76 citations · 91 across the 2 of their papers we have counts for
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astro-ph2007★ 15 cited
A possible disk mechanism for the 23d QPO in Mkn~501
J. H. Fan, F. M. Rieger, T. X. Hua +7
Optically thin two-temperature accretion flows may be thermally and viscously stable, but acoustically unstable. Here we propose that the O-mode instability of a cooling-dominated…
astro-ph2005★ 76 cited
Intra-night Optical Variability of Luminous Radio Quiet QSOs
A. C. Gupta, U. C. Joshi
In the present paper we report the detection of intra-night variability in some of the RQQSOs and one LDQ. To study intra-night variability, we carried out photometric monitoring o…
astro-ph1999
Star formation along a misaligned bar in the peculiar starburst galaxy Mkn 439
Aparna Chitre, U. C. Joshi, S. Ganesh
We report the detection of massive star formation along a bar in the peculiar starburst galaxy Mkn 439. We present optical B, R and H_alpha + [NII] emission line images as well as…