NGC 3495 — SABc in Leo
SABc in Leo, 4.7 arcminutes across, its light 54 million years old. Measured by HyperLEDA, photographed by Pan-STARRS1. Recorded once.
About NGC 3495
What you are looking at
NGC 3495 is a late-type spiral: a small central bulge and open, loosely wound arms full of young stars and star-forming gas. A weak bar of stars crosses its centre. 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 73,000 light-years (taking its redshift distance, which for a galaxy this near is approximate), about 75% of the Milky Way’s width.
What astronomers have recorded
SIMBAD, the reference database astronomers use, classes it as a member of a group of galaxies. It is cited in 162 scientific papers indexed by SIMBAD, and recorded there under 21 different catalogue designations.
When this light set out
The light that reaches us from NGC 3495 today set out about 54 million years ago, when the planet had come through its hottest interval since the dinosaurs. The galaxy is moving away from us at about 1,130 km/s (2.5 million mph), carried by the expansion of the universe. For a galaxy this close, its own motion through space is a large share of that speed, so the distance worked out from it is approximate; distances measured from individual stars in it can differ.
Finding it in the sky
NGC 3495 lies in Leo. It is best placed on spring evenings: around 9:30 pm in April 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: UGC 5974 (2.6° away on the sky, at least 2,460,000 light-years from it).
By apparent size it is number 149 of the 12,657 galaxies on the Galaxy Origins register.
Measurements
| Catalogue | PGC 33234 |
|---|---|
| Morphological type | SABc |
| Angular diameter | 4.66′ |
| Right ascension | 11h01m16.2s |
| Declination | +03°37′41.2″ |
| Constellation | Leo |
| Inclination | 82.5° |
| Light travel time | 54 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 4.7 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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