SDSS J121703.61+304449.0
All names: J1217+3044, WDJ121703.65+304449.54, SDSS J121703.62+304449.0, SDSS J121703.62+304449.1, SDSS J121703.61+304449.1, Gaia EDR3 4013798537573517568, SDSS J121703.61+304449.0, GALEX J121703.5+304448, Gaia DR3 4013798537573517568, Gaia DR2 4013798537573517568
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 17 03.53 (0.2) | 12 17 03.61 | 12 17 03.53 (0.2) | 12 17 03.53 | 12 17 03.65 (0.2) | 12 17 03.53 | 12 17 03.62 | ||||||||
| Declination | 30 44 48.05 (0.1) | 30 44 49.08 | 30 44 48.09 (0.1) | 30 44 48.05 | 30 44 49.55 (0.1) | 30 44 48.09 | 30 44 49.09 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | |||||||
| Effective temperature | [K] | 7119.0 (58) | 7166.0 (56) | 7119.0 (58) | 7116.0 | 7183.0 (186) | 7050.0 (49) | ||||||||
| log(g) | [cgs] | 7.95 (0.03) | 7.97 (0.03) | 7.95 (0.03) | 7.95 | 7.99 (0.05) | 7.74 (0.1) | ||||||||
| Mass | [M☉] | 0.564 (0.02) | 0.573 (0.03) | 0.562 (0.03) | 0.561 | 0.584 (0.04) | 0.471 (0.06) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 1.4100 | 1.3550 | ||||||||||||
| 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] | 10.13 (0.2) | 10.10 (0.2) | 10.10 (0.3) | 10.13 | 10.13 (0.2) | 10.10 (0.3) | ||||||||
| Distance | [pc] | 98.69 (2) | 99.01 (2) | 98.97 (2) | 98.69 | 98.69 (2) | 98.97 (2) | ||||||||
| Composition | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -99.15656679 (0.2) | -99.27561761 (0.4) | -99.157 (0.2) | -99.27561761 | ||||||||||
| Proper motion (declination) | [mas/yr] | -93.80372396 (0.2) | -93.43480665 (0.3) | -93.804 (0.2) | -93.43480665 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 17.66 (0.03) | ||||||||||||||
| H magnitude | 17.42 (0.06) | ||||||||||||||
| K magnitude | 17.66 (0.1) | ||||||||||||||
| u magnitude | 18.99 (0.02) | 18.99 (0.02) | 18.99 (0.02) | 18.99 (0.02) | 19.00 (0.02) | ||||||||||
| g magnitude | 18.40 (0.007) | 18.40 (0.007) | 18.40 (0.007) | 18.43 (0.02) | |||||||||||
| r magnitude | 18.28 (0.007) | 18.28 (0.007) | 18.28 (0.007) | 18.28 (0.02) | |||||||||||
| i magnitude | 18.25 (0.009) | 18.25 (0.009) | 18.25 (0.009) | 18.26 (0.02) | |||||||||||
| z magnitude | 18.29 (0.02) | 18.29 (0.02) | 18.29 (0.02) | 18.28 (0.02) | |||||||||||
| G magnitude | 18.27 (0.02) | 18.29 | 18.27 | 18.27 (0.003) | 18.29 | ||||||||||
| BP magnitude | 18.48 (0.02) | 18.46 | 18.46 | ||||||||||||
| RP magnitude | 17.98 (0.02) | 17.95 | 17.95 | ||||||||||||
| Pan g magnitude | 18.44 (0.01) | 18.44 (0.009) | |||||||||||||
| Pan r magnitude | 18.31 (0.003) | 18.31 (0.003) | |||||||||||||
| Pan i magnitude | 18.28 (0.006) | 18.28 (0.007) | |||||||||||||
| Pan z magnitude | 18.33 (0.006) | 18.33 (0.007) | |||||||||||||
| Pan y magnitude | 18.36 (0.02) | 18.36 (0.02) | |||||||||||||
| E(B-V) | 0.003 | ||||||||||||||
* Constant surface field
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