WD 0022+274
All names: SDSS J002434.82+274205.8, USNO-B1.0 1177-00010258, Gaia DR2 2856257606661059456, LAMOST J002434.82+274205.6, SDSS J002434.81+274205.8, LP 349-13, Gaia DR3 2856257606661059456, WDS J00247+2740B, WDJ002434.75+274205.86, Gaia EDR3 2856257606661059456, LAMOST J002434.81+274205.8, ** LDS 3164B, WD 0022+274
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 24 34.86 (0.06) | 00 24 34.85 (0.09) | 00 24 34.86 | 00 24 34.75 (0.06) | 00 24 34.85 | 00 24 43.32 | |||||
| Declination | 27 42 05.82 (0.04) | 27 42 05.82 (0.08) | 27 42 05.82 | 27 42 05.87 (0.04) | 27 42 05.82 | 27 40 36.84 | |||||
| Spectral type | DB | DB | DB | DB | DB | ||||||
| Effective temperature | [K] | 12685.0 (154) | 12598.0 | 13146.0 (184) | |||||||
| log(g) | [cgs] | 8.18 (0.01) | 8.20 | 8.23 (0.02) | |||||||
| Mass | [M☉] | 0.699 (0.01) | 0.71 | 0.726 (0.01) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.4618 | |||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| log(N/He) | |||||||||||
| log(O/He) | |||||||||||
| log(Na/He) | |||||||||||
| log(Mg/He) | |||||||||||
| log(Al/He) | |||||||||||
| log(Si/He) | |||||||||||
| log(P/He) | |||||||||||
| log(S/He) | |||||||||||
| log(Cl/He) | |||||||||||
| log(Sc/He) | |||||||||||
| log(Ti/He) | |||||||||||
| log(V/He) | |||||||||||
| log(Cr/He) | |||||||||||
| log(Mn/He) | |||||||||||
| log(Fe/He) | |||||||||||
| log(Co/He) | |||||||||||
| log(Ni/He) | |||||||||||
| log(Cu/He) | |||||||||||
| log(Zn/He) | |||||||||||
| log(Ga/He) | |||||||||||
| log(Ge/He) | |||||||||||
| log(Sr/He) | |||||||||||
| Parallax | [mas] | 11.02 (0.07) | 11.24 (0.1) | 11.02 | 11.02 (0.07) | 11.24 (0.1) | |||||
| Distance | [pc] | 90.73 (0.6) | 88.99 (0.9) | 90.73 | 90.73 (0.6) | 88.99 (0.9) | |||||
| Composition | He | He | |||||||||
| Proper motion (right ascension) | [mas/yr] | 88.53149028 (0.09) | 89.3761435 (0.2) | 88.531 (0.09) | 89.3761435 | ||||||
| Proper motion (declination) | [mas/yr] | -2.905200519 (0.06) | -2.574077111 (0.1) | -2.905 (0.07) | -2.574077111 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | yes | ||||||||||
| B magnitude | 16.20 | ||||||||||
| V magnitude | 16.86 | ||||||||||
| R magnitude | 16.30 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 16.59 (0.008) | 16.59 (0.008) | |||||||||
| g magnitude | 16.62 (0.004) | 16.62 (0.004) | |||||||||
| r magnitude | 16.85 (0.004) | 16.85 (0.004) | |||||||||
| i magnitude | 17.06 (0.006) | 17.06 (0.006) | |||||||||
| z magnitude | 17.27 (0.02) | 17.27 (0.02) | |||||||||
| G magnitude | 16.71 (0.003) | 16.73 | 16.71 | 16.71 (0.003) | 16.73 | ||||||
| BP magnitude | 16.68 (0.003) | 16.65 | 16.65 | ||||||||
| RP magnitude | 16.75 (0.008) | 16.76 | 16.76 | ||||||||
| Pan g magnitude | 16.65 (0.006) | ||||||||||
| Pan r magnitude | 16.85 (0.004) | ||||||||||
| Pan i magnitude | 17.08 (0.004) | ||||||||||
| Pan z magnitude | 17.27 (0.005) | ||||||||||
| Pan y magnitude | 17.40 (0.009) | ||||||||||
| E(B-V) | 0.006 | ||||||||||
* Constant surface field
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