NGC 7329

Last updated
NGC 7329
NGC7329 - HST - Potw2149a.jpg
Hubble Space Telescope image of NGC 7329
Observation data (J2000 epoch)
Constellation Tucana
Right ascension 22h 40m 23s
Declination -66°28′44″
Distance 46,43 ± 3,25
Apparent magnitude  (V)11.31
Apparent magnitude  (B)12.51
Surface brightness 23.36 mag/arcsec2
Characteristics
Type SBbc
Other designations
PGC 69453

ESO 109-12 AM 2236-664

IRAS 22369-6644

NGC 7329 is a large barred spiral galaxy located in the constellation Tucana. [1] NGC 7329 was discovered by British astronomer John Herschel in 1835. [2]

Contents

The luminosity class of NGC 7329 is II and it has a broad HI line. To date, 29 non-redshift measurements yield a distance of 44.662 ± 5.536 Mpc (~146 million ly), [3] which is within the Hubble distance range. Note that it is with the average value of independent measurements, when they exist, that the NASA/IPAC database calculates the diameter of a galaxy. [4]

Discovery

This galaxy was discovered in 1835 by the English astronomer John Herschel using a 47.5 cm (18.7 in) optical telescope that used a mirror as the light-gathering element.

Supernovae

Two supernovae have been observed in NGC 7329: SN 2006bh and SN 2009iu.

SN 2006bh

This supernova was discovered on April 2, 2006, by South African amateur astronomer Berto Monard, in Pretoria. It was cateogorized as type Ia with a magnitude of 14.8. [5]

SN 2009iu

This supernova, categorized as type Ib with a magnitude of 15.5, was discovered on September 1, 2009, by the CHASE (Chilean Automatic Supernova Search) project, a project searching for supernovae visible from astronomical observatories in the southern hemisphere. [6]

See also

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References

  1. ↑ "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-03-22.
  2. ↑ "Natural Sciences program at the Cégep of Valleyfield". astrovalleyfield.ca. Retrieved 2024-03-22.
  3. ↑ "NED Query Results for NGC 7329". ned.ipac.caltech.edu. Retrieved 2024-03-22.
  4. ↑ "SN 2006bh | Transient Name Server". www.wis-tns.org. Retrieved 2024-03-22.
  5. ↑ Transient Name Server entry for SN 2006bh. Retrieved 27 July 2024.
  6. ↑ Transient Name Server entry for SN 2009iu. Retrieved 27 July 2024.
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