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NGC 7686 is a moderately-sized open cluster in the constellation Andromeda, containing about 80 stars. [2] At magnitude 5.6, it is an easy target for binoculars and small telescopes. [3] According to Johnson et al. (1961), the "color-magnitude diagram shows merely a uniform scatter with no significant tendency to show a cluster main sequence ...
NGC 561 is a barred spiral galaxy located in the constellation Andromeda. [3] Its speed relative to the cosmic microwave background is 4,395 ± 20 km/s, which corresponds to a Hubble distance of 64.8 ± 4.6 Mpc (~211 million ly). [4] NGC 561 was discovered by Prussian astronomer Heinrich d'Arrest in 1862. [5]
HD 221246 or NGC 7686 1 is a star in open cluster NGC 7686, and it belongs to the northern constellation of Andromeda. With an apparent visual magnitude of 6.17, [ 2 ] it can be viewed by the naked eye only under very favourable conditions.
NGC 700 is a lenticular galaxy located 200 million light-years away [2] in the constellation Andromeda. NGC 700 was discovered by astronomer Bindon Stoney on October 28, 1850. [3] It is also a member of Abell 262. [4] [5] The galaxy PGC 6924 is often misidentified as NGC 700. [3]
NGC 169 is an unbarred spiral galaxy located in the constellation Andromeda. It was discovered on September 18, 1857, by R. J. Mitchell. [2] NGC 169 has a smaller companion named NGC 169A, also designated IC1559. The two are currently interacting, and the pair is included in Halton Arp's Atlas of Peculiar Galaxies. [3]
NGC 828 is a spiral galaxy in the constellation of Andromeda. Its velocity with respect to the cosmic microwave background is 5200 ± 17 km/s, which corresponds to a Hubble distance of 250.2 ± 17.5 Mly (76.70 ± 5.37 Mpc). [1] Additionally, three non-redshift measurements give a distance of 223.52 ± 7.06 Mly (68.533 ± 2.165 Mpc). [2]
HD 221776 is a double star in the northern constellation of Andromeda. With an apparent visual magnitude of 6.18, [ 2 ] it is viewable by the naked eye user very favourable conditions. The most luminous component has a spectral classification K5III, meaning that it is an orange giant star that has evolved off the main sequence .
HD 16028 is a star in the constellation Andromeda. Its apparent magnitude is 5.71. [2] Located approximately 225 parsecs (730 ly) distant, [1] it is an orange giant of spectral type K3III, [3] a star that has used up its core hydrogen and has expanded. Double star catalogues list two stars as optical companions.