Detailed spectrophotometry in the visual and near-infrared is presented for four different slit positions over the core of NGC 604. The excitation ([O II]/[O III]) varies considerably both along the slit and between different slit positions, but the line ratios ([O II]+[O III])/Hβ, [N II]/[O II], [N II]/[S II] and ([O II]/Hβ)×([O II]/[S II]) are

The authors present optical and near infrared photometry, covering from 0.36 to 2.3 microns, for a wide sample of red giant stars in the globular cluster M3. These measurements are used to make a first attempt in order to apply the Infrared Flux Method to obtain the observational (L - Teff) diagram for cluster stars. The peculiarities of the method

Extensive high sensitivity observations of the cosmic microwave background have been made on an angular scale of 8° covering a substantial fraction of the northern sky. An observed anisotropy in the sky emission at a level of ΔT/T = 3.7×10-5 has been detected (T is temperature). This level should strictly be interpreted as an upper limit to the

IAUC 4368 available at Central Bureau for Astronomical Telegrams. IAUC 4368 available at Central Bureau for Astronomical Telegrams.

Not Available

The present examination of general relativistic effect on the lag time between continuum and emission line variations in the broad line notes that in the case where the primary source region lies within the range of a strong gravitational field, simultaneity surfaces in the ionized gas are different from those obtained without accounting for the