Gaia DR2 3230171064244273024
All names: Gaia EDR3 3230171064244273024, Gaia DR3 3230171064244273024, Gaia DR2 3230171064244273024, J0445+0050, WDJ044515.76+005052.37, WDJ044515.76+005052.36, SDSS J044515.75+005052.4, SDSS J044515.76+005052.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 04 45 15.82 (0.1) | 04 45 15.82 | 04 45 15.82 | 04 45 15.76 (0.1) | 04 45 15.82 | ||||||||
| Declination | 00 50 50.82 (0.1) | 00 50 50.87 | 00 50 50.82 | 00 50 52.37 (0.1) | 00 50 50.87 | ||||||||
| Spectral type | DZ | DZ | DZ | DZ | DZ | ||||||||
| Effective temperature | [K] | 6047.0 (35) | 6083.0 (38) | 6071.0 (35) | 7234.0 | 6966.0 | 6371.0 (130) | ||||||
| log(g) | [cgs] | 8.06 (0.02) | 8.12 (0.03) | 8.11 (0.03) | 8.46 | 8.37 | 8.19 (0.04) | ||||||
| Mass | [M☉] | 0.606 (0.02) | 0.644 (0.03) | 0.64 (0.02) | 0.892 | 0.814 | 0.695 (0.03) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 3.2100 | 3.4050 | 3.2810 | |||||||||
| log(H/He) | -4.0 | -4.0 | <-4 | ||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | -10.19 | -10.13 | -10.14 | ||||||||||
| 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] | 12.49 (0.2) | 12.84 (0.3) | 12.84 (0.3) | 12.49 | 12.49 (0.2) | 12.84 (0.3) | ||||||
| Distance | [pc] | 80.05 (1) | 77.88 (2) | 77.87 (2) | 80.05 | 80.05 (1) | 77.87 (2) | ||||||
| Composition | He | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 57.06366242 (0.2) | 57.51013599 (0.6) | 57.064 (0.2) | 57.51013599 | ||||||||
| Proper motion (declination) | [mas/yr] | -96.4299618 (0.2) | -96.5165236 (0.4) | -96.43 (0.2) | -96.5165236 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.93 (0.05) | ||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.74 (0.03) | 19.74 (0.03) | 19.72 (0.03) | ||||||||||
| g magnitude | 18.70 (0.008) | 18.68 (0.008) | |||||||||||
| r magnitude | 18.46 (0.008) | 18.46 (0.009) | |||||||||||
| i magnitude | 18.45 (0.01) | 18.45 (0.01) | |||||||||||
| z magnitude | 18.53 (0.03) | 18.56 (0.04) | |||||||||||
| G magnitude | 18.48 (0.02) | 18.50 | 18.48 | 18.48 (0.003) | 18.50 | ||||||||
| BP magnitude | 18.72 (0.02) | 18.72 | 18.72 | ||||||||||
| RP magnitude | 18.18 (0.02) | 18.18 | 18.18 | ||||||||||
| Pan g magnitude | 18.66 (0.007) | 18.66 (0.007) | |||||||||||
| Pan r magnitude | 18.47 (0.005) | 18.47 (0.004) | |||||||||||
| Pan i magnitude | 18.49 (0.006) | 18.49 (0.007) | |||||||||||
| Pan z magnitude | 18.54 (0.008) | 18.54 (0.008) | |||||||||||
| Pan y magnitude | 18.61 (0.02) | 18.61 (0.02) | |||||||||||
| E(B-V) | 0.001 | ||||||||||||
* Constant surface field
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