SDSS J130945.48+445004.9
All names: SDSS J130945.47+445004.8, SDSS J130945.48+445004.94, GALEX J130945.5+445003, Gaia DR2 1529706100583143296, SDSS J130945.48+445004.9, Gaia DR3 1529706104880379136, Gaia EDR3 1529706104880379136
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2016 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 09 45.37 (0.1) | 13 09 45.48 | 13 09 45.37 (0.2) | 13 09 45.37 | 13 09 45.50 (0.1) | |||||||
| Declination | 44 50 03.92 (0.1) | 44 50 04.85 | 44 50 03.95 (0.1) | 44 50 03.92 | 44 50 05.14 (0.1) | |||||||
| Spectral type | DC: | DC: | DC: | DC | DC | DC | ||||||
| Effective temperature | [K] | 7231.0 | 7016.0 | 7463.0 (96) | 6640.0 (196) | |||||||
| log(g) | [cgs] | 8.35 | 8.27 | 8.00 (0) | 8.14 (0.05) | |||||||
| Mass | [M☉] | 0.815 | 0.745 | 0.661 (0.04) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 2.8580 | 2.6790 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 9.32 (0.2) | 9.26 (0.2) | 9.32 | 9.32 (0.2) | |||||||
| Distance | [pc] | 107.33 (2) | 107.93 (3) | 107.33 | 107.33 (2) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -87.40156373 (0.1) | -87.30265877 (0.3) | -87.402 (0.1) | ||||||||
| Proper motion (declination) | [mas/yr] | -76.48251257 (0.2) | -76.41677549 (0.3) | -76.483 (0.2) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.77 (0.03) | 19.74 (0.03) | 19.77 (0.03) | |||||||||
| g magnitude | 19.18 (0.01) | 19.19 (0.03) | 19.18 (0.01) | |||||||||
| r magnitude | 19.03 (0.01) | 19.05 (0.05) | 19.04 (0.01) | |||||||||
| i magnitude | 18.99 (0.01) | 19.02 (0.07) | 19.00 (0.01) | |||||||||
| z magnitude | 19.04 (0.04) | 19.07 (0.04) | 19.06 (0.04) | |||||||||
| G magnitude | 19.00 (0.02) | 19.03 | 19.00 | 19.00 (0.003) | ||||||||
| BP magnitude | 19.23 (0.02) | 19.22 | ||||||||||
| RP magnitude | 18.69 (0.02) | 18.69 | ||||||||||
| Pan g magnitude | 19.17 (0.01) | |||||||||||
| Pan r magnitude | 19.00 (0.005) | |||||||||||
| Pan i magnitude | 19.01 (0.007) | |||||||||||
| Pan z magnitude | 19.07 (0.01) | |||||||||||
| Pan y magnitude | 19.07 (0.1) | |||||||||||
| E(B-V) | 0.007 | |||||||||||
* Constant surface field
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