SDSS J002137.89+221510.3
All names: SDSS J002137.89+221510.33, SDSS J002137.89+221510.3, Gaia EDR3 2800694813048526592, SDSS J002137.88+221510.3, Gaia DR3 2800694813048526592, Gaia DR2 2800694813048526592
| 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 | 00 21 37.92 (0.7) | 00 21 37.88 | 00 21 37.92 (1) | 00 21 37.84 (0.7) | |||||||
| Declination | 22 15 10.52 (0.6) | 22 15 10.32 | 22 15 10.52 (2) | 22 15 10.13 (0.6) | |||||||
| Spectral type | DC: | DC: | DC: | DC | DC | ||||||
| Effective temperature | [K] | 6698.0 | 6529.0 | 7824.0 (383) | |||||||
| log(g) | [cgs] | 7.83 | 7.74 | 8.00 (0) | |||||||
| Mass | [M☉] | 0.493 | 0.428 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.3330 | 1.3330 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 4.53 (1) | 3.50 (1) | 4.53 (1) | |||||||
| Distance | [pc] | 220.68 (46) | 285.87 (106) | 220.68 (46) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 65.36675372 (1) | 62.75363366 (3) | 65.367 (1) | |||||||
| Proper motion (declination) | [mas/yr] | 24.46832461 (1) | 19.5529207 (3) | 24.468 (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 | 21.62 (0.2) | 21.50 (0.2) | 21.50 (0.2) | ||||||||
| g magnitude | 20.90 (0.05) | 20.92 (0.05) | 20.91 (0.05) | ||||||||
| r magnitude | 20.61 (0.05) | 20.64 (0.05) | 20.61 (0.05) | ||||||||
| i magnitude | 20.75 (0.07) | 20.79 (0.09) | 20.75 (0.07) | ||||||||
| z magnitude | 20.57 (0.3) | 20.59 (0.2) | 20.59 (0.2) | ||||||||
| G magnitude | 20.69 (0.1) | 20.78 | 20.69 (0.008) | ||||||||
| BP magnitude | 20.72 (0.1) | 20.97 | |||||||||
| RP magnitude | 20.48 (0.1) | 20.24 | |||||||||
| Pan g magnitude | 20.88 (0.03) | ||||||||||
| Pan r magnitude | 20.63 (0.02) | ||||||||||
| Pan i magnitude | 20.65 (0.03) | ||||||||||
| Pan z magnitude | 20.62 (0.05) | ||||||||||
| Pan y magnitude | 20.16 (0.2) | ||||||||||
| E(B-V) | 0.028 | ||||||||||
* Constant surface field
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