Tony,

The AY 155 lectures are scheduled on Thursdays 2:30 - 4 p.m., and 
Fridays 1 - 2:30 p.m.  Shown below is my proposed breakdown; basically,
I took all the lectures when I will be in town.

Date		Instructor	Topic
------------	----------	----------------------------------------------

Thu. Apr. 6	Djorgovski	Distance scale review, H0, age constraints
Fri. Apr. 7	Djorgovski	Isotropy, homogeneity, FRW metric
Thu. Apr. 13	Djorgovski	Friedman eq., kinematics, propag. of light rays
Fri. Apr. 14	Djorgovski	Hubble diag., q0, lambda0, cosmol. tests
Thu. Apr. 20	Djorgovski	Galaxy formation, evolution, mergers

Fri. Apr. 21	Readhead	????

Thu. Apr. 27	Djorgovski	Gal. clus. x-rays, cooling flows, more mergers

Fri. Apr. 28	Readhead	????

Thu. May 4	Djorgovski	Intergalactic medium, absorbers

Fri. May 5	Readhead	????

Thu. May 11	Djorgovski	AGN, quasars (I)
Fri. May 12	Djorgovski	AGN, quasars (II)

Thu. May 18	Readhead	????
Fri. May 19	Readhead	????
Thu. May 25	Readhead	????
Fri. May 26	Readhead	????

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Tony to do (revise if needed):

Cyclotron & synchrotron rad.				3
Synchrotron self-abs. and lifetimes, equipart.		2
Compton, inverse Compton				1
Extragal. radiosources					2
Jets and beaming					2
Pulsars							1
Standard big bang, nucleosynth., recomb., MWB		3

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Please let me know if this is OK.  We should probably talk about the
changes, details, etc.  If there are dates when both of us are out of
town, perhaps we can ask Shri or Sterl or ?? to step in?  Thanks,

								G.