NGC 2713 — SBb in Hydra
SBb in Hydra, 3.4 arcminutes across, its light 186 million years old. Measured by HyperLEDA, photographed by Pan-STARRS1. Recorded once.
About NGC 2713
What you are looking at
NGC 2713 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. Its disc is steeply tilted, about 78° from face-on, so it appears as a long oval. From edge to edge its visible disc spans about 181,000 light-years, about 1.9 times the width of the Milky Way.
What astronomers have recorded
SIMBAD, the reference database astronomers use, classes it as a Seyfert galaxy: its nucleus is lit by gas falling into its central black hole. One supernova has been recorded in it: SN 1968E. It is cited in 123 scientific papers indexed by SIMBAD, and recorded there under 23 different catalogue designations.
When this light set out
The light that reaches us from NGC 2713 today set out about 186 million years ago, when dinosaurs had begun to dominate. The galaxy is moving away from us at about 3,900 km/s (8.7 million mph), carried by the expansion of the universe.
Finding it in the sky
In the sky, NGC 2713 sits within the constellation Hydra. It is best placed on spring evenings: around 9:30 pm in March it stands about 53° 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 2716 (0.2° away on the sky, at least 580,000 light-years from it); NGC 2723 (0.8° away on the sky, at least 2,480,000 light-years from it); NGC 2729 (1.3° away on the sky, at least 4,220,000 light-years from it); NGC 2765 (2.6° away on the sky, at least 8,420,000 light-years from it).
By apparent size it is number 393 of the 12,657 galaxies on the Galaxy Origins register.
Measurements
| Catalogue | PGC 25161 |
|---|---|
| Morphological type | SBb |
| Angular diameter | 3.37′ |
| Right ascension | 08h57m20.5s |
| Declination | +02°55′16.8″ |
| Constellation | Hydra |
| Inclination | 77.7° |
| Light travel time | 186 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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