... By combining rotation periods and v sin i values we show that the distribution of sin i is not in accord with a random distribution of rotation axes. ...
... subs et of these sources show evidence f or rotation in t he inner jet channels ... The meas ured rat e of jet rotation is roughly equivalent to the ex pected orbital ...
... There are small rotations (few tenths of a degree) between the CCDs. ... often useful to explicitly specify the desired rotation of the WFPC2 field-of-view ... POS TARG from the aperture, and finally to rotate the target "in place" on the CCDs ...
... accuracy of an FOC image itself, including the correctness of the distortion model, the plate scale, and the image rotation ... The absolute calibration of the plate scale and rotation has been accomplished in two ways; firstly, by observations of an ...
... Typically, m2 will be a rotation matrix since then its transpose is its inverse (but this is NOT a requirement). ... In the typical use where m1 and m2 are rotation matrices, this not a risk at all.) . Exceptions Error free. Files None . ...
... have been defined for use with the WFPC2 filters which require partial rotations ... The partially rotated quad filters, which generally fall into more than one camera ...
... The plate scale and rotation of the image is contained in the CD MATRIX (CD?_? keywords). ... relative to the V2-V3 coordinate system; for example, the 45 degree rotation of the WFPC2 field-of-view relative to the V2-V3 ...
... Inferring internal rotation in stars . ... Inferring radial differential rotation . ... to improve and calibrate empirical age properties such as rotation and activity ...