... 337, 275­292 (2002) The correlation of line strength with luminosity and redshift from composite quasi-stellar object spectra S. M. Croom,1 K. Rhook,1 E. A. Corbett,1 B. J. Boyle,1 H. Netzer,2 N. S. Loaring,3 L ... We measure highly significant Baldwin effects for most broad emission lines (C IV 1549, C III] 1909, Mg II 2798, H ,H ) and show that they are predominantly caused by correlations with luminosity, not redshift. ... The correlations of log W with log(1 + z ) for each line. ...

... 364, 479--490 (2000) ASTRONOMY AND ASTROPHYSICS Decoupled nuclei and nuclear polar rings in regular spiral galaxies NGC 7217 # O.K. Sil'chenko 1,##,### and V.L. Afanasiev 2,+ 1 Sternberg Astronomical Institute, University av. ... Kinematics of stars and gas in NGC 7217 4.1. ... Two­dimensional line­of­sight velocity fields for the stars (left) and for the ionized gas (middle), and the map of the stellar velocity dispersion (right) in the central 16 ## в 16 ## of NGC 7217. ...

The following interview of Dr. Robert Seamans was conducted in Cambridge, Massachusetts by Michelle Kelly on November 20, 1998.] ... What I'd first like to ask you is, I think, where we left off last time is we discussed the decision to go to the moon and how that decision came about. ... Seamans: Sure. ... But one of the committees, I think it was the Heaton Committee, had to do with the best way to go to the moon. ... One was how soon could we go to the moon. ... Return to JSC Oral History Website . ...