Figure 4 from ASTROSAT/LAXPC REVEALS THE HIGH-ENERGY VARIABILITY OF GRS 1915+105 IN THE χ CLASS

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ASTROSAT/LAXPC REVEALS THE HIGH-ENERGY VARIABILITY OF GRS 1915+105 IN THE χ CLASS

Authors: J S Yadav, Ranjeev Misra, Jai Verdhan Chauhan, P C Agrawal, H M Antia, Mayukh Pahari, Dhiraj Dedhia, Tilak Katoch, P. Madhwani, R K Manchanda, B Paul, Parag Shah, and C H Ishwara-Chandra

2016 The Astrophysical Journal 833 27.

Provider: AAS Journals

Caption: Figure 4.

High-frequency rebinned power spectra for a 2.3 ksec observation of GRS 1915+105 in the χ class. The power spectra matches well with the predicted Poisson noise level with a dead time of ﹩\tau =42.3﹩ microseconds and a low-frequency power-law component. The green line shows the expected peak power of a QPO with quality factor Q = 4 and rms of 5%. LAXPC would have detected a QPO of such a strength easily till 3000 Hz.

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