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- Messier_19 abstract "Messier 19 or M19 (also designated NGC 6273) is a globular cluster in the constellation Ophiuchus. It was discovered by Charles Messier on June 5, 1764 and added to his catalogue of comet-like objects that same year. It was resolved into individual stars by William Herschel in 1784. His son, John Herschel, described it as "a superb cluster resolvable into countless stars". The cluster is located 4.5° WSW of Theta Ophiuchi and is just visible as a fuzzy point of light using 50 mm (2.0 in) binoculars. Using a telescope with a 25.4 cm (10.0 in) aperture, the cluster shows an oval appearance with a 3′ × 4′ core and a 5′ × 7′ halo.M19 is one of the most oblate of the known globular clusters. This flattening may not accurately reflect the physical shape of the cluster because the emitted light is being strongly absorbed along the eastern edge. This is the result of extinction caused by intervening gas and dust. When viewed in the infrared, the cluster shows almost no flattening. It lies at a distance of about 28.7 kly (8.8 kpc) from the Solar System, and is quite near to the Galactic Center at only about 6.5 kly (2.0 kpc) away.This cluster contains an estimated 1,100,000 times the mass of the Sun and it is around 11.9 billion years old. The stellar population includes four Cepheids and RV Tauri variables, plus at least one RR Lyrae variable for which a period is known. Observations made during the ROSAT mission failed to reveal any low-intensity X-ray sources.".
- Messier_19 thumbnail Messier_19_Hubble_WikiSky.jpg?width=300.
- Messier_19 wikiPageExternalLink cluster_4.php?ggc=M+19.
- Messier_19 wikiPageExternalLink m019.html.
- Messier_19 wikiPageID "960522".
- Messier_19 wikiPageRevisionID "601985765".
- Messier_19 age "11.9".
- Messier_19 appmagV "+7.47".
- Messier_19 caption "Messier 19 by Hubble Space Telescope; 2.5′ view".
- Messier_19 class "VIII".
- Messier_19 constellation Ophiuchus.
- Messier_19 credit NASA.
- Messier_19 credit SKY-MAP.ORG.
- Messier_19 credit Space_Telescope_Science_Institute.
- Messier_19 epoch Epoch_(astronomy).
- Messier_19 hasPhotoCollection Messier_19.
- Messier_19 metalFe "–1.53".
- Messier_19 name "Messier 19".
- Messier_19 names "NGC 6273, GCl 52".
- Messier_19 radiusLy "70.0".
- Messier_19 sizeV "17".
- Messier_19 subject Category:Globular_clusters.
- Messier_19 subject Category:Messier_objects.
- Messier_19 subject Category:NGC_objects.
- Messier_19 subject Category:Objects_within_100_kly_of_Earth.
- Messier_19 subject Category:Ophiuchus_(constellation).
- Messier_19 comment "Messier 19 or M19 (also designated NGC 6273) is a globular cluster in the constellation Ophiuchus. It was discovered by Charles Messier on June 5, 1764 and added to his catalogue of comet-like objects that same year. It was resolved into individual stars by William Herschel in 1784. His son, John Herschel, described it as "a superb cluster resolvable into countless stars".".
- Messier_19 label "Cúmulo globular M19".
- Messier_19 label "M 19 (шаровое скопление)".
- Messier_19 label "M19 (amas globulaire)".
- Messier_19 label "M19 (astronomia)".
- Messier_19 label "M19 (天体)".
- Messier_19 label "M19".
- Messier_19 label "Messier 19".
- Messier_19 label "Messier 19".
- Messier_19 label "Messier 19".
- Messier_19 label "Messier 19".
- Messier_19 label "Messier 19".
- Messier_19 label "مسييه 19".
- Messier_19 sameAs Messier_19.
- Messier_19 sameAs Messier_19.
- Messier_19 sameAs Μεσιέ_19.
- Messier_19 sameAs Cúmulo_globular_M19.
- Messier_19 sameAs M19_(amas_globulaire).
- Messier_19 sameAs Messier_19.
- Messier_19 sameAs M19_(astronomia).
- Messier_19 sameAs M19_(天体).
- Messier_19 sameAs 메시에_19.
- Messier_19 sameAs Messier_19.
- Messier_19 sameAs Messier_19.
- Messier_19 sameAs Messier_19.
- Messier_19 sameAs m.03tkln.
- Messier_19 sameAs Q11374.
- Messier_19 sameAs Q11374.
- Messier_19 wasDerivedFrom Messier_19?oldid=601985765.
- Messier_19 depiction Messier_19_Hubble_WikiSky.jpg.
- Messier_19 isPrimaryTopicOf Messier_19.