Gaia DR2 1325899461324069376
All names: USNO-B1.0 1238-00255058, NLTT 43099, SDSS J163405.42+335050.3, LP 275-63, GALEX J163405.3+335049, Gaia DR2 1325899461324069376, J1634+3350, WDJ16345.41+335050.76, WDJ163405.41+335050.77, LSPM J1634+3350, Gaia EDR3 1325899461324069376, TIC 8671649, 2MASS J16340541+3350510, SDSS J163405.41+335050.3, Gaia DR3 1325899461324069376
| 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 | 16 34 05.42 (0.04) | 16 34 05.42 | 16 34 05.42 | 16 34 05.41 (0.04) | 16 34 05.42 | ||||||||
| Declination | 33 50 47.57 (0.05) | 33 50 47.67 | 33 50 47.57 | 33 50 50.77 (0.05) | 33 50 47.67 | ||||||||
| Spectral type | DC | DC | DC | DC | DC | ||||||||
| Effective temperature | [K] | 7478.0 (34) | 7445.0 (29) | 7478.0 (34) | 7978.0 | 7682.0 | 7215.0 (72) | ||||||
| log(g) | [cgs] | 7.99 (0.008) | 7.97 (0.008) | 7.98 (0.008) | 8.22 | 8.12 | 7.95 (0.02) | ||||||
| Mass | [M☉] | 0.566 (0.006) | 0.557 (0.007) | 0.564 (0.007) | 0.733 | 0.653 | 0.544 (0.01) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 1.3400 | 1.5490 | 1.4520 | |||||||||
| log(H/He) | -3.6 | -3.6 | -3.6 | ||||||||||
| 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] | 17.90 (0.06) | 17.86 (0.08) | 17.86 (0.08) | 17.90 | 17.90 (0.06) | 17.86 (0.08) | ||||||
| Distance | [pc] | 55.87 (0.2) | 55.99 (0.3) | 56.00 (0.2) | 55.87 | 55.87 (0.2) | 56.00 (0.2) | ||||||
| Composition | He | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 4.561914531 (0.05) | 4.49968482 (0.1) | 4.562 (0.05) | 4.49968482 | ||||||||
| Proper motion (declination) | [mas/yr] | -199.794442 (0.07) | -199.4862585 (0.1) | -199.794 (0.07) | -199.4862585 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 17.10 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 16.80 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.42 (0.1) | 16.42 (0.1) | |||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 17.51 (0.009) | 17.51 (0.009) | 17.54 (0.01) | ||||||||||
| g magnitude | 17.12 (0.005) | 17.12 (0.004) | |||||||||||
| r magnitude | 17.06 (0.006) | 17.05 (0.005) | |||||||||||
| i magnitude | 17.10 (0.006) | 17.09 (0.006) | |||||||||||
| z magnitude | 17.20 (0.01) | 17.17 (0.01) | |||||||||||
| G magnitude | 17.02 (0.007) | 17.03 | 17.02 | 17.02 (0.003) | 17.03 | ||||||||
| BP magnitude | 17.15 (0.007) | 17.15 | 17.15 | ||||||||||
| RP magnitude | 16.79 (0.005) | 16.79 | 16.79 | ||||||||||
| Pan g magnitude | 17.14 (0.003) | 17.14 (0.004) | |||||||||||
| Pan r magnitude | 17.06 (0.002) | 17.06 (0.002) | |||||||||||
| Pan i magnitude | 17.10 (0.002) | 17.10 (0.002) | |||||||||||
| Pan z magnitude | 17.20 (0.003) | 17.20 (0.003) | |||||||||||
| Pan y magnitude | 17.25 (0.01) | 17.25 (0.01) | |||||||||||
| E(B-V) | 0.006 | ||||||||||||
* Constant surface field
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