Jump to content

File:Polaris comp s (25006858485).jpg

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

Original file (3,286 × 3,287 pixels, file size: 4.09 MB, MIME type: image/jpeg)

Summary

Description

Polaris star Credit: DSS / Giuseppe Donatiello

(J2000) RA 02h 31m 48.7s Dec +89° 15′ 51″ Mag(v) = 1.98v Polaris (α Ursae Minoris), the Pole Star, is the brightest star in Ursa Minor, so called because it is very close to the North Celestial Pole.

It is a multiple star with five components: α UMi Aa a supergiant with two smaller companions α UMi B and α UMi Ab. In the stellar system are present other two distant components, α UMi C and α UMi D. Polaris A is a low amplitude classical Cepheid variable.
Date
Source Polaris comp s
Author Giuseppe Donatiello

Licensing

Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

This image was originally posted to Flickr by gjdonatiello at https://flickr.com/photos/133259498@N05/25006858485. It was reviewed on 30 August 2017 by FlickreviewR and was confirmed to be licensed under the terms of the cc-zero.

30 August 2017

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

12 February 2016

File history

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

Date/TimeThumbnailDimensionsUserComment
current17:36, 30 August 2017Thumbnail for version as of 17:36, 30 August 20173,286 × 3,287 (4.09 MB)JotaCartasTransferred from Flickr via Flickr2Commons

The following page uses this file:

Global file usage

The following other wikis use this file:

Metadata