NGC 7339 — SABb in Pegasus
SABb in Pegasus, 3.2 arcminutes across, its light 64 million years old. Measured by HyperLEDA, photographed by Pan-STARRS1. Recorded once.
About NGC 7339
What you are looking at
NGC 7339 is a spiral with a sizeable central bulge and well-defined arms, close in type to the Milky Way. A weak bar of stars crosses its centre. Its disc is steeply tilted, about 79° from face-on, so it appears as a long oval. From edge to edge its visible disc spans about 60,000 light-years (taking its redshift distance, which for a galaxy this near is approximate), about half the width of the Milky Way.
What astronomers have recorded
One supernova has been recorded in it: SN 1989L. It is cited in 139 scientific papers indexed by SIMBAD, and recorded there under 16 different catalogue designations.
When this light set out
Its light has been travelling for about 64 million years. When it left, an asteroid had ended the age of dinosaurs. The galaxy is moving away from us at about 1,335 km/s (3.0 million mph), carried by the expansion of the universe. For a galaxy this close, its own motion through space is a large share of that speed, so the distance worked out from it is approximate; distances measured from individual stars in it can differ.
Finding it in the sky
NGC 7339 lies in Pegasus. It is best placed on autumn evenings: around 9:30 pm in October it stands about 74° high in the south, seen from the middle of the United States.
Its neighbours
At almost the same distance from us, and so its neighbours in space as well as on the sky: NGC 7332 (5′ away on the sky, at least 100,000 light-years from it).
By apparent size it is number 445 of the 12,657 galaxies on the Galaxy Origins register.
Measurements
| Catalogue | PGC 69364 |
|---|---|
| Morphological type | SABb |
| Angular diameter | 3.21′ |
| Right ascension | 22h37m47.1s |
| Declination | +23°47′12.2″ |
| Constellation | Pegasus |
| Inclination | 78.9° |
| Light travel time | 64 million years |
| Bar | yes, from the catalogue |
Check every figure above in the NASA/IPAC Extragalactic Database
What is sold
A print of this galaxy and the record of the calculation, once. When it sells it leaves the register and is not offered again. We assign no names and no ownership — nobody can sell you those.
At 3.2 arcminutes this is a Exceptional galaxy, which is the tier where a real photograph shows clear structure and dust lanes. The tier comes from the measured diameter, not from a price list.
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