SDSS J122544.47+304832.0
All names: Gaia DR2 4015102141751991680, Gaia DR3 4015102141751991680, GALEX J122544.6+304832, SDSS J122544.47+304832.03, SDSS J122544.47+304832.0, Gaia EDR3 4015102141751991680
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 25 44.45 (0.6) | 12 25 44.48 | 12 25 44.45 (0.8) | 12 25 44.49 (0.6) | |||||||
| Declination | 30 48 32.26 (0.9) | 30 48 32.02 | 30 48 32.25 (0.8) | 30 48 32.10 (0.9) | |||||||
| Spectral type | DC: | DC: | DC: | DC | DC | ||||||
| Effective temperature | [K] | 7609.0 | 7386.0 | 7818.0 (204) | |||||||
| log(g) | [cgs] | 7.97 | 7.89 | 8.00 (0) | |||||||
| Mass | [M☉] | 0.578 | 0.511 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.1820 | 1.1800 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 4.99 (0.9) | 3.33 (1) | 4.99 (0.9) | |||||||
| Distance | [pc] | 200.26 (35) | 300.67 (97) | 200.26 (35) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -34.2737212 (0.9) | -31.93296581 (2) | -34.274 (0.9) | |||||||
| Proper motion (declination) | [mas/yr] | 9.836597558 (1) | 9.780239921 (2) | 9.837 (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 | 21.27 (0.09) | 21.22 (0.09) | 21.22 (0.09) | ||||||||
| g magnitude | 20.60 (0.02) | 20.63 (0.03) | 20.63 (0.03) | ||||||||
| r magnitude | 20.48 (0.03) | 20.52 (0.04) | 20.52 (0.04) | ||||||||
| i magnitude | 20.49 (0.05) | 20.50 (0.05) | 20.50 (0.05) | ||||||||
| z magnitude | 20.52 (0.2) | 20.53 (0.2) | 20.53 (0.2) | ||||||||
| G magnitude | 20.48 (0.1) | 20.55 | 20.48 (0.008) | ||||||||
| BP magnitude | 20.66 (0.1) | ||||||||||
| RP magnitude | 20.10 (0.08) | ||||||||||
| Pan g magnitude | 20.63 (0.04) | ||||||||||
| Pan r magnitude | 20.52 (0.02) | ||||||||||
| Pan i magnitude | 20.50 (0.02) | ||||||||||
| Pan z magnitude | 20.70 (0.05) | ||||||||||
| Pan y magnitude | 20.59 (0.2) | ||||||||||
| E(B-V) | 0.009 | ||||||||||
* Constant surface field
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