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P. Zhao, J. Grindlay, J. Hong, S. Laycock, X. Koenig, E. Schlegel, M. van den Berg (CfA), H. Cohn, P. Lugger, A. Rogel (Indiana U.)
We have conducted the optical identification program for the Chandra Multiwavelength Plane (ChaMPlane) Survey in 56 fields, using the CTIO and KPNO/4m/Mosaic camera (FoV 36\prime\times36\prime) with V, R, I and H\alpha filters, for 129 Chandra ACIS observations from Cycle 1--5. Among those, 23 Mosaic fields are within the galactic bulge region (|b| < 10\circ and |l| < 20\circ) and cover 76 Chandra observations. In the galactic center region, we made 6 Mosaic pointings to cover 2.2 square degrees and 50 Chandra observations, which include 30 pointings of the galactic center survey by Wang et al., and 14 deep SgrA* observations by Muno et al. Spectroscopic follow-ups for the Chandra optical counterparts were also conducted using the Magellan and CTIO/4m telescopes. We present optical results for this deep X-ray/Optical survey of the galactic center region.
This work is supported by Chandra grants AR2-3002A, AR3-4002A and AR4-5003A and NSF grant AST-0098683.
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Bulletin of the American Astronomical Society, 36 #3
© 2004. The American Astronomical Soceity.