哈勃太空望远镜观测到的10个邻近星系的距离

IF 0.6 4区物理与天体物理 Q4 ASTRONOMY & ASTROPHYSICS Astrophysics Pub Date : 2023-04-12 DOI:10.1007/s10511-023-09766-2

I. D. Karachentsev, N. A. Tikhonov

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引用次数: 2

摘要

利用哈勃太空望远镜(HST)在F814W和F606W滤光片上获得的10个星系的图像，构建了这些星系恒星群的彩色星等图。星系的距离是根据红巨星分支顶端的光度来估计的。这些星系相对于本星系群质心的视向速度在250到760公里/秒之间，距离在3.7到13.0英里/秒之间。其他几个观测到的低视向速度星系的距离超过了13 Mpc的极限。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Distances to 10 Nearby Galaxies Observed with the Hubble Space Telescope

Images of 10 galaxies in F814W and F606W filters obtained on the Hubble Space Telescope (HST) are used to construct color-magnitude diagrams for the star population of these galaxies. The distances to the galaxies are estimated from the luminosity of the tip of the red giant branch. The galaxies examined here have radial velocities from 250 to 760 km/s relative to the centroid of the Local Group and distances ranging from 3.7 to 13.0 Mpc. Several other observed galaxies with low radial velocities are noted at distances beyond the limit of 13 Mpc.

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来源期刊

Astrophysics 地学天文-天文与天体物理

CiteScore

0.90

自引率

20.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Astrophysics (Ap) is a peer-reviewed scientific journal which publishes research in theoretical and observational astrophysics. Founded by V.A.Ambartsumian in 1965 Astrophysics is one of the international astronomy journals. The journal covers space astrophysics, stellar and galactic evolution, solar physics, stellar and planetary atmospheres, interstellar matter. Additional subjects include chemical composition and internal structure of stars, quasars and pulsars, developments in modern cosmology and radiative transfer.