SDSS J000901.52+200241.9
All names: SDSS J000901.52+200241.8, GALEX J000901.4+200243, Gaia DR2 2798513725575885312, SDSS J000901.52+200241.92, SDSS J000901.52+200241.9, Gaia DR3 2798513725575885312, Gaia EDR3 2798513725575885312
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2016 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 09 01.52 (0.2) | 00 09 01.52 | 00 09 01.52 (0.4) | 00 09 01.52 | 00 09 01.54 (0.2) | |||||||
| Declination | 20 02 41.68 (0.2) | 20 02 41.90 | 20 02 41.69 (0.4) | 20 02 41.68 | 20 02 42.07 (0.2) | |||||||
| Spectral type | sdB | sdB | sdB | DA | DA | DA | ||||||
| Effective temperature | [K] | 7419.0 | 7195.0 | 31707.0 (420) | 7628.0 (237) | |||||||
| log(g) | [cgs] | 7.90 | 7.81 | 6.74 (0.08) | 7.96 (0.08) | |||||||
| Mass | [M☉] | 0.537 | 0.466 | 0.57 (0.07) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 1.1420 | 1.1390 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 5.96 (0.3) | 6.02 (0.5) | 5.96 | 5.96 (0.3) | |||||||
| Distance | [pc] | 167.92 (8) | 166.18 (14) | 167.92 | 167.92 (8) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -13.16854899 (0.3) | -13.10631128 (0.9) | -13.169 (0.3) | ||||||||
| Proper motion (declination) | [mas/yr] | -24.79797339 (0.4) | -24.45911892 (0.6) | -24.798 (0.4) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.78 (0.05) | 19.82 (0.05) | 19.78 (0.05) | |||||||||
| g magnitude | 19.34 (0.01) | 19.39 (0.02) | 19.34 (0.01) | |||||||||
| r magnitude | 19.20 (0.02) | 19.25 (0.03) | 19.21 (0.02) | |||||||||
| i magnitude | 19.26 (0.02) | 19.32 (0.03) | 19.26 (0.02) | |||||||||
| z magnitude | 19.24 (0.07) | 19.31 (0.07) | 19.23 (0.07) | |||||||||
| G magnitude | 19.21 (0.03) | 19.26 | 19.21 | 19.21 (0.004) | ||||||||
| BP magnitude | 19.42 (0.03) | 19.36 | ||||||||||
| RP magnitude | 18.93 (0.04) | 18.95 | ||||||||||
| Pan g magnitude | 19.32 (0.02) | |||||||||||
| Pan r magnitude | 19.24 (0.009) | |||||||||||
| Pan i magnitude | 19.26 (0.01) | |||||||||||
| Pan z magnitude | 19.27 (0.02) | |||||||||||
| Pan y magnitude | 19.27 (0.04) | |||||||||||
| E(B-V) | 0.016 | |||||||||||
* Constant surface field
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