RX J0947.0+4721 - an extremely soft Narrow Line QSO

K. Molthagen, N. Bade, H. J. Wendker

RX J0947.0+4721 is a newly discovered example of a narrow-line Seyfert 1 type object with a quasar level luminosity (M_B = -24.8). It was detected in the ROSAT All-Sky Survey (RASS…