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- Sher_25 abstract "Sher 25 is a blue supergiant star in the constellation Carina, located approximately 25,000 light years from the Sun in the H II region NGC 3603 of the Milky Way. It is a spectral type B1Iab star with an apparent magnitude of 12.2. Its initial main sequence mass is calculated at 60 times the mass of our Sun, but a star of this type will have already lost a substantial fraction of that mass. It is unclear whether Sher 25 has been through a red supergiant phase or has just evolved from the main sequence, so the current mass is very uncertain.The name derives from the original cataloguing of stars in NGC 3603 by David Sher. This catalogue entry is more properly referred to as NGC 3603 Sher 25 to distinguish it from stars numbered 25 by Sher in other clusters. The same star was numbered 13 by Melnick, Tapia, and Terlevich (NGC 3603 MTT 13) and 5 in a Hubble Space Telescope survey by Moffat, Drissen, and Shara (NGC 3603 MDS 5).It is speculated that Sher 25 is near the point of going supernova, as it has recently thrown off matter in a pattern similar to that of supernova 1987A in the Large Magellanic Cloud, with a circumstellar ring and bipolar outflow filaments.Regular variations in the doppler shift of the star's spectral lines with a period of a few days have suggested orbital motion about a companion star, but pulsations are a more likely explanation.".
- Sher_25 thumbnail NGC_3603b.jpg?width=300.
- Sher_25 wikiPageExternalLink ap970812.html.
- Sher_25 wikiPageID "4280408".
- Sher_25 wikiPageLength "7023".
- Sher_25 wikiPageOutDegree "25".
- Sher_25 wikiPageRevisionID "682922522".
- Sher_25 wikiPageWikiLink Apparent_magnitude.
- Sher_25 wikiPageWikiLink Blue_supergiant.
- Sher_25 wikiPageWikiLink Carina_(constellation).
- Sher_25 wikiPageWikiLink Category:B-type_supergiants.
- Sher_25 wikiPageWikiLink Category:Carina_(constellation).
- Sher_25 wikiPageWikiLink Category:Luminous_blue_variables.
- Sher_25 wikiPageWikiLink Category:NGC_3603.
- Sher_25 wikiPageWikiLink Constellation.
- Sher_25 wikiPageWikiLink Doppler_effect.
- Sher_25 wikiPageWikiLink Doppler_shift.
- Sher_25 wikiPageWikiLink Epoch_(astronomy).
- Sher_25 wikiPageWikiLink H_II_region.
- Sher_25 wikiPageWikiLink Hubble_Space_Telescope.
- Sher_25 wikiPageWikiLink J2000.0.
- Sher_25 wikiPageWikiLink Large_Magellanic_Cloud.
- Sher_25 wikiPageWikiLink Light-year.
- Sher_25 wikiPageWikiLink Light_years.
- Sher_25 wikiPageWikiLink Luminous_Blue_Variable.
- Sher_25 wikiPageWikiLink Luminous_blue_variable.
- Sher_25 wikiPageWikiLink NGC_3603.
- Sher_25 wikiPageWikiLink Red_supergiant.
- Sher_25 wikiPageWikiLink SN_1987A.
- Sher_25 wikiPageWikiLink Spectral_type.
- Sher_25 wikiPageWikiLink Star.
- Sher_25 wikiPageWikiLink Stellar_classification.
- Sher_25 wikiPageWikiLink Sun.
- Sher_25 wikiPageWikiLink Supernova.
- Sher_25 wikiPageWikiLink Supernova_1987A.
- Sher_25 wikiPageWikiLink File:NGC_3603b.jpg.
- Sher_25 wikiPageWikiLinkText "Sher 25".
- Sher_25 absmagV "-7.8".
- Sher_25 ageMyr "4".
- Sher_25 appmagV "12.23".
- Sher_25 bV "1.42".
- Sher_25 class "B1Iab".
- Sher_25 constell Carina_(constellation).
- Sher_25 distLy "25000".
- Sher_25 distPc "7600".
- Sher_25 epoch Epoch_(astronomy).
- Sher_25 epoch J2000.0.
- Sher_25 equino Epoch_(astronomy).
- Sher_25 equino J2000.0.
- Sher_25 gravity "2.6".
- Sher_25 hasPhotoCollection Sher_25.
- Sher_25 luminosityBolometric "608000".
- Sher_25 mass "40".
- Sher_25 radius "54".
- Sher_25 rotationalVelocity "65".
- Sher_25 temperature "22000".
- Sher_25 uB "0.13".
- Sher_25 variable "candidate LBV".
- Sher_25 wikiPageUsesTemplate Template:Reflist.
- Sher_25 wikiPageUsesTemplate Template:Starbox_astrometry.
- Sher_25 wikiPageUsesTemplate Template:Starbox_begin.
- Sher_25 wikiPageUsesTemplate Template:Starbox_catalog.
- Sher_25 wikiPageUsesTemplate Template:Starbox_character.
- Sher_25 wikiPageUsesTemplate Template:Starbox_detail.
- Sher_25 wikiPageUsesTemplate Template:Starbox_end.
- Sher_25 wikiPageUsesTemplate Template:Starbox_image.
- Sher_25 wikiPageUsesTemplate Template:Starbox_observe.
- Sher_25 wikiPageUsesTemplate Template:Starbox_reference.
- Sher_25 wikiPageUsesTemplate Template:Stars_of_Carina.
- Sher_25 subject Category:B-type_supergiants.
- Sher_25 subject Category:Carina_(constellation).
- Sher_25 subject Category:Luminous_blue_variables.
- Sher_25 subject Category:NGC_3603.
- Sher_25 hypernym Star.
- Sher_25 type CelestialBody.
- Sher_25 type Place.
- Sher_25 type Star.
- Sher_25 type Object.
- Sher_25 type Location.
- Sher_25 type Place.
- Sher_25 type Thing.
- Sher_25 comment "Sher 25 is a blue supergiant star in the constellation Carina, located approximately 25,000 light years from the Sun in the H II region NGC 3603 of the Milky Way. It is a spectral type B1Iab star with an apparent magnitude of 12.2. Its initial main sequence mass is calculated at 60 times the mass of our Sun, but a star of this type will have already lost a substantial fraction of that mass.".
- Sher_25 label "Sher 25".
- Sher_25 sameAs Sher_25.
- Sher_25 sameAs Sher_25.
- Sher_25 sameAs Sher_25.
- Sher_25 sameAs شر_۲۵.
- Sher_25 sameAs Sher_25.
- Sher_25 sameAs 셰어_25.
- Sher_25 sameAs Sher_25.
- Sher_25 sameAs Sher_25.
- Sher_25 sameAs m.0btxdw.
- Sher_25 sameAs Q2541859.
- Sher_25 sameAs Q2541859.
- Sher_25 sameAs Sher_25.
- Sher_25 wasDerivedFrom Sher_25?oldid=682922522.
- Sher_25 depiction NGC_3603b.jpg.
- Sher_25 isPrimaryTopicOf Sher_25.
- Sher_25 name "Sher 25".