SDSS J215135.01+003140.2
All names: GALEX J215135.0+003140, Gaia DR2 2681243457490130304, Gaia DR3 2681243457490130304, SDSS J215135.01+003140.1, Gaia EDR3 2681243457490130304, WDJ215135.01+003140.58, SDSS J215135.01+003140.2, SDSS J215135.01+003139.2, J2151+0031, WD 2149+002, SDSS J215135.00+003140.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | MWDD H | Gaia DR2 | Stilism | Ferrario et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 51 35.01 (0.1) | 21 51 35.01 | 21 51 35.01 (0.2) | 21 51 35.01 | 21 51 35.01 (0.1) | 21 51 35.01 | 21 51 35.01 | 21 51 34.51 | 21 51 35.00 | ||||||||
| Declination | 00 31 38.64 (0.1) | 00 31 40.15 | 00 31 38.70 (0.2) | 00 31 38.64 | 00 31 40.59 (0.1) | 00 31 38.70 | 00 31 40.25 | 00 31 36.12 | 00 31 40.55 | ||||||||
| Spectral type | DAH | DC | DA | DA | DC | DC | DC | DC: | DAP5.6 | DC | DC | ||||||
| Effective temperature | [K] | 8799.0 (56) | 8041.0 (45) | 8613.0 | 9000.0 | 8085.0 (205) | 10169.0 (96) | 10231.0 (129) | |||||||||
| log(g) | [cgs] | 8.49 (0.01) | 8.15 (0.02) | 8.39 | 8.27 (0.04) | 8.18 (0.5) | 9.27 (0.4) | ||||||||||
| Mass | [M☉] | 0.908 (0.01) | 0.672 (0.02) | 0.846 | 0.747 (0.04) | ||||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||||
| Cooling age | [Gyr] | 1.4200 | 1.7640 | ||||||||||||||
| log(H/He) | -3.8 | ||||||||||||||||
| 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] | 13.23 (0.2) | 12.62 (0.3) | 12.62 (0.3) | 13.23 | 13.23 (0.2) | 12.62 (0.3) | ||||||||||
| Distance | [pc] | 75.60 (0.9) | 79.24 (2) | 79.22 (2) | 75.60 | 75.59 (0.9) | 79.22 (2) | ||||||||||
| Composition | H | He | H | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 4.042704062 (0.2) | 3.903571096 (0.3) | 4.043 (0.2) | 3.904 | 6.0 | |||||||||||
| Proper motion (declination) | [mas/yr] | -121.9936134 (0.1) | -121.4167133 (0.3) | -121.994 (0.1) | -121.417 | -120.7 | |||||||||||
| Variability | |||||||||||||||||
| Magnetic | yes | yes | |||||||||||||||
| Bd | [MG] | 300 | |||||||||||||||
| Infrared excess (disk) | |||||||||||||||||
| Binarity | |||||||||||||||||
| B magnitude | |||||||||||||||||
| V magnitude | |||||||||||||||||
| R magnitude | |||||||||||||||||
| I magnitude | |||||||||||||||||
| J magnitude | |||||||||||||||||
| H magnitude | |||||||||||||||||
| K magnitude | |||||||||||||||||
| u magnitude | 18.16 (0.01) | 18.15 (0.01) | 18.16 (0.01) | 18.14 (0.01) | 18.12 (0.01) | 18.16 | 18.14 (0.02) | ||||||||||
| g magnitude | 17.84 (0.006) | 17.84 (0.006) | 17.84 (0.006) | 17.85 (0.01) | 17.84 | 17.86 (0.01) | |||||||||||
| r magnitude | 17.83 (0.006) | 17.83 (0.006) | 17.82 (0.006) | 17.82 (0.01) | 17.84 | 17.81 (0.01) | |||||||||||
| i magnitude | 17.89 (0.008) | 17.89 (0.008) | 17.89 (0.008) | 17.89 (0.01) | 17.87 | 17.89 (0.01) | |||||||||||
| z magnitude | 18.00 (0.02) | 18.00 (0.02) | 18.02 (0.02) | 18.02 (0.03) | 18.03 | 18.01 (0.03) | |||||||||||
| G magnitude | 17.78 (0.01) | 17.80 | 17.78 | 17.78 (0.003) | 17.80 | ||||||||||||
| BP magnitude | 17.89 (0.01) | 17.89 | 17.89 | ||||||||||||||
| RP magnitude | 17.60 (0.02) | 17.58 | 17.58 | ||||||||||||||
| Pan g magnitude | 17.86 (0.005) | 17.86 (0.005) | |||||||||||||||
| Pan r magnitude | 17.84 (0.004) | 17.84 (0.004) | |||||||||||||||
| Pan i magnitude | 17.91 (0.002) | 17.91 (0.003) | |||||||||||||||
| Pan z magnitude | 18.03 (0.005) | 18.03 (0.004) | |||||||||||||||
| Pan y magnitude | 18.10 (0.008) | 18.10 (0.008) | |||||||||||||||
| E(B-V) | 0.003 | ||||||||||||||||
* Constant surface field
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