SDSS J000354.71+255459.5
All names: SDSS J000354.71+255459.56, GALEX J000354.7+255500, SDSSJ000354.71+255459.56, SDSS J000354.71+255459.5, Gaia DR3 2853226523686020736, Gaia DR2 2853226523686020736, Gaia EDR3 2853226523686020736
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 03 54.71 (0.3) | 00 03 54.71 | 00 03 54.71 | 00 03 54.71 (0.4) | 00 03 54.71 (0.3) | ||||||
| Declination | 25 54 59.56 (0.2) | 25 54 59.51 | 25 54 59.56 | 25 54 59.56 (0.2) | 25 54 59.58 (0.2) | ||||||
| Spectral type | sdB | sdB | sdB | sdB | sdB | ||||||
| Effective temperature | [K] | 30499.0 (507) | 17357.0 | 22439.0 | 30499.0 (507) | ||||||
| log(g) | [cgs] | 5.28 (0.1) | 5.90 | 5.90 | 5.28 (0.1) | ||||||
| Mass | [M☉] | 0.141 | 0.106 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 0.73 (0.4) | 0.36 (0.5) | 0.36 (0.5) | 0.73 (0.4) | ||||||
| Distance | [pc] | 1365.21 (740) | 2809.78 (4117) | 2809.69 (4117) | 1365.19 (740) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 1.189970869 (0.4) | 0.099 (0.8) | 0.099087156 (0.8) | 1.19 (0.4) | ||||||
| Proper motion (declination) | [mas/yr] | -1.402346886 (0.3) | -2.094 (0.4) | -2.0936533 (0.4) | -1.402 (0.3) | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.19 (0.03) | 19.20 (0.03) | 19.19 (0.03) | 19.19 (0.03) | |||||||
| g magnitude | 19.41 (0.01) | 19.40 (0.01) | 19.43 (0.02) | 19.43 (0.02) | |||||||
| r magnitude | 19.86 (0.02) | 19.86 (0.02) | 19.91 (0.03) | 19.91 (0.03) | |||||||
| i magnitude | 20.05 (0.04) | 20.05 (0.04) | 20.09 (0.04) | 20.09 (0.04) | |||||||
| z magnitude | 20.49 (0.2) | 20.48 (0.2) | 20.48 (0.2) | 20.48 (0.2) | |||||||
| G magnitude | 19.63 (0.03) | 19.69 (0.004) | 19.69 | 19.63 (0.004) | |||||||
| BP magnitude | 19.63 (0.03) | 19.54 (0.03) | 19.54 | ||||||||
| RP magnitude | 19.72 (0.06) | 19.91 (0.06) | 19.91 | ||||||||
| Pan g magnitude | 19.48 (0.01) | 19.48 (0.01) | |||||||||
| Pan r magnitude | 19.86 (0.02) | 19.86 (0.02) | |||||||||
| Pan i magnitude | 20.17 (0.02) | 20.17 (0.02) | |||||||||
| Pan z magnitude | 20.36 (0.05) | 20.36 (0.04) | |||||||||
| Pan y magnitude | 20.20 (0.2) | 20.20 (0.2) | |||||||||
| E(B-V) | 0.057 | ||||||||||
* Constant surface field
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