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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 galaxy. It's 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.".
- Sher_25 thumbnail NGC_3603b.jpg?width=300.
- Sher_25 wikiPageExternalLink ap970812.html.
- Sher_25 wikiPageID "4280408".
- Sher_25 wikiPageRevisionID "593040871".
- Sher_25 absmagV "-7.8".
- Sher_25 ageMyr "4".
- Sher_25 appmagV "12.27".
- Sher_25 bV "1.36".
- Sher_25 class "B1Iab".
- Sher_25 constell Carina_(constellation).
- Sher_25 distLy "25000".
- Sher_25 distPc "7600".
- Sher_25 epoch Epoch_(astronomy).
- Sher_25 equino Epoch_(astronomy).
- 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 "~70".
- Sher_25 temperature "22000".
- Sher_25 variable "candidate LBV".
- Sher_25 subject Category:B-type_supergiants.
- Sher_25 subject Category:Carina_(constellation).
- Sher_25 subject Category:NGC_3603.
- Sher_25 subject Category:Objects_within_100_kly_of_Earth.
- Sher_25 type CelestialBody.
- Sher_25 type Star.
- Sher_25 type PhysicalBody.
- 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 galaxy. It's 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 label "Sher 25".
- Sher_25 label "Sher 25".
- Sher_25 label "Sher 25".
- Sher_25 label "Sher 25".
- Sher_25 label "Sher 25".
- Sher_25 sameAs Sher_25.
- Sher_25 sameAs Sher_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 wasDerivedFrom Sher_25?oldid=593040871.
- Sher_25 depiction NGC_3603b.jpg.
- Sher_25 isPrimaryTopicOf Sher_25.
- Sher_25 name "Sher 25".
