SDSS J162701.71+284617.6
All names: SDSS J162701.72+284617.6, Gaia DR2 1305872917879870976, SDSS J162701.71+284617.6, Gaia DR3 1305872917879870976, Gaia EDR3 1305872917879870976, GALEX J162701.7+284616, SDSS J162701.72+284617.69
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 27 01.71 (0.2) | 16 27 01.71 | 16 27 01.71 | 16 27 01.71 (0.2) | 16 27 01.71 (0.2) | 16 27 01.72 | |||||
| Declination | 28 46 17.66 (0.2) | 28 46 17.60 | 28 46 17.60 | 28 46 17.66 (0.3) | 28 46 17.67 (0.2) | 28 46 17.69 | |||||
| Spectral type | He-sdO | He-sdO | sdO | SDO | |||||||
| Effective temperature | [K] | 26591.0 | 47547.0 (90) | 77778.0 (9722) | |||||||
| log(g) | [cgs] | 6.22 | 7.01 (0.01) | 5.11 (0.1) | |||||||
| Mass | [M☉] | 0.176 | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 0.30 (0.2) | 0.36 (0.3) | 0.30 (0.2) | |||||||
| Distance | [pc] | 3296.31 (2444) | 2743.36 (2179) | 3295.98 (2443) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -3.100303034 (0.2) | -2.738836806 (0.5) | -3.1 (0.2) | 12.4 | ||||||
| Proper motion (declination) | [mas/yr] | -0.594966619 (0.3) | -0.330385135 (0.6) | -0.595 (0.3) | 5.1 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.72 (0.02) | 18.72 (0.02) | 18.75 (0.03) | 18.72 (0.02) | 18.72 (0.03) | ||||||
| g magnitude | 19.12 (0.009) | 19.12 (0.009) | 19.14 (0.02) | 19.12 (0.009) | 19.14 (0.02) | ||||||
| r magnitude | 19.61 (0.02) | 19.61 (0.02) | 19.60 (0.02) | 19.61 (0.01) | 19.61 (0.03) | ||||||
| i magnitude | 19.94 (0.02) | 19.94 (0.02) | 19.95 (0.02) | 19.94 (0.03) | 19.90 (0.03) | ||||||
| z magnitude | 20.41 (0.1) | 20.41 (0.1) | 20.37 (0.1) | 20.41 (0.1) | 20.48 (0.2) | ||||||
| G magnitude | 19.36 (0.02) | 19.41 | 19.36 (0.004) | ||||||||
| BP magnitude | 19.29 (0.02) | 19.16 | |||||||||
| RP magnitude | 19.67 (0.05) | 19.56 | |||||||||
| Pan g magnitude | 19.18 (0.003) | ||||||||||
| Pan r magnitude | 19.62 (0.01) | ||||||||||
| Pan i magnitude | 19.98 (0.02) | ||||||||||
| Pan z magnitude | 20.19 (0.06) | ||||||||||
| Pan y magnitude | 20.80 (0.3) | ||||||||||
| E(B-V) | 0.026 | ||||||||||
* Constant surface field
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