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Thread: BHs shaping globular clusters

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    Default BHs shaping globular clusters



    Past items italicized. Scopes: Refractors: Orion ST80 (mods for white light solar), SV ED80 f7, Orion and SW 80 and 120 ED doublets, Orion 120 f8.3, Tasco 30x30, Edmund 40; Newtonians: AT 8”f4, OC 8”f6.3, Z12 f5, self made 6” f9, Orion XX14i; Catadioptrics: VMC110L, Intes MK66, Orion 102 MakCas f12.7, Celestron 9.25 SCT and 9.25 Edge. EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, TV Nagler, ES100s. Mounts: Orion Sirius EQG, Star Seeker III, Celestron CG5, Vixen Porta II, Losmandy G11

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    Default Re: BHs shaping globular clusters

    Thanks nFA - Great article - could you expand on data in the graph? I think I'm picking up what they are putting down...
    would like to get your take, especially where the all 3 lines (observation of NGC 3201, Nbh>200, Nbh<10) come together.
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    Default Re: BHs shaping globular clusters

    Quote Originally Posted by sketrip View Post
    Thanks nFA - Great article - could you expand on data in the graph? I think I'm picking up what they are putting down...
    would like to get your take, especially where the all 3 lines (observation of NGC 3201, Nbh>200, Nbh<10) come together.
    What the graph says is that where all three come together at radius 100 arc seconds you can't tell the difference between the Nbh > 200, Nbh < 10 and the actual surface brightness data for NGC 3201. But for smaller radii < 100 arc seconds the Nbh < 10 line is ruled out by the NGC 3201 data which agrees well with the Nbh > 200 prediction.
    chas53, Solrian and sketrip like this.
    Past items italicized. Scopes: Refractors: Orion ST80 (mods for white light solar), SV ED80 f7, Orion and SW 80 and 120 ED doublets, Orion 120 f8.3, Tasco 30x30, Edmund 40; Newtonians: AT 8”f4, OC 8”f6.3, Z12 f5, self made 6” f9, Orion XX14i; Catadioptrics: VMC110L, Intes MK66, Orion 102 MakCas f12.7, Celestron 9.25 SCT and 9.25 Edge. EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, TV Nagler, ES100s. Mounts: Orion Sirius EQG, Star Seeker III, Celestron CG5, Vixen Porta II, Losmandy G11

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    Default Re: BHs shaping globular clusters

    Much appreciated nFA, thank you - had to make sure.
    Also find some comfort in BH's being retained instead of flung about like cosmic 8 balls - rather a scary thought that...
    AD10, SV102T, AR127 & ST80 Twilight I & SW AZEQ6 GT Mounts ES82 11 18 24, ES100 5.5 9 14 20, KK Orthos, BCO 6, 10mm, Vixen HR 2.4, 3.4 Vortex 10X50, ACD 75 Astro Mutt
    "A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects." - Robert A. Heinlein


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    Default Re: BHs shaping globular clusters

    I find my neighbor who loses bullets in HIS neighbor's kitchens much more frightening.
    chas53, helicon64, Solrian and 1 others like this.
    Past items italicized. Scopes: Refractors: Orion ST80 (mods for white light solar), SV ED80 f7, Orion and SW 80 and 120 ED doublets, Orion 120 f8.3, Tasco 30x30, Edmund 40; Newtonians: AT 8”f4, OC 8”f6.3, Z12 f5, self made 6” f9, Orion XX14i; Catadioptrics: VMC110L, Intes MK66, Orion 102 MakCas f12.7, Celestron 9.25 SCT and 9.25 Edge. EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, TV Nagler, ES100s. Mounts: Orion Sirius EQG, Star Seeker III, Celestron CG5, Vixen Porta II, Losmandy G11

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