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astro-ph2000
A New Narrow-Line Seyfert 1 galaxy : RXJ1236.9+2656
G. C. Dewangan, K. P. Singh, Paula Szkody +1
We report identification of a narrow-line Seyfert 1 galaxy RXJ1236.9+2656. X-ray emission from the NLS1 galaxy undergoes long-term variability with 0.1--2.0 keV flux changing by a…
astro-ph2000
Discovery of a narrow line Seyfert 1 galaxy
K. P. Singh, L. R. Jones
We have discovered a Narrow-Line Seyfert 1 (NLS1) galaxy and identified it with an ultrasoft X-ray source RX 215319-1514 detected with ROSAT. We present its X-ray and optical spect…