For faster navigation, this Iframe is preloading the Wikiwand page for NGC 5102.

NGC 5102

NGC 5102
哈勃空间望远镜拍摄的NGC 5102
观测资料(J2000 历元
星座半人马座
赤经13h 21m 57.6s[1]
赤纬-36° 37′ 49″[1]
红移468 ± 2 km/s[1]
距离12.1 ± 0.7 Mly (3.70 ± 0.23 Mpc)[2][3][4][5]
视星等 (V)10.4[1]
特征
类型SA0[1]
角直径 (V)8′.7 × 2′.8[1]
其他名称
PGC 46674[1]
参见:星系星系列表

NGC 5102半人马座 A/M83星系团中的一个透镜星系。它是由约翰·赫歇尔在1835年发现的。

距离测量

[编辑]

至少使用了两种技术来测量到NGC 5102的距离。表面亮度波动距离测量技术是根据螺旋星系的核球的粒状外观来估计与螺旋星系的距离的,使用该技术测量到NGC 5102的距离为13.0±0.8 百万光年(4.0±0.2百万秒差距)。[2]但是,NGC 5102足够近,以至于可以使用红巨星支尖的方法来估计其距离,使用该技术测量到的NGC 5102的估计距离为11.1±1.3百万光年(3.40±0.39 百万秒差距)。[3]将这些距离测量值平均在一起,得出的距离估计值为12.1±0.7百万光年(3.70±0.23百万秒差距)。[5]

参考资料

[编辑]
  1. ^ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 NASA/IPAC Extragalactic Database. Results for NGC 5102. [2006-12-15]. (原始内容存档于2011-05-14). 
  2. ^ 2.0 2.1 J. L. Tonry; A. Dressler; J. P. Blakeslee; E. A. Ajhar; et al. The SBF Survey of Galaxy Distances. IV. SBF Magnitudes, Colors, and Distances. Astrophysical Journal. 2001, 546 (2): 681–693. Bibcode:2001ApJ...546..681T. arXiv:astro-ph/0011223可免费查阅. doi:10.1086/318301. 
  3. ^ 3.0 3.1 I. D. Karachentsev; V. E. Karachentseva; W. K. Hutchmeier; D. I. Makarov. A Catalog of Neighboring Galaxies. Astronomical Journal. 2004, 127 (4): 2031–2068. Bibcode:2004AJ....127.2031K. doi:10.1086/382905. 
  4. ^ Karachentsev, I. D.; Kashibadze, O. G. Masses of the local group and of the M81 group estimated from distortions in the local velocity field. Astrophysics. 2006, 49 (1): 3–18. Bibcode:2006Ap.....49....3K. doi:10.1007/s10511-006-0002-6. 
  5. ^ 5.0 5.1 average(4.0 ± 0.2, 3.40 ± 0.39) = ((870 + 760) / 2) ± ((602 + 802)0.5 / 2) = 820 ± 50

外部链接

[编辑]


{{bottomLinkPreText}} {{bottomLinkText}}
NGC 5102
Listen to this article

This browser is not supported by Wikiwand :(
Wikiwand requires a browser with modern capabilities in order to provide you with the best reading experience.
Please download and use one of the following browsers:

This article was just edited, click to reload
This article has been deleted on Wikipedia (Why?)

Back to homepage

Please click Add in the dialog above
Please click Allow in the top-left corner,
then click Install Now in the dialog
Please click Open in the download dialog,
then click Install
Please click the "Downloads" icon in the Safari toolbar, open the first download in the list,
then click Install
{{::$root.activation.text}}

Install Wikiwand

Install on Chrome Install on Firefox
Don't forget to rate us

Tell your friends about Wikiwand!

Gmail Facebook Twitter Link

Enjoying Wikiwand?

Tell your friends and spread the love:
Share on Gmail Share on Facebook Share on Twitter Share on Buffer

Our magic isn't perfect

You can help our automatic cover photo selection by reporting an unsuitable photo.

This photo is visually disturbing This photo is not a good choice

Thank you for helping!


Your input will affect cover photo selection, along with input from other users.

X

Get ready for Wikiwand 2.0 🎉! the new version arrives on September 1st! Don't want to wait?