Gaia DR2 3903151246497510784
All names: SDSS J124036.23+093209.4, USNO-B1.0 0995-00223915, Gaia DR2 3903151246497510784, SDSS J124036.22+093209.4, GALEX J124036.2+093211, Gaia DR3 3903151246497510784, LSPM J1240+0932, Gaia EDR3 3903151246497510784, WDJ124036.21+093209.99, J1240+0932
| 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 | 12 40 36.30 (0.1) | 12 40 36.30 | 12 40 36.30 | 12 40 36.21 (0.1) | 12 40 36.30 | ||||||||
| Declination | 09 32 07.56 (0.09) | 09 32 07.63 | 09 32 07.56 | 09 32 09.99 (0.09) | 09 32 07.63 | ||||||||
| Spectral type | DC | DC | DC | DC | DC | ||||||||
| Effective temperature | [K] | 6213.0 (35) | 5989.0 (30) | 5898.0 (34) | 6435.0 | 6185.0 | 5543.0 (314) | ||||||
| log(g) | [cgs] | 8.23 (0.01) | 8.09 (0.02) | 8.04 (0.02) | 8.32 | 8.20 | 8.10 (0.05) | ||||||
| Mass | [M☉] | 0.721 (0.01) | 0.627 (0.02) | 0.595 (0.02) | 0.795 | 0.697 | 0.633 (0.04) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 3.2700 | 3.7260 | 3.6130 | |||||||||
| log(H/He) | -3.0 | -3 | |||||||||||
| 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] | 16.29 (0.2) | 16.01 (0.2) | 16.01 (0.2) | 16.29 | 16.29 (0.2) | 16.01 (0.2) | ||||||
| Distance | [pc] | 61.38 (0.6) | 62.46 (0.9) | 62.45 (0.9) | 61.38 | 61.38 (0.6) | 62.45 (0.9) | ||||||
| Composition | He | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 80.79512097 (0.2) | 80.74009136 (0.5) | 80.795 (0.2) | 80.74009136 | ||||||||
| Proper motion (declination) | [mas/yr] | -151.898147 (0.2) | -152.1159746 (0.3) | -151.898 (0.2) | -152.1159746 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 18.50 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 18.00 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.47 (0.02) | ||||||||||||
| H magnitude | 17.30 (0.04) | ||||||||||||
| K magnitude | 17.29 (0.09) | ||||||||||||
| u magnitude | 19.23 (0.03) | 19.21 (0.03) | 19.25 (0.03) | ||||||||||
| g magnitude | 18.46 (0.008) | 18.48 (0.008) | |||||||||||
| r magnitude | 18.18 (0.008) | 18.19 (0.008) | |||||||||||
| i magnitude | 18.10 (0.009) | 18.11 (0.01) | |||||||||||
| z magnitude | 18.08 (0.02) | 18.13 (0.03) | |||||||||||
| G magnitude | 18.18 (0.01) | 18.20 | 18.18 | 18.18 (0.003) | 18.20 | ||||||||
| BP magnitude | 18.42 (0.01) | 18.40 | 18.40 | ||||||||||
| RP magnitude | 17.78 (0.02) | 17.77 | 17.77 | ||||||||||
| Pan g magnitude | 18.45 (0.005) | 18.45 (0.005) | |||||||||||
| Pan r magnitude | 18.19 (0.005) | 18.19 (0.005) | |||||||||||
| Pan i magnitude | 18.12 (0.004) | 18.12 (0.004) | |||||||||||
| Pan z magnitude | 18.14 (0.008) | 18.14 (0.007) | |||||||||||
| Pan y magnitude | 18.15 (0.02) | 18.15 (0.01) | |||||||||||
| E(B-V) | 0.002 | ||||||||||||
* Constant surface field
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