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Astronomy in different wavelengths
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Astrosat and BeyondScience and Technology
Prospects
Biswajit PaulRaman Research Institute
The UNSEENs
Astronomy in different wavelengths
The UNSEENs: Rare, Hot Gas
The UNSEENS: Giant black holes
The UNSEENs: Ionised Matter
Cosmic Spectre !
The UNSEENs: Compact stars
Relativistic Iron Lines
Relativistic Iron Lines
MCG -6-30-15
Major Space MissionsChandra X-ray Observatory
XMM-Newton X-ray Observatory
IXAE
ASTORSAT
LAXPC: Effective Area
15
Accreting X-ray Pulsars
Thermonuclear X-ray Bursts etc.
Orbital evolution of X-ray binaries
LMC X-4 CenX-3 SMC X-1 4U 1538-52
4U 1822-37
Her X-1
XTE J1710-281
Cyg X-3XTE J1808-5635
EXO 0748-676
XTE J 1810-271
Her X-1
Double Compact Binaries Gravitational Wave EmittersShort Gamma-ray Bursts
X-ray Polarimetry
Thomson X-ray Polarimeter
•Photoelectron/Bragg: <
10 keV
•Thomson: 5-30 keV
•Compton :> 30 KeV
Thomson X-ray Polarimeter: Instrument
22
Accreting X-ray Pulsars
Deep Interplanetary Navigation with X-ray pulsars
ISRO HQ - 22 Apr 2014
Becker et al. 2013
Deep Interplanetary Navigation with X-ray pulsars
ISRO HQ - 22 Apr 2014
Becker et al. 2013
Interplanetary Navigation with X-ray Pulsars
A Technology Demonstration Experiment
ISRO HQ - 22 Apr 2014
“The knowledge of how to use stars, planets and stellar constellations for navigation was fundamental for mankind in discovering new continents and subduing living space in ancient times. It is fascinating to see how history repeats itself in that a special population of stars may play again a fundamental role in the future of mankind by providing a reference for navigating their spaceships through the Universe.”
Warner Becker (2013)