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COSMOS Magellan Spectroscopy Chris Impey and Jonathan Trump Steward Observatory Martin Elvis (CfA), John Huchra (CfA), Pat McCarthy (Carnegie)

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Presentation on theme: "COSMOS Magellan Spectroscopy Chris Impey and Jonathan Trump Steward Observatory Martin Elvis (CfA), John Huchra (CfA), Pat McCarthy (Carnegie)"— Presentation transcript:

1 COSMOS Magellan Spectroscopy Chris Impey and Jonathan Trump Steward Observatory Martin Elvis (CfA), John Huchra (CfA), Pat McCarthy (Carnegie)

2 Magellan IMACS Inamori Magellan Areal Camera and Spectrograph Multi-object spectrograph 30’ diameter field Our configuration: 5400-9200 Å spectra 1” × 11” nod & shuffle slits Resolution: 10 Å

3 Tiling Strategy Top: XMM coverage (RA is reverse from at right). Edge effects necessitate overlap Right: Single-pass IMACS strategy, ~5 hours each field

4 Slit Maps 30’ Mask / Sky PlaneDetector Plane Field 11, with 221 targets

5 Targeting Strategy and Yields Six types of targets with i’<24: x-ray selected AGN (XMM), priority 1 radio selected AGN (VLA), priority 2 BZK, priority 3 Optically selected z~3-5 AGNs (Peter), priority MH B, V, and i dropouts (Mauro), priority 3/3/MH z>1.5 phot-z selected galaxies (Bahram), priority 5 Yields (average of center fields): 60% xagn (54/89) 37% ragn (28/76) 14% bzk (2/14) 100% oagn (15/15) 10% bdrop (55/574), 6% vdrop (7/126), and 100% idrop (2/2) 4% highz (57/1468)

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