NGC 4380 — SABa in Virgo
SABa in Virgo, 3.4 arcminutes across, its light 46 million years old. Measured by HyperLEDA, photographed by Pan-STARRS1. Recorded once.
About NGC 4380
What you are looking at
NGC 4380 is an early-type spiral: a large, bright central bulge wrapped in smooth, tightly wound arms. A weak bar of stars crosses its centre. Its disc is steeply tilted, about 62° from face-on, so it appears as a long oval. From edge to edge its visible disc spans about 45,000 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
It is cited in 279 scientific papers indexed by SIMBAD, and recorded there under 27 different catalogue designations.
When this light set out
Its light has been travelling for about 46 million years. When it left, the planet had come through its hottest interval since the dinosaurs. The galaxy is moving away from us at about 951 km/s (2.1 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
In the sky, NGC 4380 sits within the constellation Virgo. It is best placed on spring evenings: around 9:30 pm in May it stands about 60° high in the south, seen from the middle of the United States.
Its neighbours
It lies in the direction of the Virgo Cluster and at a matching speed, which places it among the cluster’s more than a thousand galaxies, the nearest large cluster to the Milky Way. At almost the same distance from us, and so its neighbours in space as well as on the sky: NGC 4390 (0.5° away on the sky, at least 360,000 light-years from it); NGC 4417 (0.6° away on the sky, at least 450,000 light-years from it); NGC 4316 (0.9° away on the sky, at least 760,000 light-years from it); IC 3371 (1.0° away on the sky, at least 780,000 light-years from it), and 31 more.
By apparent size it is number 403 of the 12,657 galaxies on the Galaxy Origins register.
Measurements
| Catalogue | PGC 40507 |
|---|---|
| Morphological type | SABa |
| Angular diameter | 3.35′ |
| Right ascension | 12h25m22.1s |
| Declination | +10°01′00.5″ |
| Constellation | Virgo |
| Inclination | 61.9° |
| Light travel time | 46 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 3.4 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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