SDSS J081740.00+163117.2
All names: SDSS J081739.99+163117.1, GALEX J081740.0+163117, Gaia EDR3 656123633910993408, Gaia DR2 656123633910993408, Gaia DR3 656123633910993408, SDSS J081740.00+163117.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Reindl et al. 2014 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 17 40.00 (0.3) | 08 17 40.00 | 08 17 40.00 (0.4) | 08 17 40.00 (0.3) | 08 17 40.00 | ||||||
| Declination | 16 31 17.13 (0.2) | 16 31 17.16 | 16 31 17.13 (0.2) | 16 31 17.17 (0.2) | 16 31 17.16 | ||||||
| Spectral type | DO | DO | DO | DO | |||||||
| Effective temperature | [K] | 59964.0 (2619) | 27563.0 | 60000.0 | 50000.0 (149) | ||||||
| log(g) | [cgs] | 8.45 (0.3) | 7.77 | 7.50 (0.5) | 7.08 (0.08) | ||||||
| Mass | [M☉] | 0.92 (0.1) | 0.524 | 0.5 | |||||||
| log(Luminosity) | [L☉] | 0.01 (0.2) | |||||||||
| Cooling age | [Gyr] | 0.0010 (0.0002) | 0.0119 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | <0.05 | ||||||||||
| 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] | 0.64 (0.3) | 1.17 (0.4) | 0.64 (0.3) | |||||||
| Distance | [pc] | 1564.81 (792) | 857.58 (327) | 1564.70 (792) | |||||||
| Composition | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 1.079946966 (0.4) | 0.882531598 (0.8) | 1.08 (0.4) | |||||||
| Proper motion (declination) | [mas/yr] | -2.896398074 (0.3) | -3.568661578 (0.5) | -2.896 (0.3) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.73 (0.02) | 18.73 (0.02) | 18.75 (0.02) | ||||||||
| g magnitude | 19.18 (0.01) | 19.18 | 19.18 (0.01) | 19.20 (0.02) | |||||||
| r magnitude | 19.72 (0.02) | 19.72 (0.02) | 19.72 (0.02) | ||||||||
| i magnitude | 20.05 (0.03) | 20.05 (0.03) | 20.05 (0.03) | ||||||||
| z magnitude | 20.28 (0.1) | 20.28 (0.1) | 20.11 (0.1) | ||||||||
| G magnitude | 19.44 (0.05) | 19.49 | 19.44 (0.004) | ||||||||
| BP magnitude | 19.30 (0.05) | 19.16 | |||||||||
| RP magnitude | 19.62 (0.08) | 19.70 | |||||||||
| Pan g magnitude | 19.26 (0.009) | ||||||||||
| Pan r magnitude | 19.70 (0.008) | ||||||||||
| Pan i magnitude | 20.05 (0.01) | ||||||||||
| Pan z magnitude | 20.22 (0.09) | ||||||||||
| Pan y magnitude | 20.34 (0.2) | ||||||||||
| E(B-V) | 0.032 | ||||||||||
* Constant surface field
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