SDSS J072147.38+322824.1
All names: SDSS J072147.38+322824.1, GALEX J072147.3+322824, WDS J07218+3228A, Gaia EDR3 893134841431510016, ** SLN 9A, Gaia DR2 893134841431510016, Gaia DR3 893134841431510016, SDSS J072147.38+322824.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 21 47.40 (0.1) | 07 21 47.38 | 07 21 47.40 (0.2) | 07 21 47.40 | 07 21 47.37 (0.1) | 07 21 47.38 | ||||||
| Declination | 32 28 23.76 (0.1) | 32 28 24.14 | 32 28 23.78 (0.2) | 32 28 23.76 | 32 28 24.45 (0.1) | 32 28 24.21 | ||||||
| Spectral type | DC | DC | DA: | DC | DC | DA | ||||||
| Effective temperature | [K] | 8991.0 | 8840.0 | 11334.0 (441) | 11148.0 (486) | |||||||
| log(g) | [cgs] | 7.97 | 7.90 | 8.36 (0.05) | 9.15 (0.4) | |||||||
| Mass | [M☉] | 0.582 | 0.519 | 0.827 (0.04) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.7659 | 0.7518 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 7.22 (0.1) | 7.08 (0.2) | 7.22 | 7.22 (0.1) | |||||||
| Distance | [pc] | 138.47 (3) | 141.25 (4) | 138.47 | 138.47 (3) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 24.34089125 (0.2) | 24.58580941 (0.4) | 24.341 (0.2) | ||||||||
| Proper motion (declination) | [mas/yr] | -43.38578544 (0.1) | -43.97930551 (0.4) | -43.386 (0.1) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.25 (0.02) | 18.25 (0.01) | 18.24 (0.03) | |||||||||
| g magnitude | 18.09 (0.006) | 18.09 (0.006) | 18.10 (0.04) | |||||||||
| r magnitude | 18.20 (0.008) | 18.20 (0.008) | 18.22 (0.03) | |||||||||
| i magnitude | 18.33 (0.01) | 18.33 (0.01) | 18.36 (0.04) | |||||||||
| z magnitude | 18.47 (0.03) | 18.47 (0.03) | 18.47 (0.05) | |||||||||
| G magnitude | 18.09 (0.05) | 18.12 | 18.09 | 18.09 (0.003) | ||||||||
| BP magnitude | 18.01 (0.05) | 18.07 | ||||||||||
| RP magnitude | 18.01 (0.04) | 18.04 | ||||||||||
| Pan g magnitude | 18.29 (0.01) | |||||||||||
| Pan r magnitude | 18.31 (0.003) | |||||||||||
| Pan i magnitude | 18.41 (0.007) | |||||||||||
| Pan z magnitude | 18.55 (0.02) | |||||||||||
| Pan y magnitude | 18.61 (0.02) | |||||||||||
| E(B-V) | 0.006 | |||||||||||
* Constant surface field
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