NGC 5775 — SBc in Virgo
SBc in Virgo, 3.7 arcminutes across, its light 80 million years old. Measured by HyperLEDA, photographed by Pan-STARRS1. Recorded once.
About NGC 5775
NGC 5775 is an edge-on spiral interacting with its neighbour NGC 5774. Its disc gives off filaments of hot gas rising high above it.
What you are looking at
NGC 5775 is a late-type spiral: a small central bulge and open, loosely wound arms full of young stars and star-forming gas. A bar of stars runs straight across its centre, as one does across the centre of the Milky Way. Its disc is turned almost exactly side-on to us: the galaxy appears as a narrow blade of light, and its dust as a dark seam running along it. From edge to edge its visible disc spans about 86,000 light-years, close to the width of the Milky Way.
What astronomers have recorded
SIMBAD, the reference database astronomers use, classes it as a member of a group of galaxies. One supernova has been recorded in it: SN 1996ae. It is cited in 468 scientific papers indexed by SIMBAD, and recorded there under 34 different catalogue designations.
When this light set out
The light that reaches us from NGC 5775 today set out about 80 million years ago, when dinosaurs were at their peak. The galaxy is moving away from us at about 1,675 km/s (3.7 million mph), carried by the expansion of the universe.
Finding it in the sky
In the sky, NGC 5775 sits within the constellation Virgo. It is best placed on summer evenings: around 9:30 pm in June it stands about 54° 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 5774 (4′ away on the sky, at least 100,000 light-years from it); IC 1067 (0.3° away on the sky, at least 430,000 light-years from it); IC 1066 (0.3° away on the sky, at least 470,000 light-years from it); NGC 5770 (0.5° away on the sky, at least 630,000 light-years from it), and 3 more.
By apparent size it is number 296 of the 12,657 galaxies on the Galaxy Origins register.
Measurements
| Catalogue | PGC 53247 |
|---|---|
| Morphological type | SBc |
| Angular diameter | 3.70′ |
| Right ascension | 14h53m57.6s |
| Declination | +03°32′39.3″ |
| Constellation | Virgo |
| Inclination | 83.4° |
| Light travel time | 80 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 3.7 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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