SIMBAD references

Further to IAUC 8154, M. F. Corcoran writes that an RXTE observation of eta Car on June 29 shows that the 2-10-keV x-ray emission has fallen to 8.3 x 10**-13 erg s**-1 cm**-2; eta Car has not been this faint in x-rays since the last x-ray minimum during Dec. 1997-Jan. 1998. Information on known space and ground-based observations is given at http://lheawww.gsfc.nasa.gov/users/corcoran/eta_car/2003.5/.