The star HR 8166
Color-magnitude diagram
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Cambridge , HR 8166 is visible in the dawn sky, rising at 23:41 (EDT) – 6 hours and 16 minutes before the Sun – and reaching an altitude of 47° above the eastern horizon before fading from view as dawn breaks at around 04:44.
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|
Name
HR 8166
|
Object Type
Star
|
Position
| Constellation: | Cygnus |
| Magnitude: | 7.06 (V)[2] 8.14 (BT)[2] 7.15 (VT)[2] |
| B-V Color (mag): | 0.84 |
| Right Ascension: | 21h20m50s [2] |
| Declination: | +32°27'08" [2] |
| Distance: | 73.3 parsec 238.8 lightyrs [1] |
| Proper motion (speed): | 74.0 mas/yr [1] |
| Proper motion (pos ang): | 127.6° |
Derived Quantities
| Absolute Mag (V): | 2.74 |