Gaia DR2 4560373769265200640
All names: Gaia DR3 4560373769265200640, SDSS J170446.49+185256.6, Gaia EDR3 4560373769265200640, Gaia DR2 4560373769265200640, SDSS J170446.49+185256.7, WDJ170446.5+185256.65, J1704+1852, WDJ170446.50+185256.66
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | 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 | 17 04 46.47 (0.2) | 17 04 46.48 | 17 04 46.47 | 17 04 46.50 (0.2) | 17 04 46.48 | |||||||
| Declination | 18 52 56.74 (0.2) | 18 52 56.74 | 18 52 56.74 | 18 52 56.65 (0.2) | 18 52 56.74 | |||||||
| Spectral type | DC | DC | DA | DC | ||||||||
| Effective temperature | [K] | 5541.0 (78) | 5350.0 (72) | 5838.0 | 5584.0 | 6244.0 (195) | ||||||
| log(g) | [cgs] | 8.23 (0.06) | 8.10 (0.06) | 8.39 | 8.25 | 8.46 (0.07) | ||||||
| Mass | [M☉] | 0.718 (0.05) | 0.629 (0.05) | 0.84 | 0.732 | 0.886 (0.06) | ||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 5.7900 | 5.1720 | 5.4530 | ||||||||
| log(H/He) | -5 | |||||||||||
| 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] | 9.45 (0.3) | 10.20 (0.5) | 10.20 (0.5) | 9.45 | 9.45 (0.3) | 10.20 (0.5) | |||||
| Distance | [pc] | 105.81 (4) | 98.04 (5) | 98.03 (5) | 105.81 | 105.81 (4) | 98.03 (5) | |||||
| Composition | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -21.66527836 (0.2) | -21.58695168 (0.5) | -21.665 (0.2) | -21.58695168 | |||||||
| Proper motion (declination) | [mas/yr] | 5.439032909 (0.3) | 5.040049322 (0.6) | 5.439 (0.3) | 5.040049322 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 21.08 (0.1) | 20.94 (0.07) | 21.08 (0.1) | |||||||||
| g magnitude | 20.06 (0.02) | 20.05 (0.02) | ||||||||||
| r magnitude | 19.67 (0.02) | 19.68 (0.02) | ||||||||||
| i magnitude | 19.55 (0.02) | 19.53 (0.02) | ||||||||||
| z magnitude | 19.38 (0.06) | 19.45 (0.06) | ||||||||||
| G magnitude | 19.68 (0.05) | 19.73 | 19.68 | 19.68 (0.004) | 19.73 | |||||||
| BP magnitude | 19.98 (0.05) | 20.03 | 20.03 | |||||||||
| RP magnitude | 19.33 (0.04) | 19.23 | 19.23 | |||||||||
| Pan g magnitude | 20.03 (0.01) | 20.03 (0.01) | ||||||||||
| Pan r magnitude | 19.67 (0.01) | 19.67 (0.009) | ||||||||||
| Pan i magnitude | 19.53 (0.009) | 19.53 (0.01) | ||||||||||
| Pan z magnitude | 19.48 (0.02) | 19.48 (0.03) | ||||||||||
| Pan y magnitude | 19.49 (0.05) | 19.49 (0.05) | ||||||||||
| E(B-V) | 0.012 | |||||||||||
* Constant surface field
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