Key facts
- Constellation
- Cetus
- Right ascension
- 01 56 22.685
- Declination
- −09 ° 03 ′ 41.15 ″
- Heliocentric radial velocity
- 1641.2 km/s
- Distance
- 69 Mly (21.3 Mpc )
- Absolute magnitude v
- − 18.27
- Type
- SBcd
via Wikipedia infobox
Wikidata facts
- Instance of
- spiral galaxy
- Constellation
- Cetus
- Distance from Earth
- 19
- Image
- NGC 0755 SDSS.jpg
Show 11 more facts
- time of discovery or invention
- 1785-01-10
- discoverer or inventor
- William Herschel
- catalog code
- LEDA 7262
- redshift
- 0.005477
- galaxy morphological type
- SBcd
- apparent magnitude
- 12.205
- Commons category
- NGC 755
- right ascension
- 29.0945208
- declination
- -9.0614306
- radial velocity
- 1633
- epoch
- J2000.0
Sources (1)
via Wikidata · CC0
~1 min read
Encyclopedic overview
NGC 755 is an emission line spiral galaxy in the constellation of Cetus. The galaxy's velocity of 1641.2 km/s was used to calculate its distance using the Tully–Fisher relation. Its dark matter halo was found to be core-dominated, in agreement with predictions from the lambda-CDM model of cosmology.
References
Excerpted from Wikipedia’s “NGC 755” article, available under the CC BY-SA 4.0 licence.
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