NGC 2509 is an open cluster in the constellation of Puppis. It was discovered on 3 December 1783 by William Herschel. [3] It was described as "bright, pretty rich, slightly compressed" by …

NGC 2509 是位于船尾座的一个疏散星团。 它的赤经为8h 0.7m，赤纬为-19° 4′，大小8′。

NGC 2509 is a Open Cluster in the Puppis constellation. NGC 2509 is situated close to the celestial equator and, as such, it is at least partly visible from both hemispheres in certain …

2023年9月11日 · Physical Information: Based on a recessional velocity of 505 km/sec, NGC 2500 is about 24 million light years away, but for small distances peculiar (non-Hubble expansion) …

2018年10月1日 · The rich galactic open star cluster NGC 2509, in the constellation of Puppis (α 2000 = 08 h 00 m 48 s, δ 2000 = − 19 ∘ 03 ′ 06 ″) is at a distance of 912 ± 15 pc.

From Virginia Beach , NGC2509 is visible between 21:29 and 02:57. It will become accessible at around 21:29, when it rises to an altitude of 21° above your south-eastern horizon. It will reach …

Moreover, to determine cluster members more precision and get reliable astrometric parameters for NGC 2509, we filtered possible members which brighter than completeness limit G ≤ 21 …

2023年9月10日 · This study presents structural and fundamental astrophysical parameters of poorly studied open cluster NGC 2509. We used the third photometric and astrometric data …

NGC 2509 is an open cluster in the constellation of Puppis. It was discovered on 3 December 1783 by William Herschel. It was described as "bright, pretty rich, ...

2024年8月30日 · NGC 2509는 고물자리 방향으로 9,500 광년 떨어져 있는 산개성단 이다. 2. 상세 [편집] 1783년 12월 3일 윌리엄 허셜 에 의해 처음 발견되었으며 고물자리 이중성단 과 투레이스 …