NGC 3692 — Sb in Leo
Sb in Leo, 3.2 arcminutes across, its light 82 million years old. Measured by HyperLEDA, photographed by Pan-STARRS1. Recorded once.
About NGC 3692
What you are looking at
NGC 3692 is a spiral with a sizeable central bulge and well-defined arms, close in type to the Milky Way. We see it almost exactly edge-on, so its whole disc appears as one thin band of light, with dust showing as a dark line along its length. From edge to edge its visible disc spans about 77,000 light-years, about 78% of the Milky Way’s width.
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. It is cited in 129 scientific papers indexed by SIMBAD, and recorded there under 21 different catalogue designations.
When this light set out
Its light has been travelling for about 82 million years. When it left, dinosaurs were at their peak. The galaxy is moving away from us at about 1,710 km/s (3.8 million mph), carried by the expansion of the universe.
Finding it in the sky
NGC 3692 lies in Leo. It is best placed on spring evenings: around 9:30 pm in April it stands about 59° 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: IC 718 (2.9° away on the sky, at least 4,120,000 light-years from it); IC 719 (3.0° away on the sky, at least 4,240,000 light-years from it).
By apparent size it is number 440 of the 12,657 galaxies on the Galaxy Origins register.
Measurements
| Catalogue | PGC 35314 |
|---|---|
| Morphological type | Sb |
| Angular diameter | 3.22′ |
| Right ascension | 11h28m24.0s |
| Declination | +09°24′27.6″ |
| Constellation | Leo |
| Inclination | 90.0° |
| Light travel time | 82 million years |
| Bar | not recorded |
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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