SDSS J002127.93+182330.1
All names: Gaia DR2 2794267617828358912, Gaia EDR3 2794267617828358912, Gaia DR3 2794267617828358912, SDSS J002127.93+182330.1, SDSS J002127.93+182330.15, SDSS J002127.92+182330.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 21 27.94 (1) | 00 21 27.93 | 00 21 27.94 (2) | 00 21 27.91 (1) | ||||||
| Declination | 18 23 30.13 (0.6) | 18 23 30.15 | 18 23 30.13 (2) | 18 23 30.09 (0.6) | ||||||
| Spectral type | DC: | DC: | DC | DC | ||||||
| Effective temperature | [K] | 6259.0 | 7945.0 (320) | |||||||
| log(g) | [cgs] | 6.48 | 8.00 (0) | |||||||
| Mass | [M☉] | 0.087 | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 2.26 (1) | 2.03 (2) | 2.26 (1) | ||||||
| Distance | [pc] | 441.59 (226) | 493.72 (415) | 441.58 (226) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 24.55795522 (2) | 18.80276579 (4) | 24.558 (2) | ||||||
| Proper motion (declination) | [mas/yr] | 2.348456214 (1) | -0.517684162 (3) | 2.348 (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 | 21.33 (0.2) | 21.26 (0.2) | 21.26 (0.2) | |||||||
| g magnitude | 20.84 (0.04) | 20.84 (0.05) | 20.84 (0.04) | |||||||
| r magnitude | 20.74 (0.05) | 20.73 (0.05) | 20.74 (0.04) | |||||||
| i magnitude | 20.64 (0.06) | 20.62 (0.06) | 20.62 (0.06) | |||||||
| z magnitude | 20.45 (0.2) | 20.42 (0.2) | 20.42 (0.2) | |||||||
| G magnitude | 20.68 (0.09) | 20.76 | 20.68 (0.009) | |||||||
| BP magnitude | 20.63 (0.09) | 20.68 | ||||||||
| RP magnitude | 19.87 (0.1) | 20.38 | ||||||||
| Pan g magnitude | 20.83 (0.02) | |||||||||
| Pan r magnitude | 20.69 (0.02) | |||||||||
| Pan i magnitude | 20.62 (0.03) | |||||||||
| Pan z magnitude | 20.78 (0.1) | |||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.051 | |||||||||
* Constant surface field
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