SDSS J100018.24+304729.2
All names: WDJ100018.29+304730.18, SDSS J100018.24+304729.29, Gaia DR3 744177369790432640, GALEX J100018.2+304729, Gaia DR2 744177369790432640, SDSS J100018.27+304729.8, Gaia EDR3 744177369790432640, SDSS J100018.24+304729.2, SDSS J100018.24+304729.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025b | Hardy et al. 2023a | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2016 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 00 18.23 (0.2) | 10 00 18.28 | 10 00 18.23 (0.4) | 10 00 18.23 | 10 00 18.29 (0.2) | ||||||||
| Declination | 30 47 28.93 (0.2) | 30 47 29.88 | 30 47 28.97 (0.4) | 30 47 28.93 | 30 47 30.16 (0.2) | ||||||||
| Spectral type | He-DA | DA | DA-He | DA-He | DA | DA-He | DA | ||||||
| Effective temperature | [K] | 10609.0 (173) | 14042.1 (347) | 11212.0 | 16236.0 (371) | 12539.0 (811) | |||||||
| log(g) | [cgs] | 8.56 (0.05) | 9.06 (0.5) | 8.86 | 8.00 (0) | 8.90 (0.07) | |||||||
| Mass | [M☉] | 0.942 (0.04) | 1.2240575952061097 (0.5) | 1.134 | 1.153 (0.04) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 1.9020 | |||||||||||
| log(H/He) | -3.5 | ||||||||||||
| 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] | 6.16 (0.3) | 6.60 (0.5) | 6.16 | 6.16 (0.3) | ||||||||
| Distance | [pc] | 162.21 (8) | 151.58 (11) | 162.21 | 162.21 (8) | ||||||||
| Composition | He | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -53.83601094 (0.3) | -54.09787028 (0.7) | -53.836 (0.3) | |||||||||
| Proper motion (declination) | [mas/yr] | -76.9588597 (0.3) | -78.00934497 (0.6) | -76.959 (0.3) | |||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.22 (0.02) | 19.22 (0.03) | 19.22 (0.02) | ||||||||||
| g magnitude | 19.16 (0.01) | 19.16 (0.03) | 19.16 (0.01) | ||||||||||
| r magnitude | 19.31 (0.01) | 19.33 (0.02) | 19.31 (0.01) | ||||||||||
| i magnitude | 19.44 (0.02) | 19.46 (0.02) | 19.44 (0.02) | ||||||||||
| z magnitude | 19.81 (0.08) | 19.81 (0.08) | 19.81 (0.08) | ||||||||||
| G magnitude | 19.20 (0.02) | 19.20 (0.004) | 19.25 | 19.20 | 19.20 (0.004) | ||||||||
| BP magnitude | 19.19 (0.02) | 19.19 (0.02) | 19.29 | ||||||||||
| RP magnitude | 19.23 (0.04) | 19.23 (0.04) | 19.14 | ||||||||||
| Pan g magnitude | 19.18 (0.008) | 19.18 (0.008) | |||||||||||
| Pan r magnitude | 19.33 (0.007) | 19.33 (0.007) | |||||||||||
| Pan i magnitude | 19.50 (0.007) | 19.50 (0.007) | |||||||||||
| Pan z magnitude | 19.69 (0.02) | 19.69 (0.02) | |||||||||||
| Pan y magnitude | 19.72 (0.05) | 19.72 (0.05) | |||||||||||
| E(B-V) | 0.009 | ||||||||||||
* Constant surface field
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