NGC 7541 — SBc in Pisces
SBc in Pisces, 3.0 arcminutes across, its light 128 million years old. Measured by HyperLEDA, photographed by Pan-STARRS1. Recorded once.
About NGC 7541
What you are looking at
NGC 7541 is a late-type spiral: a small central bulge and open, loosely wound arms full of young stars and star-forming gas. 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 75° from face-on, so it appears as a long oval. From edge to edge its visible disc spans about 113,000 light-years, close to the width of the Milky Way.
What astronomers have recorded
SIMBAD, the reference database astronomers use, classes it as a member of a group of galaxies. Two supernovae have been recorded in it, the first in 1998; the most recent include SN 1998dh, SN 2017jmk. It is cited in 337 scientific papers indexed by SIMBAD, and recorded there under 36 different catalogue designations.
When this light set out
Its light has been travelling for about 128 million years. When it left, the first flowering plants had appeared. The galaxy is moving away from us at about 2,680 km/s (6.0 million mph), carried by the expansion of the universe.
Finding it in the sky
In the sky, NGC 7541 sits within the constellation Pisces. It is best placed on autumn evenings: around 9:30 pm in October it stands about 55° 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 7537 (3′ away on the sky, at least 120,000 light-years from it).
By apparent size it is number 509 of the 12,657 galaxies on the Galaxy Origins register.
Measurements
| Catalogue | PGC 70795 |
|---|---|
| Morphological type | SBc |
| Angular diameter | 3.03′ |
| Right ascension | 23h14m43.9s |
| Declination | +04°32′02.4″ |
| Constellation | Pisces |
| Inclination | 74.8° |
| Light travel time | 128 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 3.0 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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