SDSS J073800.80+432601.7
All names: SDSS J073800.80+432601.75, J0738+4326, LAMOST J073800.88+432602.1, WDJ073800.75+432601.50, Gaia EDR3 925258860342797568, Gaia DR3 925258860342797568, Gaia DR2 925258860342797568, GALEX J073800.8+432601, SDSS J073800.80+432601.7, SDSS J073800.79+432601.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Kilic et al. 2025 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 38 00.96 (0.07) | 07 38 00.80 | 07 38 00.95 (0.09) | 07 38 00.96 | 07 38 00.75 (0.07) | 07 38 00.95 | |||||||||
| Declination | 43 26 02.49 (0.05) | 43 26 01.75 | 43 26 02.46 (0.06) | 43 26 02.49 | 43 26 01.50 (0.05) | 43 26 02.46 | |||||||||
| Spectral type | DC | DC | DC | DC | DC | DC | DC | DC | |||||||
| Effective temperature | [K] | 5745.0 (18) | 6073.0 (18) | 6252.0 | 6001.0 | 12104.0 (1000) | |||||||||
| log(g) | [cgs] | 8.01 (0.008) | 8.18 (0.007) | 8.29 | 8.16 | 6.50 (0.5) | |||||||||
| Mass | [M☉] | 0.577 (0.007) | 0.687 (0.007) | 0.774 | 0.67 | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 3.7500 | 3.8270 | 3.7360 | |||||||||||
| log(H/He) | -5.0 | ||||||||||||||
| 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] | 24.88 (0.08) | 24.77 (0.1) | 24.77 (0.1) | 24.88 | 24.88 (0.08) | 24.77 (0.1) | ||||||||
| Distance | [pc] | 40.20 (0.1) | 40.37 (0.2) | 40.37 (0.2) | 40.20 | 40.20 (0.1) | 40.37 (0.2) | ||||||||
| Composition | He | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 140.1559482 (0.08) | 140.1539984 (0.2) | 140.156 (0.08) | 140.1539984 | ||||||||||
| Proper motion (declination) | [mas/yr] | 62.31816604 (0.06) | 62.2349406 (0.1) | 62.318 (0.06) | 62.2349406 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 16.50 (0.02) | ||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 18.37 (0.01) | 18.37 (0.01) | 18.37 (0.01) | 18.37 (0.01) | 18.37 (0.01) | ||||||||||
| g magnitude | 17.63 (0.005) | 17.63 (0.01) | 17.63 (0.005) | 17.63 (0.005) | |||||||||||
| r magnitude | 17.32 (0.006) | 17.32 (0.01) | 17.31 (0.006) | 17.32 (0.006) | |||||||||||
| i magnitude | 17.21 (0.006) | 17.21 (0.01) | 17.21 (0.006) | 17.21 (0.006) | |||||||||||
| z magnitude | 17.18 (0.01) | 17.18 (0.01) | 17.18 (0.01) | 17.18 (0.01) | |||||||||||
| G magnitude | 17.30 (0.01) | 17.32 | 17.30 | 17.30 (0.003) | 17.32 | ||||||||||
| BP magnitude | 17.56 (0.01) | 17.57 | 17.57 | ||||||||||||
| RP magnitude | 16.86 (0.005) | 16.88 | 16.88 | ||||||||||||
| Pan g magnitude | 17.60 (0.003) | 17.60 (0.003) | |||||||||||||
| Pan r magnitude | 17.29 (0.004) | 17.29 (0.005) | |||||||||||||
| Pan i magnitude | 17.21 (0.003) | 17.21 (0.002) | |||||||||||||
| Pan z magnitude | 17.22 (0.006) | 17.22 (0.007) | |||||||||||||
| Pan y magnitude | 17.24 (0.009) | 17.24 (0.007) | |||||||||||||
| E(B-V) | 0.001 | ||||||||||||||
* Constant surface field
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