Gaia DR2 446263083632852608
All names: 2MASS J03100328+5309227, Gaia DR3 446263083632852608, USNO-B1.0 1431-00114785, J0310+5309, WDJ031003.27+530922.23, TIC 117037006, WDJ03103.27+530922.22, Gaia DR2 446263083632852608, Gaia EDR3 446263083632852608, Lan 57, Lan 057
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Lepine et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 10 03.32 (0.05) | 03 10 03.32 | 03 10 03.32 | 03 10 03.27 (0.05) | 03 10 03.32 | |||||||
| Declination | 53 09 20.99 (0.05) | 53 09 21.03 | 53 09 20.99 | 53 09 22.23 (0.05) | 53 09 21.03 | |||||||
| Spectral type | DC | DC4 | DQ | DC4 | ||||||||
| Effective temperature | [K] | 8248.0 (59) | 8564.0 | 8349.0 | 7580.0 (51) | |||||||
| log(g) | [cgs] | 7.71 (0.01) | 7.93 | 7.84 | 7.51 (0.01) | |||||||
| Mass | [M☉] | 0.421 (0.009) | 0.556 | 0.488 | 0.332 (0.008) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.7400 | 0.8180 | 0.8130 | ||||||||
| log(H/He) | -3.8 | |||||||||||
| 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] | 14.39 (0.07) | 14.34 (0.09) | 14.34 (0.09) | 14.39 | 14.39 (0.07) | 14.34 (0.09) | |||||
| Distance | [pc] | 69.49 (0.3) | 69.74 (0.4) | 69.73 (0.4) | 69.49 | 69.49 (0.3) | 69.73 (0.4) | |||||
| Composition | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 29.27534344 (0.06) | 29.53500059 (0.2) | 29.275 (0.06) | 29.53500059 | |||||||
| Proper motion (declination) | [mas/yr] | -77.27689778 (0.07) | -77.06187621 (0.1) | -77.277 (0.07) | -77.06187621 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 16.60 | |||||||||||
| V magnitude | 16.40 | |||||||||||
| R magnitude | 16.20 | |||||||||||
| I magnitude | 17.20 | |||||||||||
| J magnitude | 16.59 (0.01) | 16.62 (0.1) | ||||||||||
| H magnitude | 16.52 (0.02) | 16.42 (0.2) | ||||||||||
| K magnitude | 16.54 (0.05) | |||||||||||
| u magnitude | ||||||||||||
| g magnitude | ||||||||||||
| r magnitude | ||||||||||||
| i magnitude | ||||||||||||
| z magnitude | ||||||||||||
| G magnitude | 16.81 (0.004) | 16.84 | 16.81 | 16.81 (0.003) | 16.84 | |||||||
| BP magnitude | 16.92 (0.004) | 16.90 | 16.90 | |||||||||
| RP magnitude | 16.62 (0.004) | 16.62 | 16.62 | |||||||||
| Pan g magnitude | 16.90 (0.005) | 16.90 (0.006) | ||||||||||
| Pan r magnitude | 16.88 (0.002) | 16.88 (0.003) | ||||||||||
| Pan i magnitude | 16.96 (0.008) | 16.96 (0.008) | ||||||||||
| Pan z magnitude | 17.07 (0.004) | 17.07 (0.004) | ||||||||||
| Pan y magnitude | 17.14 (0.02) | 17.14 (0.02) | ||||||||||
| E(B-V) | 0.002 | |||||||||||
* Constant surface field
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