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NGC 806

{{Short description|Spiral galaxy in the constellation Cetus}}

{{Infobox Galaxy

| name = NGC 806

| image = NGC806 - SDSS DR14.jpg

| caption = NGC 806 (SDSS)

| epoch = J2000.0

| constellation name = Cetus

| ra = {{RA|02|03|31.15}}

| dec = {{DEC|-09|56|00.15}}

| z = 0.013156

| h_radial_v = {{nowrap|3944 ± 9 km/s}}

| dist_ly = 166 MlyAn object's distance from Earth can be determined using Hubble's law: v=Ho is Hubble's constant (70±5 (km/s)/Mpc). The relative uncertainty Δd/d divided by the distance is equal to the sum of the relative uncertainties of the velocity and v=Ho

| appmag_b = 14.80

| appmag_v = 14.10

| type = Scd pec? HII

| size_v = 1.2 x 0.4

| names = PGC 7835, MCG -2-6-21

}}

NGC 806 is a spiral galaxy approximately 166 million light-years away from Earth in the constellation Cetus. It was discovered by American astronomer Lewis A. Swift on November 1, 1886 with the 16" refractor at Warner Observatory.

Interaction with galaxy PGC 3100716

Image:NGC 0806 SDSS.jpg (SDSS)]]

NGC 806 and PGC 3100716 form a pair of galaxies in gravitational interaction. These two galaxies are either colliding or are the result of a collision.

PGC 3100716 is a spiral galaxy with an apparent size of 0.09 by 0.08 arcmin. It was not included in the original version of the New General Catalogue, and was later added as NGC 806-2.

See also

References

{{reflist|refs=

{{cite web|title=NASA/IPAC Extragalactic Database|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+806|website=ned.ipac.caltech.edu|access-date=November 29, 2017}}

{{cite web|title=Revised NGC Data for NGC 806|url=http://spider.seds.org/ngc/revngcic.cgi?NGC806|website=spider.seds.org|access-date=December 9, 2017}}

{{cite web|title=Celestial Atlas|url=https://cseligman.com/text/atlas/ngc8.htm#806|website=cseligman.com|access-date=December 2, 2017|archive-url=https://web.archive.org/web/20171119115708/https://cseligman.com/text/atlas/ngc8.htm#806|archive-date=November 19, 2017|url-status=dead}}

{{cite web|title=Data for NGC 806|url=http://www.astronomy-mall.com/Adventures.In.Deep.Space/NGC%201%20-%20999%20(11-30-17).htm|website=www.astronomy-mall.com|access-date=December 9, 2017}}

}}

External links

{{commons category}}

  • {{WikiSky}}
  • [http://spider.seds.org/ngc/revngcic.cgi?NGC806 SEDS]

{{Ngc10}}

{{Catalogs|PGC=7835|NGC=806}}

{{Cetus}}

{{Sky|02|03|31.15||-09|56|00.15|190000000}}

{{DEFAULTSORT:NGC 806}}

Category:Spiral galaxies

Category:Cetus

806

7835

Category:Astronomical objects discovered in 1886

Category:Discoveries by Lewis Swift

{{Spiral-galaxy-stub}}