||||||||||||||
| Pan y magnitude | 17.16 (0.005) | 17.16 (0.005) | |||||||||||||||||
| E(B-V) | 0.002 | ||||||||||||||||||
* Constant surface field
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