Gaia DR2 4508113436149576960
All names: Gaia DR3 4508113436149576960, J1834+1215, WDJ183416.59+121515.81, Gaia EDR3 4508113436149576960, Gaia DR2 4508113436149576960, LSPM J1834+1215, USNO-B1.0 1022-00410777, WDJ183416.59+121515.82
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 18 34 16.51 (0.07) | 18 34 16.52 | 18 34 16.51 | 18 34 16.59 (0.07) | 18 34 16.52 | ||||||
| Declination | 12 15 13.49 (0.08) | 12 15 13.56 | 12 15 13.49 | 12 15 15.82 (0.08) | 12 15 13.56 | ||||||
| Spectral type | DQ | DC | D | ||||||||
| Effective temperature | [K] | 7788.0 (50) | 8541.0 | 8268.0 | 7989.0 (153) | ||||||
| log(g) | [cgs] | 7.91 (0.02) | 8.21 | 8.12 | 7.96 (0.03) | ||||||
| Mass | [M☉] | 0.525 (0.01) | 0.729 | 0.653 | 0.552 (0.03) | ||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.1100 | 1.2480 | 1.2070 | |||||||
| log(H/He) | |||||||||||
| log(C/He) | -5.65 | ||||||||||
| 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] | 10.95 (0.1) | 11.08 (0.1) | 11.08 (0.1) | 10.95 | 10.95 (0.1) | 11.08 (0.1) | ||||
| Distance | [pc] | 91.36 (0.9) | 90.25 (1) | 90.26 (1) | 91.36 | 91.36 (0.9) | 90.26 (1) | ||||
| Composition | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -68.64206844 (0.1) | -68.47402849 (0.3) | -68.642 (0.1) | -68.47402849 | ||||||
| Proper motion (declination) | [mas/yr] | -145.39026 (0.1) | -145.3139495 (0.2) | -145.39 (0.1) | -145.3139495 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 18.30 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | 17.50 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 17.57 (0.04) | ||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 17.78 (0.007) | 17.82 | 17.78 | 17.78 (0.003) | 17.82 | ||||||
| BP magnitude | 17.91 (0.007) | 17.91 | 17.91 | ||||||||
| RP magnitude | 17.60 (0.009) | 17.61 | 17.61 | ||||||||
| Pan g magnitude | 17.89 (0.004) | 17.89 (0.005) | |||||||||
| Pan r magnitude | 17.86 (0.006) | 17.86 (0.006) | |||||||||
| Pan i magnitude | 17.93 (0.007) | 17.93 (0.006) | |||||||||
| Pan z magnitude | 18.04 (0.006) | 18.04 (0.005) | |||||||||
| Pan y magnitude | 18.13 (0.02) | 18.13 (0.02) | |||||||||
| E(B-V) | 0.017 | ||||||||||
* Constant surface field
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