SDSS J022741.29-034825.8
All names: GALEX J022741.2-034825, Gaia DR3 2490139643568328832, Gaia DR2 2490139643568328832, UDXS J022741.29-034825.6, Gaia EDR3 2490139643568328832, SDSS J022741.29-034825.8, SDSS J022741.29-034825.83
| 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 | 02 27 41.31 (0.7) | 02 27 41.29 | 02 27 41.31 (0.7) | 02 27 41.28 (0.7) | |||||||
| Declination | -03 48 26.04 (0.6) | -03 48 25.84 | -03 48 26.03 (0.9) | -03 48 25.55 (0.6) | |||||||
| Spectral type | DC: | DC: | DC: | DC | DC | ||||||
| Effective temperature | [K] | 6885.0 | 6730.0 | 7996.0 (267) | |||||||
| log(g) | [cgs] | 7.71 | 7.62 | 8.00 (0) | |||||||
| Mass | [M☉] | 0.432 | 0.374 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.0780 | 1.0800 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 3.36 (0.7) | 3.42 (0.8) | 3.36 (0.7) | |||||||
| Distance | [pc] | 297.29 (64) | 292.41 (65) | 297.29 (64) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 33.80220198 (1) | 32.43835226 (2) | 33.802 (1) | |||||||
| Proper motion (declination) | [mas/yr] | -30.91292271 (1) | -33.08290314 (2) | -30.913 (1) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | 19.79 (0.08) | ||||||||||
| u magnitude | 20.94 (0.1) | 20.96 (0.1) | 20.94 (0.1) | ||||||||
| g magnitude | 20.54 (0.03) | 20.63 (0.05) | 20.55 (0.03) | ||||||||
| r magnitude | 20.36 (0.03) | 20.45 (0.03) | 20.36 (0.03) | ||||||||
| i magnitude | 20.39 (0.05) | 20.44 (0.05) | 20.39 (0.05) | ||||||||
| z magnitude | 20.46 (0.2) | 20.43 (0.1) | 20.46 (0.2) | ||||||||
| G magnitude | 20.45 (0.1) | 20.51 | 20.45 (0.009) | ||||||||
| BP magnitude | 20.77 (0.1) | 20.60 | |||||||||
| RP magnitude | 20.18 (0.2) | 19.99 | |||||||||
| Pan g magnitude | 20.51 (0.03) | ||||||||||
| Pan r magnitude | 20.49 (0.02) | ||||||||||
| Pan i magnitude | 20.46 (0.02) | ||||||||||
| Pan z magnitude | 20.53 (0.04) | ||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.026 | ||||||||||
* Constant surface field
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