SDSS J161643.69-002401.5
All names: Gaia DR2 4408047913683407872, SDSSJ161643.69-002401.4, SDSS J161643.69-002401.4, Gaia DR3 4408047913691104640, SDSS J161643.69-002401.5, GALEX J161643.6-002401, SDSS J161643.70-002401.5, Gaia EDR3 4408047913691104640
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Harris et al. 2003 | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 16 43.70 (0.2) | 16 16 43.70 | 16 16 43.70 | 16 16 43.70 (0.3) | 16 16 43.70 (0.2) | 16 16 43.70 | ||||||
| Declination | -00 24 01.57 (0.1) | -00 24 01.49 | -00 24 01.48 | -00 24 01.57 (0.2) | -00 24 01.54 (0.1) | -00 24 01.52 | ||||||
| Spectral type | sdB | sdB-He | sdB-He | sdB-He | sdBHe | SDB | ||||||
| Effective temperature | [K] | 21405.0 | 26357.0 | 35568.0 (778) | ||||||||
| log(g) | [cgs] | 6.76 | 6.95 | 5.22 (0.1) | ||||||||
| Mass | [M☉] | 0.223 | 0.261 | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | |||||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 0.40 (0.2) | 0.99 (0.3) | 0.99 (0.3) | 0.40 (0.2) | |||||||
| Distance | [pc] | 2530.58 (1209) | 1009.39 (293) | 1009.35 (293) | 2530.36 (1208) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -1.870245899 (0.2) | -2.671 (0.9) | -2.671210734 (0.9) | -1.87 (0.2) | -1.4 | ||||||
| Proper motion (declination) | [mas/yr] | -1.707332919 (0.1) | -1.69 (0.5) | -1.690269527 (0.5) | -1.707 (0.1) | -5.8 | ||||||
| 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 (0.01) | 18.25 (0.01) | 18.28 | 18.26 (0.01) | 18.27 (0.02) | |||||||
| g magnitude | 18.47 (0.007) | 18.47 (0.007) | 18.52 | 18.48 (0.007) | 18.52 (0.01) | |||||||
| r magnitude | 18.98 (0.01) | 18.98 (0.01) | 19.02 | 18.98 (0.01) | 19.02 (0.02) | |||||||
| i magnitude | 19.20 (0.01) | 19.20 (0.01) | 19.21 | 19.20 (0.01) | 19.22 (0.02) | |||||||
| z magnitude | 19.56 (0.06) | 19.56 (0.06) | 19.54 | 19.52 (0.06) | 19.55 (0.06) | |||||||
| G magnitude | 18.72 (0.02) | 18.74 (0.003) | 18.74 | 18.72 (0.003) | ||||||||
| BP magnitude | 18.62 (0.02) | 18.62 (0.05) | 18.62 | |||||||||
| RP magnitude | 19.00 (0.05) | 18.95 (0.03) | 18.95 | |||||||||
| Pan g magnitude | 18.55 (0.009) | 18.55 (0.009) | ||||||||||
| Pan r magnitude | 18.92 (0.005) | 18.92 (0.005) | ||||||||||
| Pan i magnitude | 19.27 (0.008) | 19.27 (0.008) | ||||||||||
| Pan z magnitude | 19.52 (0.03) | 19.52 (0.03) | ||||||||||
| Pan y magnitude | 19.70 (0.03) | 19.70 (0.03) | ||||||||||
| E(B-V) | 0.105 | |||||||||||
* Constant surface field
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