SDSS J172704.99+084857.1
All names: SDSS J172704.99+084857.1, Gaia DR2 4490551795901485056, Gaia EDR3 4490551795901485056, Gaia DR3 4490551795901485056, GALEX J172704.9+084857, SDSS J172705.00+084857.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 27 05.00 (0.1) | 17 27 05.00 | 17 27 05.00 (0.2) | 17 27 05.00 (0.1) | 17 27 05.00 | ||||||
| Declination | 08 48 56.90 (0.1) | 08 48 57.14 | 08 48 56.91 (0.2) | 08 48 57.17 (0.1) | 08 48 57.15 | ||||||
| Spectral type | DA | DA | DA | DAH | DA | ||||||
| Effective temperature | [K] | 41516.0 (775) | 17460.0 | 41618.0 (550) | |||||||
| log(g) | [cgs] | 7.97 (0.08) | 6.99 | 8.02 (0.06) | |||||||
| Mass | [M☉] | 0.66 (0.04) | 0.256 | ||||||||
| log(Luminosity) | [L☉] | -0.29 (0.06) | |||||||||
| Cooling age | [Gyr] | 0.0033 (0.0001) | |||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| log(C/H) | |||||||||||
| log(N/H) | |||||||||||
| log(O/H) | |||||||||||
| log(Na/H) | |||||||||||
| log(Mg/H) | |||||||||||
| log(Al/H) | |||||||||||
| log(Si/H) | |||||||||||
| log(P/H) | |||||||||||
| log(S/H) | |||||||||||
| log(Sc/H) | |||||||||||
| log(Ti/H) | |||||||||||
| log(Cr/H) | |||||||||||
| log(Mn/H) | |||||||||||
| log(Fe/H) | |||||||||||
| log(Ni/H) | |||||||||||
| Parallax | [mas] | 1.72 (0.2) | 1.48 (0.2) | 1.72 (0.2) | |||||||
| Distance | [pc] | 581.72 (61) | 674.61 (110) | 581.73 (61) | |||||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -0.508319069 (0.2) | -0.715933749 (0.5) | -0.508 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | -16.95613208 (0.1) | -17.20419503 (0.4) | -16.956 (0.1) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.19 (0.02) | 18.19 (0.02) | 18.17 (0.02) | ||||||||
| g magnitude | 18.42 (0.007) | 18.42 (0.007) | 18.42 (0.01) | ||||||||
| r magnitude | 18.83 (0.01) | 18.83 (0.01) | 18.81 (0.01) | ||||||||
| i magnitude | 19.15 (0.02) | 19.15 (0.01) | 19.11 (0.02) | ||||||||
| z magnitude | 19.49 (0.08) | 19.49 (0.08) | 19.43 (0.08) | ||||||||
| G magnitude | 18.61 (0.02) | 18.65 | 18.61 (0.003) | ||||||||
| BP magnitude | 18.53 (0.02) | 18.43 | |||||||||
| RP magnitude | 18.89 (0.03) | 18.84 | |||||||||
| Pan g magnitude | 18.48 (0.01) | ||||||||||
| Pan r magnitude | 18.80 (0.003) | ||||||||||
| Pan i magnitude | 19.13 (0.006) | ||||||||||
| Pan z magnitude | 19.36 (0.02) | ||||||||||
| Pan y magnitude | 19.53 (0.03) | ||||||||||
| E(B-V) | 0.134 | ||||||||||
* Constant surface field
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