Map of the Universe
NGC 7789
Open star cluster · Open star cluster in the constellation Cassiopeia
About NGC 7789
NGC 7789 is about 6,420 light-years from the Sun, so the light we see from it left about 6,420 years ago.
It is 30,309 light-years from the centre of the Milky Way.
The map lists it as an open star cluster and shows it among the stars around the Sun, drawn on the plane of the Milky Way.
Key numbers
| Distance | 6,420 light-years (1,969 pc) |
|---|---|
| Distance from the Galactic centre | 30,309 light-years |
| Galactic coordinates | l = 115.52°, b = -5.37° |
| Member stars (Gaia) | 4,125 |
| Age | 1.57 billion years |
| Mass (observed) | 17,849 solar masses |
| Half-member radius | 14.8 light-years |
Data: Hunt & Reffert 2024.
Where it is
Its place in the universe, from the inside out: Milky Way › Local Group › Virgo Supercluster › Laniakea Supercluster › Observable universe.
Zoom out to see it in context: Local Arm, a view about 12,000 light-years across.
From Wikipedia
NGC 7789 (also known as Caroline's Rose, Caroline's Haystack, or the White Rose Cluster) is an open cluster located around 7,600 light years from Earth in the constellation of Cassiopeia. It is intermediate-age cluster with estimates ranging from 1.4 to 1.7 billion years old.
Excerpt from the Wikipedia article NGC 7789, licensed CC BY-SA 4.0.
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