42-Her (Star)
Color-magnitude diagram
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Cambridge , 42-Her is visible in both the dusk and dawn skies. In the evening, it will become visible at around 17:27 (EST), 37° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 19:40 when it dips 19° above your north-western horizon. At 04:56, it will return to an altitude of 19° above your north-eastern horizon, and reach an altitude of 23° before fading from view as dawn breaks at around 05:29.
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|
Name
42-Her
|
Object type
Star
|
Other names
Position
| Right ascension: | 16h38m44s [4] |
| Declination: | +48°55'42" [4] |
| Constellation: | Hercules |
| Magnitude: Variable | 4.90 (V) [2] 6.95 (BT) [2] 5.07 (VT) [2] 4.02 (G) [4] 5.14 (BP) [4] 2.99 (RP) [4] |
| Distance: | 129.4 parsec 421.8 lightyrs [4] |
| B-V Color (mag): | 1.60 |
| Proper motion (speed): | 54.8 mas/yr[4] |
| Proper motion (pos ang): | 298.7° |
Derived quantities
| Absolute mag (V): | -0.66 |
Visibility from Cambridge
All times shown in Cambridge local time.