Gaia DR2 1977906588137089024
All names: SDSS J214931.54+483915.6, Gaia DR2 1977906588137089024, WDJ214931.62+483918.08, SDSS J214931.54+483915.5, Gaia EDR3 1977906588137089024, WDJ214931.62+483918.07, Gaia DR3 1977906588137089024
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 49 31.42 (0.2) | 21 49 31.43 | 21 49 31.42 | 21 49 31.62 (0.2) | 21 49 31.43 | |||||
| Declination | 48 39 11.59 (0.2) | 48 39 11.80 | 48 39 11.59 | 48 39 18.07 (0.2) | 48 39 11.80 | |||||
| Spectral type | DA: | DA | ||||||||
| Effective temperature | [K] | 4538.0 | 4224.0 | 4589.0 (96) | ||||||
| log(g) | [cgs] | 7.86 | 7.61 | 7.90 (0.05) | ||||||
| Mass | [M☉] | 0.498 | 0.36 | 0.52 (0.04) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 6.0240 | 4.1860 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 16.04 (0.2) | 15.90 (0.3) | 16.04 | 16.04 (0.2) | 15.90 (0.3) | ||||
| Distance | [pc] | 62.36 (0.8) | 62.89 (1) | 62.36 | 62.36 (0.8) | 62.89 (1) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -121.1240897 (0.2) | -121.4167887 (0.4) | -121.124 (0.2) | -121.4167887 | |||||
| Proper motion (declination) | [mas/yr] | -405.0629551 (0.2) | -405.1438967 (0.5) | -405.063 (0.2) | -405.1438967 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 22.07 (0.2) | 22.07 (0.2) | ||||||||
| g magnitude | 20.08 (0.02) | 20.08 (0.02) | ||||||||
| r magnitude | 19.04 (0.01) | 19.04 (0.01) | ||||||||
| i magnitude | 18.76 (0.01) | 18.76 (0.01) | ||||||||
| z magnitude | 18.58 (0.03) | 18.58 (0.03) | ||||||||
| G magnitude | 19.13 (0.04) | 19.17 | 19.13 | 19.13 (0.004) | 19.17 | |||||
| BP magnitude | 19.75 (0.04) | 19.70 | 19.70 | |||||||
| RP magnitude | 18.47 (0.02) | 18.40 | 18.40 | |||||||
| Pan g magnitude | 19.91 (0.01) | |||||||||
| Pan r magnitude | 19.08 (0.01) | |||||||||
| Pan i magnitude | 18.78 (0.008) | |||||||||
| Pan z magnitude | 18.66 (0.01) | |||||||||
| Pan y magnitude | 18.64 (0.08) | |||||||||
| E(B-V) | 0.005 | |||||||||
* Constant surface field
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