Gaia DR2 1047228922162323968
All names: WDJ10283.93+581506.52, WDJ102803.93+581506.53, Gaia DR2 1047228922162323968, Gaia DR3 1047228922162323968, SDSS J102803.93+581506.5, Gaia EDR3 1047228922162323968, SDSS J102803.94+581506.5, J1028+5815, GALEX J102804.1+581506
| 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 | 10 28 04.12 (0.05) | 10 28 04.11 | 10 28 04.12 | 10 28 03.93 (0.05) | 10 28 04.11 | ||||||||
| Declination | 58 15 06.13 (0.06) | 58 15 06.14 | 58 15 06.13 | 58 15 06.53 (0.06) | 58 15 06.14 | ||||||||
| Spectral type | DC | DC | DC | DC: | DC | ||||||||
| Effective temperature | [K] | 6529.0 (26) | 6597.0 (26) | 6529.0 (26) | 6994.0 | 6734.0 | 6369.0 (67) | ||||||
| log(g) | [cgs] | 7.78 (0.01) | 7.82 (0.01) | 7.78 (0.01) | 8.05 | 7.93 | 7.78 (0.02) | ||||||
| Mass | [M☉] | 0.452 (0.008) | 0.471 (0.01) | 0.452 (0.01) | 0.62 | 0.532 | 0.45 (0.01) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 1.4900 | 1.6250 | 1.5550 | |||||||||
| log(H/He) | -3.2 | -3.2 | -3.2 | ||||||||||
| 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] | 14.43 (0.09) | 14.43 (0.1) | 14.43 (0.1) | 14.43 | 14.43 (0.09) | 14.43 (0.1) | ||||||
| Distance | [pc] | 69.31 (0.4) | 69.30 (0.7) | 69.31 (0.7) | 69.31 | 69.31 (0.4) | 69.31 (0.7) | ||||||
| Composition | He | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 93.66018062 (0.05) | 93.81842895 (0.2) | 93.66 (0.06) | 93.81842895 | ||||||||
| Proper motion (declination) | [mas/yr] | -25.22307368 (0.07) | -25.12556704 (0.2) | -25.223 (0.07) | -25.12556704 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.17 (0.03) | ||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 18.46 (0.01) | 18.46 (0.01) | 18.45 (0.01) | ||||||||||
| g magnitude | 17.92 (0.006) | 17.90 (0.006) | |||||||||||
| r magnitude | 17.72 (0.006) | 17.71 (0.006) | |||||||||||
| i magnitude | 17.67 (0.007) | 17.67 (0.007) | |||||||||||
| z magnitude | 17.74 (0.02) | 17.70 (0.02) | |||||||||||
| G magnitude | 17.70 (0.007) | 17.72 | 17.70 | 17.70 (0.003) | 17.72 | ||||||||
| BP magnitude | 17.91 (0.007) | 17.91 | 17.91 | ||||||||||
| RP magnitude | 17.37 (0.008) | 17.36 | 17.36 | ||||||||||
| Pan g magnitude | 17.90 (0.003) | 17.90 (0.003) | |||||||||||
| Pan r magnitude | 17.71 (0.004) | 17.71 (0.005) | |||||||||||
| Pan i magnitude | 17.68 (0.005) | 17.68 (0.004) | |||||||||||
| Pan z magnitude | 17.74 (0.003) | 17.74 (0.004) | |||||||||||
| Pan y magnitude | 17.79 (0.01) | 17.79 (0.01) | |||||||||||
| E(B-V) | 0.003 | ||||||||||||
* Constant surface field
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