Dwarf spheroidal galaxy located in the constellation Pavo
Bedin I
Long-exposure photograph of Bedin I (left)[a]
Observation data (J2000 epoch)
Constellation
Pavo
Right ascension
19h 10m 45.41s
Declination
−59° 55′ 04.32″
Distance
8.7+0.5 −0.7 Mpc
Apparent magnitude (V)
19.94
Absolute magnitude (V)
−9.76
Characteristics
Size
840 × 340 pc
Apparent size (V)
20" × 8"
Bedin I is a dwarf spheroidal galaxy located in the constellation Pavo. It is situated around 28.38 million light-years from Earth, behind the globular cluster NGC 6752. Bedin I is possibly one of the oldest galaxies known, having formed around 10–13 billion years ago, and is one of the most isolated dwarf galaxies known, situated around 2.12 million light-years away from NGC 6744, its nearest neighbor with which it may be physically associated. As such, it has been deemed by astronomers as a "fossil" from the early universe. It was accidentally discovered by Italian astronomer Luigi Bedin, whose team was studying white dwarfs in NGC 6752 using the Hubble Space Telescope in September 2018; the discovery was announced in a paper published in January 2019.
^ abSpace Telescope Science Institute (31 January 2019). "Bedin 1 in NGC 6752". Hubblesite. Archived from the original on 1 February 2019. Retrieved 1 February 2019. Object Position - R. A. 19:10:45.41 Dec. -59:55:04.32; Dimensions - Image is about 1 arcmin across (about 9,000 light-years); Instrument - ACS/WFC; Exposure Dates - September 9–13, 2018
^Plait 2019, "...it's sitting right near the core of NGC 6752, so there are lots of far brighter stars sitting near and even on top of it, contaminating the sample. [...] the galaxy is near the edge of the image's field of view."
^Bedin et al. 2019, "Unfortunately, Bedin I is very close to the border of the field of view, where the large dithers gave us an overall incomplete and shallower view with respect to the centre of the fov."
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BedinI is a dwarf spheroidal galaxy located in the constellation Pavo. It is situated around 28.38 million light-years from Earth, behind the globular...
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A., Bedin, L. R., Chaboyer, B., Dotter, A., Siegel, M., Anderson, J., ... & Rosenberg, A. (2007). The ACS survey of galactic globular clusters. I. Overview...
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Hindenburg. Minneapolis, MN: Compass Point Books. p. 38. King, Ivan R.; Bedin, Luigi R.; Piotto, Giampaolo; Cassisi, Santi; Anderson, Jay (August 2005)...
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Arabian oryx. Retrieved on 2013-01-01. Williams, J. B.; Ostrowski, S.; Bedin, E.; Ismail, K. (2001). "Seasonal variation in energy expenditure, water...
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PMID 11393826. S2CID 18583792. Bauer H, Mohammed AA, El Faki A, Hiwytalla KO, Bedin E, Rskay G, Sitotaw E, Sillero-Zubiri C (2018). "Antelopes of the Dinder-Alatash...
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; Bedin, L. R.; Bardalez Gagliuffi, D. C. (1 February 2021). "The Y dwarf population with HST: unlocking the secrets of our coolest neighbours - I. Overview...
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