File:Cyllarus-Keck-Nov2009-mag23.gif

  1. Home
  2. Wiki
File information
Description

52975 Cyllarus (1998 TF35) is a Centaur. As of November 2009, it has a very faint apparent magnitude of 23 and is also 23 AU from the Sun. Cyllarus has "the record for the faintest spectrum of a Kuiper belt object".

Source

Animated GIF stored on Mike Brown's website at http://www.gps.caltech.edu/~mbrown/tf.gif

Date

November 2009

Author

Mike Brown and his team using the W. M. Keck Observatory. Wikipedia image modified by Kevin Heider to make Cyllarus more obvious to a casual viewer.

Permission
(Reusing this file)
Copyrighted
This image is a faithful digitisation of a unique historic image, and the copyright for it is most likely held by the person who created the image or the agency employing the person. It is believed that the use of this image may qualify as non-free use under the Copyright law of the United States. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Non-free content for more information.

Please remember that the non-free content criteria require that non-free images on Wikipedia must not "[be] used in a manner that is likely to replace the original market role of the original copyrighted media." Use of historic images from press agencies must only be of a transformative nature, when the image itself is the subject of commentary rather than the event it depicts (which is the original market role, and is not allowed per policy).

Attention
To the uploader:
  1. Please add a detailed non-free use rationale for each article the image is used in, which must also declare compliance with the other parts of the non-free content criteria, as well as the source of the work and copyright information.
  2. For example non-free use rationales, see Wikipedia:Use rationale examples.
  3. Template:Non-free use rationale 2 may be helpful for stating the rationale.
To patrollers and administrators: If this image has an appropriate rationale please append |image has rationale=yes as a parameter to the license template.
If this tag does not accurately describe this image, please replace it with an appropriate one.

Fair use

This image qualifies for fair use in the articles 52975 Cyllarus because:

1) It helps illustrate how little is known about this distant and hard to detect object.
2) There is no freely available alternative to this unique image since it is not a frequently photographed subject and is beyond the reach of amateur astronomers.
3) Displaying this simple image of a poorly known object on a non-profit website (Wikipedia) should cause no financial loss to the copyright holder(s).

Credit: W. M. Keck Observatory and Mike Brown and his team
Keck Observatory can be contacted at http://keckobservatory.org/contact