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Perseus A

NGC 1275

은하 양호 (40/100)

Lenticular

C24 Galaxy Perseus 관측 가능 난이도 3 Medium telescope (6-8") - Dark skies recommended
Credit: NASA, ESA, and the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration. License: Public domain. (Wikimedia Commons)
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특성

등급 11.6
각크기 2.2′ × 1.4′
위치각 110°
거리 230000000 ly
은하 유형 Lenticular (S0)
Elliptical Galaxy [Distance: 230000000 ly]

위치 & 식별자

RA 03h 19m 48.2s
Dec +41° 30' 43.2"
별자리 Perseus
카탈로그 C24

가시성

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서베이 이미지

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Perseus A 소개

설명

Perseus A (NGC 1275) is a giant elliptical galaxy at the center of the Perseus Cluster (Abell 426), about 240 million light-years away. It hosts a powerful active galactic nucleus and is one of the strongest radio sources in the sky (3C 84).

관측 팁

Visible as a small, bright, round glow in an 8-inch telescope. The surrounding Perseus Cluster galaxies can be spotted with larger apertures. Located in Perseus, best observed in autumn and winter evenings at medium magnification.

역사

Cataloged by Heinrich Louis d'Arrest in 1863. Its powerful radio emission was discovered in the early days of radio astronomy. Chandra X-ray Observatory revealed enormous cavities in the hot intracluster gas inflated by jets from the central black hole.

재미있는 사실

Sound waves generated by the central black hole create pressure ripples in the surrounding hot gas. In 2003, astronomers translated this to a musical note: B-flat, 57 octaves below middle C — the deepest note ever detected in the universe.

커뮤니티 사진 (1)

Credit: NASA, ESA, and the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration. License: Public domain. (Wikimedia Commons)

Credit: NASA, ESA, and the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration. License: Public domain. (Wikimedia Commons)

Skybred Mar 2, 2026