WD 2152+127
All names: SDSS J215430.91+130026.0, SDSS J215430.69+130026.7, Gaia EDR3 1767957488499891968, Gaia DR2 1767957488499891968, Gaia DR3 1767957488499891968, WDJ215430.68+130026.78, SDSS J215430.92+130026.0, J2154+1300, WD 2152+127
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Blouin & Xu 2022 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 54 31.07 (0.1) | 21 54 31.06 (0.2) | 21 54 31.07 | 21 54 30.68 (0.1) | 21 54 31.06 | 21 54 30.74 | |||||||
| Declination | 13 00 25.59 (0.1) | 13 00 25.63 (0.2) | 13 00 25.59 | 13 00 26.77 (0.1) | 13 00 25.63 | 13 00 24.84 | |||||||
| Spectral type | DAZ | DAZ | DZA | DA: | DZA | DZA10.6 | |||||||
| Effective temperature | [K] | 4935.0 (20) | 5187.0 (20) | 4932.0 (29) | 4929.0 | 5042.0 (83) | |||||||
| log(g) | [cgs] | 7.85 (0.01) | 8.01 (0.01) | 7.84 (0.03) | 7.86 | 7.90 (0.04) | |||||||
| Mass | [M☉] | 0.49 (0.01) | 0.576 (0.01) | 0.485 (0.01) | 0.497 | 0.523 (0.04) | |||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 5.3700 | 4.2500 | 4.3980 | |||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | -9.49 | -9.74 (0.08) | |||||||||||
| 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] | 18.70 (0.2) | 18.90 (0.2) | 18.70 (0.2) | 18.90 (0.2) | 18.70 | 18.70 (0.2) | 18.90 (0.2) | |||||
| Distance | [pc] | 53.47 (0.5) | 52.91 (0.6) | 53.47 (0.5) | 52.91 (0.6) | 53.47 | 53.47 (0.5) | 52.91 (0.6) | |||||
| Composition | H | H | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 364.042261 (0.2) | 364.1069327 (0.3) | 364.042 (0.2) | 364.1069327 | ||||||||
| Proper motion (declination) | [mas/yr] | -73.75000082 (0.2) | -74.16298638 (0.4) | -73.75 (0.2) | -74.16298638 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.09 (0.03) | ||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 20.19 (0.05) | 20.72 (0.07) | 20.72 (0.07) | 20.30 | |||||||||
| g magnitude | 19.05 (0.01) | 19.05 (0.01) | 18.75 | ||||||||||
| r magnitude | 18.32 (0.008) | 18.32 (0.008) | 18.14 | ||||||||||
| i magnitude | 18.05 (0.009) | 18.05 (0.009) | 17.89 | ||||||||||
| z magnitude | 17.95 (0.02) | 17.95 (0.02) | 17.79 | ||||||||||
| G magnitude | 18.37 (0.05) | 18.39 | 18.37 | 18.37 (0.004) | 18.39 | ||||||||
| BP magnitude | 18.77 (0.05) | 18.83 | 18.83 | ||||||||||
| RP magnitude | 17.73 (0.02) | 17.72 | 17.72 | ||||||||||
| Pan g magnitude | 18.96 (0.007) | 18.96 (0.007) | 18.96 (0.007) | ||||||||||
| Pan r magnitude | 18.35 (0.006) | 18.35 (0.005) | 18.35 (0.006) | ||||||||||
| Pan i magnitude | 18.07 (0.004) | 18.07 (0.003) | 18.07 (0.004) | ||||||||||
| Pan z magnitude | 17.97 (0.006) | 17.97 (0.006) | 17.97 (0.006) | ||||||||||
| Pan y magnitude | 17.93 (0.01) | 17.93 (0.01) | 17.93 (0.01) | ||||||||||
| E(B-V) | 0.002 | ||||||||||||
* Constant surface field
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