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IC 1166

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Pair of galaxies in Corona Borealis
IC 1166
Sloan Digital Sky Survey image of galaxy pair IC 1166
Observation data (J2000 epoch)
ConstellationCorona Borealis
Right ascension16h 02m 08.90s
Declination+26d 19m 38.0s
Redshift0.072080
Heliocentric radial velocity20,818 km/s
Distance977 Mly (299.54 Mpc)
Apparent magnitude (V)16.77 and 19.08
Surface brightness23 and 23.4 mag/arcsec
Characteristics
TypeE and SBb
Size110,000 ly and 160,000 ly
Notable featuresInteracting galaxy and Seyfert galaxy
Other designations
IC 1166 NED01: PGC 56771, Mrk 867, 2MASX J16020888+2619456, SDSS J160208.91+261945.5, NVSS J160208+261942, KUG 1600+264, CGCG 137-018, IRAS 16000+2628, PGC 1772024, Mrk 867N IC 1166 NED02: PGC 1771884, UZC J160208.9+261929, 2MASX J16020881+2619316, SDSS J160208.82+261931.1, Mrk 867S

IC 1166 are a pair of galaxies in the Corona Borealis constellation comprising IC 1166 NED01 and IC 1166 NED02. They are located 977 million light-years from the Solar System and were discovered on July 28, 1892, by Stephane Javelle.

Galaxies

IC 1166 NED01

IC 1166 NED01 or PGC 56771 is a type E elliptical galaxy. Located above IC 1166 NED02, it has a diameter of approximately 110,000 light-years. PGC 56771 has an active nucleus and it is classified as a Seyfert type 1 galaxy. It has a quasar-like appearance, but its host clearly seen and presents two sets of emission lines which are superimposed on each other. PGC 56771 is classified a Markarian galaxy (designated Mrk 867), because compared to other galaxies its nucleus emits excessive amounts of ultraviolet rays. It has a surface brightness of 23.2 magnitude and, located at right ascension (16:02:08.92) and declination (26:19:45.60) respectively.

IC 1166 NED02

IC 1166 NED02 or PGC 1771884 is a type SBbc spiral galaxy. Located below IC 1166 NED01, it has an approximate diameter of 160,000 light-years making it slightly larger compared to the other galaxy and does not have an active galactic nucleus. PGC 1771884 has a surface brightness of 23.4 magnitude and, a right ascension of (16:02:08.83) and declination (26:19:31.20).

References

  1. Astronomy, Go. "IC 1166 | galaxy pair in Corona Borealis | IC List | GO ASTRONOMY". Go-Astronomy.com. Retrieved 2024-04-30.
  2. "IC 1166 NED01 - Elliptical Galaxy in Corona Borealis | TheSkyLive.com". theskylive.com. Retrieved 2024-04-30.
  3. "IC 1166 NED02 - Barred Spiral Galaxy in Corona Borealis | TheSkyLive.com". theskylive.com. Retrieved 2024-04-30.
  4. "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2024-04-30.
  5. ^ "Index Catalog Objects: IC 1150 - 1199". cseligman.com. Retrieved 2024-04-30.
  6. ^ "NED Search Results for IC 1166 NED01". ned.ipac.caltech.edu. Retrieved 2024-04-30.
  7. ^ "HyperLeda -object description for PGC 56771". atlas.obs-hp.fr. Retrieved 2024-04-30.
  8. ^ Astronomy, Go. "IC 1166 NED01 | galaxy in Corona Borealis | IC List | GO ASTRONOMY". Go-Astronomy.com. Retrieved 2024-04-30.
  9. "Astronomical Glossary". ned.ipac.caltech.edu. Retrieved 2024-04-30.
  10. Mazzarella, Joseph M.; Balzano, Vicki A. (1986). "1986ApJS...62..751M Page 751". The Astrophysical Journal Supplement Series. 62: 751. Bibcode:1986ApJS...62..751M. doi:10.1086/191155. Retrieved 2024-04-30.
  11. ^ "NED Search Results for IC 1166 NED02". ned.ipac.caltech.edu. Retrieved 2024-04-30.
  12. ^ "HyperLeda -object description for PGC 1771884". atlas.obs-hp.fr. Retrieved 2024-04-30.
  13. ^ Astronomy, Go. "IC 1166 NED02 | galaxy in Corona Borealis | IC List | GO ASTRONOMY". Go-Astronomy.com. Retrieved 2024-04-30.
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