NGC 3936 — SBbc in Hydra
SBbc in Hydra, 3.9 arcminutes across, its light 97 million years old. Measured by HyperLEDA, photographed by Pan-STARRS1. Recorded once.
About NGC 3936
What you are looking at
NGC 3936 is a spiral of the same broad class astronomers give the Milky Way: a moderate bulge and clearly drawn arms. A bar of stars runs straight across its centre, as one does across the centre of 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 109,000 light-years, close to the width of the Milky Way.
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 89 scientific papers indexed by SIMBAD, and recorded there under 20 different catalogue designations.
When this light set out
What a telescope records of NGC 3936 is light that left it about 97 million years ago; on Earth, dinosaurs were at their peak. The galaxy is moving away from us at about 2,018 km/s (4.5 million mph), carried by the expansion of the universe.
Finding it in the sky
NGC 3936 lies in Hydra. It is best placed on spring evenings: around 9:30 pm in April it stands about 23° 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 3885 (1.6° away on the sky, at least 2,690,000 light-years from it).
By apparent size it is number 260 of the 12,657 galaxies on the Galaxy Origins register.
Measurements
| Catalogue | PGC 37178 |
|---|---|
| Morphological type | SBbc |
| Angular diameter | 3.87′ |
| Right ascension | 11h52m20.6s |
| Declination | -26°54′21.1″ |
| Constellation | Hydra |
| Inclination | 90.0° |
| Light travel time | 97 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 3.9 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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