SDSS J122440.34+450604.9
All names: SDSS J122440.34+450604.91, Gaia DR2 1541733795718661760, Gaia DR3 1541733795718661760, Gaia EDR3 1541733795718661760, SDSS J122440.34+450604.9
| 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 24 40.38 (0.2) | 12 24 40.34 | 12 24 40.38 (0.3) | 12 24 40.34 (0.2) | |||||||
| Declination | 45 06 04.87 (0.3) | 45 06 04.91 | 45 06 04.87 (0.3) | 45 06 04.87 (0.3) | |||||||
| Spectral type | DC: | DC: | DC: | DC | DC | ||||||
| Effective temperature | [K] | 6928.0 | 6711.0 | 7417.0 (131) | |||||||
| log(g) | [cgs] | 8.13 | 8.03 | 8.00 (0) | |||||||
| Mass | [M☉] | 0.673 | 0.595 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.9240 | 1.8200 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 5.41 (0.4) | 5.58 (0.5) | 5.41 (0.4) | |||||||
| Distance | [pc] | 184.85 (14) | 179.16 (15) | 184.85 (14) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 28.83366011 (0.3) | 29.31798452 (0.5) | 28.834 (0.3) | |||||||
| Proper motion (declination) | [mas/yr] | 0.426323208 (0.3) | -0.126013823 (0.6) | 0.426 (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 | 20.68 (0.06) | 20.65 (0.05) | 20.69 (0.06) | ||||||||
| g magnitude | 20.06 (0.02) | 20.03 (0.1) | 20.06 (0.02) | ||||||||
| r magnitude | 19.93 (0.02) | 19.94 (0.02) | 19.93 (0.02) | ||||||||
| i magnitude | 19.87 (0.02) | 19.88 (0.03) | 19.88 (0.02) | ||||||||
| z magnitude | 19.85 (0.08) | 19.91 (0.07) | 19.87 (0.08) | ||||||||
| G magnitude | 19.92 (0.04) | 19.97 | 19.92 (0.004) | ||||||||
| BP magnitude | 20.11 (0.04) | 19.98 | |||||||||
| RP magnitude | 19.54 (0.08) | 19.29 | |||||||||
| Pan g magnitude | 20.12 (0.02) | ||||||||||
| Pan r magnitude | 19.92 (0.01) | ||||||||||
| Pan i magnitude | 19.91 (0.01) | ||||||||||
| Pan z magnitude | 19.98 (0.03) | ||||||||||
| Pan y magnitude | 19.94 (0.04) | ||||||||||
| E(B-V) | 0.010 | ||||||||||
* Constant surface field
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