Astronomy and Space

Delta Herculis

Delta Herculis (δ Herculis, abbreviated Delta Her, δ Her) is a spectroscopic binary in the constellation of Hercules. Its light produces to us apparent magnitude 3.12, as such the third-brightest star in the large, fairly dim constellation. Based on parallax measurement taken during the Hipparcos mission, it is approximately 23.1 parsecs (75 light-years) from the Sun.

Also on this shelf

See also

• ▸1955 in spaceflight
• ▸Degenerate Art exhibition
• ▸Elon Musk

Uncatalogued shelf

Text from Wikipedia; plate via Wikimedia Commons. Text CC BY-SA 4.0; plate freely licensed (see Commons). Source record. Images and catalogue data are reproduced from open-access collections.