Jump to content

File:Hygiea family.png

Page contents not supported in other languages.
This is a file from the Wikimedia Commons
From Wikipedia, the free encyclopedia

Original file (1,108 × 991 pixels, file size: 414 KB, MIME type: image/png)

Summary

Description
English: Diagrams showing the location and characteristics of the Hygiea family of asteroids. Where circles are plotted, their diameter is proportional to the mean diameter of the asteroid.
Date 29 April 2006 (original upload date)
Source Own work by the original uploader
Author User:Deuar

In the top diagrams, the proper orbital elements are plotted (inclination ip vs. semi-major axis ap on the left, and inclination ip vs. eccentricity ep on the right) for numbered asteroids in the main belt.

In the bottom enlargements, one has:

  • core family members (shown in red) are those identified by the 1995 Zappala (V. Zappala et al, Icarus Vol. 116, p. 291 (1995)) HCM method analysis. The data set is here.
  • interlopers (shown in green) were identified either:
    • by the spectroscopic analysis of Mothé-Diniz (T. Mothé-Diniz et al Rotationally Resolved Spectra of 10 Hygiea and a Spectroscopic Study of the Hygiea Family, Icarus, Vol. 152, p. 117 (2001)),
    • and also by inspection of the PDS asteroid taxonomy data set for non C,B,or X-type members of the above Zappala 1995 data-set.
  • additional significant asteroids (shown in orange), that may be members of the family (although probably interlopers).
  • additional significant non-family asteroids (shown in light blue) in the vicinity, but apparently not members of the family (52 Europa and 159 Aemilia). It is not clear why the latter was not included as a family member by the Zappalà analysis.
  • numbered asteroids in general (shown as small blue dots), from the AstDys database.

The location of asteroids that are very large and/or explicitly named on the plot is shown by a light cross within the circle.

Asteroid diameters were obtained from two sources:

  • (thick circles): From the IRAS survey, when available (data set here).
  • (thin circles): Otherwise, by assuming an albedo of 0.072 (same as 10 Hygiea), and estimating from absolute magnitudes from the AstOrb database here archive copy at the Wayback Machine.

The diagrams were created by me (Piotr Deuar) using proper element data for 96944 minor planets, which was obtained from the AstDys site. Data was dated March 2005, calculation was by Z. Knezevic and A. Milani.

The top left plot is a slightly modified reduced version of Image:Asteroid_proper_elements_i_vs_a.png.

Licensing

Deuar at the English-language Wikipedia, the copyright holder of this work, hereby publishes it under the following license:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
Attribution: Deuar
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
This licensing tag was added to this file as part of the GFDL licensing update.

Original upload log

Transferred from en.wikipedia to Commons using For the Common Good.

The original description page was here. All following user names refer to en.wikipedia.
Date/Time Dimensions User Comment
17:25, 5 May 2006 1,108 × 991 (424,151 bytes) w:en:Deuar (talk | contribs) asteroid family diagrams update
14:09, 29 April 2006 1,103 × 1,016 (182,689 bytes) w:en:Deuar (talk | contribs)
14:04, 29 April 2006 1,103 × 1,016 (183,121 bytes) w:en:Deuar (talk | contribs)
13:36, 29 April 2006 1,103 × 1,039 (188,364 bytes) w:en:Deuar (talk | contribs)

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

29 April 2006

image/png

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current02:25, 8 October 2018Thumbnail for version as of 02:25, 8 October 20181,108 × 991 (414 KB)OgreBot(BOT): Reverting to most recent version before archival
02:25, 8 October 2018Thumbnail for version as of 02:25, 8 October 20181,103 × 1,016 (178 KB)OgreBot(BOT): Uploading old version of file from en.wikipedia; originally uploaded on 2006-04-29 14:09:24 by Deuar
02:25, 8 October 2018Thumbnail for version as of 02:25, 8 October 20181,103 × 1,016 (179 KB)OgreBot(BOT): Uploading old version of file from en.wikipedia; originally uploaded on 2006-04-29 14:04:07 by Deuar
02:25, 8 October 2018Thumbnail for version as of 02:25, 8 October 20181,103 × 1,039 (184 KB)OgreBot(BOT): Uploading old version of file from en.wikipedia; originally uploaded on 2006-04-29 13:36:08 by Deuar
01:31, 6 October 2018Thumbnail for version as of 01:31, 6 October 20181,108 × 991 (414 KB)Arlene the beanTransferred from en.wikipedia: see original upload log above

The following 2 pages use this file:

Global file usage

The following other wikis use this file:

Metadata