NGC 7513 — SBb in Sculptor
SBb in Sculptor, 3.2 arcminutes across, its light 75 million years old. Measured by HyperLEDA, photographed by Pan-STARRS1. Recorded once.
About NGC 7513
What you are looking at
NGC 7513 is a spiral with a sizeable central bulge and well-defined arms, close in type to the Milky Way. A bar of stars runs straight across its centre, as one does across the centre of the Milky Way. It is tilted about 56° to our line of sight, enough to show both the shape of its arms and the depth of its disc. From edge to edge its visible disc spans about 69,000 light-years, about 71% of the Milky Way’s width.
What astronomers have recorded
SIMBAD, the reference database astronomers use, classes it as an emission-line galaxy: its spectrum shows the glow of gas lit by young stars. It is cited in 96 scientific papers indexed by SIMBAD, and recorded there under 17 different catalogue designations.
When this light set out
Its light has been travelling for about 75 million years. When it left, dinosaurs were at their peak. The galaxy is moving away from us at about 1,564 km/s (3.5 million mph), carried by the expansion of the universe.
Finding it in the sky
NGC 7513 lies in Sculptor. It is best placed on autumn evenings: around 9:30 pm in October it stands about 22° high in the south, seen from the middle of the United States.
By apparent size it is number 458 of the 12,657 galaxies on the Galaxy Origins register.
Measurements
| Catalogue | PGC 70714 |
|---|---|
| Morphological type | SBb |
| Angular diameter | 3.18′ |
| Right ascension | 23h13m14.0s |
| Declination | -28°21′27.1″ |
| Constellation | Sculptor |
| Inclination | 55.5° |
| Light travel time | 75 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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