Publications of the Astronomical Society of the Pacific, Volume 106, Issues 695-702Astronomical Society of the Pacific, 1994 |
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Page 205
... Blue Stragglers , Relative Ages , and the Horizontal Branch ATA SARAJEDINI Thesis work conducted at : Yale University Department of Astronomy Current address : NOAO / KPNO , P.O. Box 26732 , Tucson , Arizona 85726 Electronic mail : ata ...
... Blue Stragglers , Relative Ages , and the Horizontal Branch ATA SARAJEDINI Thesis work conducted at : Yale University Department of Astronomy Current address : NOAO / KPNO , P.O. Box 26732 , Tucson , Arizona 85726 Electronic mail : ata ...
Page 251
... blue stragglers , blue subdwarfs , or a truncated main sequence are responsible for the color gradient seen in M15 , the validity of the perceived Ha gradient as an argument in their favor remains in doubt . In a preliminary discussion ...
... blue stragglers , blue subdwarfs , or a truncated main sequence are responsible for the color gradient seen in M15 , the validity of the perceived Ha gradient as an argument in their favor remains in doubt . In a preliminary discussion ...
Page 409
... blue horizontal - branch ( HB ) stars in NGC 6535 and the HB fiducial of M15 , which has been shifted by +0.35 in B - V and -0.10 in V. The dashed box represents the location of the RR Lyraes in M15 while the dashed line is the NGC 6535 ...
... blue horizontal - branch ( HB ) stars in NGC 6535 and the HB fiducial of M15 , which has been shifted by +0.35 in B - V and -0.10 in V. The dashed box represents the location of the RR Lyraes in M15 while the dashed line is the NGC 6535 ...
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abundance additional analysis appear associations assumed Astronomical average binary blue bright calibration catalog central clouds cluster color compared correction derived detection determined discussed distance distribution dwarf eclipse effects emission errors estimate et al evidence evolution field Figure flux frame function galaxies giants given groups included increase indices less light limit lines luminosity magnitude mass mean measured MNRAS nebulae noted objects observations obtained optical orbital PASP period phase photometric pixels position possible present probably quasars range ratio reduced reference region relation relative rotation sample scale scatter secondary shown similar sources spectral spectrum standard stars stellar stellar winds suggests surface survey Table telescope temperature tion University values variability velocity wavelength X-ray