Publications

Scientific Publications from AstroSat

  1. Multiwavelength monitoring of NGC 1275 over a decade: evidence of a shift in synchrotron peak frequency and long-term multiband flux increase, MNRAS, S. Gulati et al., Volume 503, Issue 1, pp.446-457 (2021 March)

  2. UOCS - III. UVIT catalogue of open clusters with machine learning-based membership using Gaia EDR3 astrometry, MNRAS, V. V. Jadhav et al., Volume 503, Issue 1, pp.236-253 (2021 March)

  3. A machine learning approach for classification of accretion states of black hole binaries, MNRAS, H. Sreehari and A. Nandi, Volume 502, Issue 1, pp.1334-1343 (2021 March)

  4. Ultraviolet Imaging Telescope (UVIT) observation of the Galactic globular cluster NGC 7492, MNRAS, R. Kumar et al., Volume 502, Issue 1, pp.313-327 (2021 March)

  5. AstroSat view of IGR J17091-3624 and GRS 1915 + 105: decoding the 'pulse' in the 'Heartbeat State', MNRAS, Volume 501, Issue 4, pp.6123-6138 (2021 March)

  6. Broad-band 'spectro-temporal' features of extragalactic black hole binaries LMC X-1 and LMC X-3: an AstroSat perspective, MNRAS, Bhuvana, G. R. et al., Volume 501, Issue 4, p. 5457-5467 (2021 March)

  7. Thermonuclear X-ray bursts detected in Cyg X-2 using AstroSat/LAXPC, NewA, Devasia, J. et al., Volume 83, article id. 101479 (2021 February)

  8. Study of UV-bright stellar populations in the globular cluster NGC 1261 using Astrosat, MNRAS, Sharmila, R. et al., Volume 501, Issue 2, p. 2140-2155 (2021 February)

  9. AstroSat soft X-ray observations of the symbiotic recurrent nova V3890 Sgr during its 2019 outburst, MNRAS, Singh, K. P. et al., Volume 501, Issue 1, pp.36-49 (2021 January)

  10. UV spectroscopy confirms SU Lyn to be a symbiotic star, MNRAS Letter, Kumar, V. et al., Volume 500, Issue 1, p.L12-L16 (2021 January)

  11. A multiwavelength study of the dual nuclei in Mrk 212, MNRAS, Rubinur, K. et al., Volume 500, Issue 3, p. 3908-3919 (2021 January)

  12. Multiwavelength study of different flaring and low-activity states of blazar 4C+21.35, MNRAS, Bhattacharya, D. et al, Volume 500, Issue 1, p.1127-1138 (2021 January)

  13. AstroSat observations of the first Galactic ULX pulsar Swift J0243.6+6124, MNRAS, Beri, A. et al. , Volume 500, Issue 1, p.565-575 (2021 January)

  14. AstroSat view of GRS 1915+105 during the soft state: detection of HFQPOs and estimation of mass and spin, MNRAS, Sreehari, H. et al. ,Volume 499, Issue 4, p. 5891-5901 (2020 December)

  15. Coronal vertical structure variations in normal branch of GX 17+2: AstroSat's SXT and LAXPC perspective, MNRAS, Malu, S. et al., Volume 499, Issue 2, p. 2214-2228 (2020 December)

  16. UVIT/AstroSat studies of blue straggler stars and post-mass transfer systems in star clusters: detection of one more blue lurker in M67, JoAA, Subramaniam, A. et al., Volume 41, Issue 1, article id.45 (2020 December)

  17. The horizontal branch morphology of the globular cluster NGC 1261 using AstroSat, JoAA, Rani, S. et al.,Volume 41, Issue 1, article id.35 (2020 December)

  18. A spectral study of the black hole X-ray binary MAXI J1820+070 with AstroSat and NuSTAR, MNRAS, Chakraborty, S. et al., Volume 498, Issue 4, p. 5873-5884 (2020 November)

  19. Revisiting the spectral and timing properties of 4U 1909+07 with NuSTAR and Astrosat, MNRAS, Jaisawal, G. K. et al., Volume 498, Issue 4, pp.4830-4838 (2020 November)

  20. Estimation of the black hole spin in LMC X-1 using AstroSat, MNRAS, Mudambi, S. P. et al., Volume 498, Issue 3, p. 4404-4410 (2020 November)

  21. Proxima Centauri - the nearest planet host observed simultaneously with AstroSat, Chandra, and HST, MNRAS, Lalitha, S. et al., Volume 498, Issue 3, p. 3658-3663 (2020 November)

  22. Identifying the radiative components responsible for quasi-periodic oscillations of black hole systems, MNRAS, Garg, A. et al., Volume 498, Issue 2, p. 2757-2765, (2020 October)

  23. AstroSat view of LMC X-2: evolution of broad-band X-ray spectral properties along a complete Z-track, MNRAS, Agrawal, V. K., and Nandi, A., Volume 497, Issue 3, p. 3726-3733

  24. Time Evolution Of Cyclotron Line of Her X-1; A Detailed Statistical Analysis Including New ASTROSAT Data, MNRAS, S. Bala et al., Volume 497, Issue 1, p. 1029-1042 (2020 July)

  25. AstroSat and MAXI view of the Black Hole binary 4U 1630-472 during 2016 and 2018 Outbursts, MNRAS, B. E. Baby et al., Volume 497, Issue 1, p. 1197-1211 (2020 July)

  26. AstroSat Observations of GRO J2058+42 during the 2019 Outburst, K. Mukherjee et al., ApJ, Volume 897, Issue 1, id 79 (July 2020)

  27. Additional Calibration of the Ultraviolet Imaging Telescope on Board AstroSat, Tandon et al., The Astronomical Journal, Volume 159, Issue 4, id.158 (2020 April)

  28. AstroSat UVIT Survey of M31: Point-source Catalog, Leahy et al., The Astrophysical Journal Supplement Series, Volume 247, Issue 2, id.47 (2020 April)

  29. Study of Recent outburst in the Be/X-ray binary RX J0209.6-7427 with AstroSat: A new ultraluminous X-ray pulsar in the Magellanic Bridge?, A. D. Chandra et al., eprint arXiv:2004.04930 (2020 April)

  30. AstroSat observation of the Be/X-ray binary Pulsar 3A 0726-260 (4U 0728-25), J. Roy et al., eprint arXiv:2004.12372 (2020 April)

  31. Possible detection of a new cyclotron feature in 4U 1700–37, Bala et al., MNRAS, Volume 493, Issue 2, p.3045-3053 (2020 April)

  32. Correction to: AstroSat/LAXPC view of GX 17+2: spectral evolution along the Z-track, V. K. Agrawal et al., Astrophysics and Space Science, Volume 365, Issue 3, article id.56 (2020 March)

  33. The Calibration of the UVIT Detectors for the ASTROSAT Observatory, Leahy et al., Proceedings of the International Astronomical Union, 14(A30), 487-491 (2020 March)

  34. A broad-band look of the accreting millisecond X-ray pulsar SAXJ1748.9−2021 usingAstroSat and XMM-Newton, R. Sharma et al., MNRAS 492,4361–4368 (2020 March)

  35. AstroSat/LAXPC view of GX 17+2: spectral evolution along the Z-track, V. K. Agrawal et al., Astrophysics and Space Science, Volume 365, Issue 2, article id.41 (2020 February)

  36. Detection of the thermonuclear X-ray bursts and dips from the X-ray binary 4U 1323-62 with AstroSat/LAXPC, Bhulla et al., eprint arXiv:2002.08140 (2020 February)

  37. Unravelling the unusually curved X-ray spectrum of RGB J0710+591 using AstroSat observations, P. Goswami et al., MNRAS 492,796–803 (2020 February)

  38. AstroSat UVIT Observations of Her X-1, Leahy et al., The Astrophysical Journal, 889, 131 (2020 January)

  39. Unveiling the Temporal Properties of MAXI J1820+070 through AstroSat Observations, Mudambi et al., APJL, 889:L17(7pp) (2020 January)

  40. Prompt X-Ray Emission from Fast Radio Bursts--Upper Limits with AstroSat , Anumarlapudi et al., APJ, 888:40(10pp) (2020 January)

  41. Spectral and Timing Properties of the Galactic X-Ray Transient Swift J1658.2─4242 Using Astrosat Observations, Jithesh et al., APJ, 887:101(11pp) (2019 December)

  42. Timing analysis of Swift J1658.2-4242's outburst in 2018 with Insight-HXMT, NICER and AstroSat, Guangcheng Xiao et al., Journal of High Energy Astrophysics, Volume 24, p. 30-40 (2019 November)

  43. UVIT Open Cluster Study. II. Detection of Extremely Low Mass White Dwarfs and Post-Mass Transfer Binaries in M67, Jadhav, Sindhu, & Subramaniam, APJ, 886:13(22pp) (2019 November)

  44. A variable-frequency HFQPO in GRS 1915+105 as observed with AstroSat, T. M. Belloni et al., MNRAS 489,1037–1043 (2019 October)

  45. Prompt Emission Polarimetry of Gamma-Ray Bursts with the AstroSat CZT Imager, Chattopadhyay et al., APJ, 884:123(20pp), (2019 October)

  46. Spectro-timing analysis of MAXI J1535-571 using AstroSat, Y. Bhargava et al., MNRAS 488,720–727 (2019 September)

  47. Activity of the Red Dwarf FR Cnc from Observations with a Robotic IRT-20 Telescope at the Zvenigorod Observatory of INASAN, SAVANOV et al., Astronomy Letters, Volume 45, Issue 9, pp.602-604, (September 2019)

  48. Time-varying Polarized Gamma-Rays from GRB 160821A: Evidence for Ordered Magnetic Fields, Sharma et al., APJL, 882:L10(9pp), (2019 September)

  49. UVIT Open Cluster Study. I. Detection of a White Dwarf Companion to a Blue Straggler in M67: Evidence of Formation through Mass Transfer, Sindhu et al., APJ, 882:43(8pp), (2019 September

  50. AstroSat observation of GX 5-1: spectral and timing evolution, Y. Bhulla et al., RAA, Vol.19, No.8, 114(12pp) (2019 August)

  51. Broad-band reflection spectroscopy of MAXI J1535-571 using AstroSat: estimation of black hole mass and spin, N. Sridhar et al., MNRAS487,4221–4229 (2019 August)

  52. AstroSat view of MAXI J1535-571: broad-band spectro-temporal features, H. Sreehari et al., MNRAS487,928–941 (2019 July)

  53. Pulse Phase Variation of the Cyclotron Line in HMXB 4U 1907+09 with AstroSat LAXPC, Varun et al., APJ, 880:61(7pp), (2019 July

  54. A stochastic propagation model to the energy dependent rapid temporal behaviour of Cygnus X-1 as observed by AstroSat in the hard state, B. Maqbool et al., MNRAS 486,2964–2975 (2019 June)

  55. The Period Change of Cyg X-3, Antokhin & Cherepashchuk, APJ, 871:244(7pp), (2019 February)

  56. Investigation of the Globular Cluster NGC 2808 with the Ultra-Violet Imaging Telescope, R. Jain, S. Vig, and S. K. Ghosh, MNRAS, 485,2877–2888 (2019)

  57. Detection of a White Dwarf Companion to a Blue Straggler Star in the Outskirts of Globular Cluster NGC 5466 with the Ultraviolet Imaging Telescope (UVIT), Sahu et al., APJ,876:34 (2019)

  58. A stochastic propagation model to the energy dependent rapid temporal behaviour of Cygnus X-1 as observed by AstroSat in the hard state, B. Maqbool et al., MNRAS 486, 2964–2975 (2019)

  59. Probing the Cyclotron line characteristics of 4U 1538-522 using AstroSat-LAXPC , V. Mitra et al,MNRAS 484L, 1V (2019)

  60. Thermonuclear X-ray bursts in rapid succession in 4U 1636-536 with AstroSat-LAXPC, A. Beri et al,MNRAS 482, 4397B (2019)

  61. LAXPC/AstroSat Study of ∼1 and ∼2 mHz Quasi-periodic Oscillations in the Be/X-Ray Binary 4U 0115+63 during Its 2015 Outburst, J. Roy et al, ApJ 872, 33R (2019)

  62. AstroSat SXT Observations of Her X-1, D. A. Leahy, and Y. Chen, ApJ 871, 152L (2019)

  63. UVIT-HST-GAIA view of NGC 288: a census of the hot stellar population and its properties from UV, S. Snehalata et al,MNRAS 182, 1080S (2019)

  64. Study of Timing Evolution from Nonvariable to Structured Large-amplitude Variability Transition in GRS 1915 + 105 Using AstroSat, D. Rawat et al, ApJ 870, 4R (2019)

  65. Planetary nebulae with UVIT. II. Revelations from far-UV vision of Butterfly nebula NGC 6302, N. Kameswara Rao et al, A&A 620A,138K (2018)

  66. A study of the star-forming regions in the spiral galaxy NGC 2336 using the Ultraviolet Imaging Telescope (UVIT), P. T. Rahna et al,MNRAS 481, 1212R (2018)

  67. UVIT Imaging of WLM: Demographics of Star-forming Regions in the Nearby Dwarf Irregular Galaxy, C. Mondal, AJ, 156, 109M (2018)

  68. The PoGO+ view on Crab off-pulse hard X-ray polarization, M. Chauvin et al,MNRAS 477L, 45C (2018)

  69. Characterization of the HD 219134 multiplanet system I. Observations of stellar magnetism, wind, and high-energy flux, C.P. Folsom et al, MNRAS 481, 5286 (2018), arXiv:1808.00406

  70. ASTROSAT/UVIT Survey of M31, First Results: UV-bright Stars in the Bulge, D.A. Leahy, L. Bianchi & J.E. Postma, AJ 156, 269 (2018)

  71. Thermonuclear X-ray bursts in rapid succession in 4U 1636-536 with AstroSat-LAXPC, A. Beri et al, MNRAS (2018), arXiv:1811.10030

  72. AstroSat and Chandra View of the High Soft State of 4U 1630–47 (4U 1630–472): Evidence of the Disk Wind and a Rapidly Spinning Black Hole, M. Pahari et al, ApJ  867, 86 (2018), arXiv:1810.01275

  73. Detection of a cyclotron line in SXP 15.3 during its 2017 outburst, C. Maitra, Bpaul, F. Haberl & G. Vasilopoulos, MNRAS 480, L136 (2018), arXiv:1807.10696

  74. Standardization in the UV with Astrosat and its issues related to star cluster studies, Shah, P., arXiv:1810.03187

  75. The Period Change and Long-Term Variability of Cyg X-3, I.I. Antokhin & A.M. Cherepaschul, arXiv:1807.00817

  76. The Enigma of Star Formation at High Galactic Latitudes, P. Hasan, arXiv:1802.06782

  77. AstroSat-CZTI detection of variable prompt emission polarization in GRB 171010A, V. Chand et al, arXiv:1807.01737

  78. Violation of synchrotron line of death by the highly polarized GRB 160802A, V. Chand et al, arXiv:1806.06847

  79. Timing Offset Calibration of CZTI instrument aboard ASTROSAT, A. Basu et al, arXiv:1806.01066

  80. UVIT view of ram-pressure stripping in action: Star formation in the stripped gas of the GASP jellyfish galaxy JO201 in Abell 85, K. George et al, MNRAS (2018) arXiv:1803.06193

  81. Long-term X-ray variability characteristics of the narrow-line Seyfert 1 galaxy RE J1034+396, K. Chaudhury et al, MNRAS, 478, 4830 (2018)

  82. Spectral and timing properties of atoll source 4U 1705-44: LAXPC/AstroSat results, V.K. Agrawal et al, MNRAS, 477, 5437 (2018) arXiv:1804.08371

  83. Effects of Thermonuclear X-Ray Bursts on Non-burst Emissions in the Soft State of 4U 1728–34, S. Bhattacharyya et al, ApJ, 860, 88 (2018) arXiv:1805.05393

  84. Possible Accretion Disk Origin of the Emission Variability of a Blazar Jet, R. Chatterjee et al, ApJ, 859, L21 (2018) arXiv:1805.06222

  85. A study of the star forming regions in the spiral galaxy NGC 2336 using the Ultraviolet Imaging Telescope (UVIT), P.T. Rahna et al,, MNRAS 421, 1212 (2018), arXiv:1803.00506

  86. Dissecting star formation in the "Atoms-for-Peace" galaxy. UVIT observations of the post-merger galaxy NGC7252, K. George et al, A&A, 614, A130 (2018) arXiv:1802.09493

  87. UVIT observations of the star-forming ring in NGC 7252: Evidence of possible AGN feedback suppressing central star formation, K. George et al, A&A, 613, L9 (2018) arXiv:1805.03543

  88. Study of X-ray transients with Scanning Sky Monitor (SSM) onboard AstroSat, M.C. Ramadevi et al, JoAA, 39, 11 (2018)

  89. Extensive Broadband X-Ray Monitoring During the Formation of a Giant Radio Jet Base in Cyg X-3 with AstroSat, M. Pahari et al, ApJ, 853, L11 (2018) arXiv:1801.03724

  90. Phase-resolved X-ray polarimetry of the Crab pulsar with the AstroSat CZT Imager, S. Vadawale et al, Nature Astronomy 2, 50 (2018);  Author Correction

  91. Planetary nebulae with UVIT: Far ultra-violet halo around the Bow Tie nebula (NGC 40), N.K. Rao et al, A&A, 609, L1 (2018) arXiv:1711.07698

  92. High energy transients: The millisecond domain, A.R. Rao, JoAA, 39, 2 (2018) arXiv:1711.00266

  93. A Precise Measurement of the Orbital Period Parameters of Cygnus X-3, Y. Bhargava et al, ApJ, 849, 141 (2018) arXiv:1709.04441

  94. The Horizontal Branch Population of NGC 1851 as Revealed by the Ultraviolet Imaging Telescope (UVIT), A. Subramaniam et al, AJ, 154, 233 (2017) arXiv:1710.03730

  95. CCDLAB: A Graphical User Interface FITS Image Data Reducer, Viewer, and Canadian UVIT Data Pipeline, J. Postma and D. Leahy, PASP 129, 115002 (2017)

  96. Investigating the in-flight performance of the UVIT payload on AstroSat, P.T. Rahna et al, MNRAS 471, 3028 (2017) arXiv:1706.02523

  97. X-Ray Timing Analysis of Cyg X-3 Using AstroSat/LAXPC: Detection of Milli-hertz Quasi-periodic Oscillations during the Flaring Hard X-Ray State, M. Pahari et al, ApJ 849, 16 (2017) arXiv:1709.06353

  98. Scanning sky monitor (SSM) onboard AstroSat, M.C. Ramadevi et al, ExA 44, 11 (2017)

  99. Cadmium Zinc Telluride Imager onboard AstroSat : a multi-faceted hard X-ray instrument, A.R. Rao et al, arXiv:1710.10773

  100. Illuminating Gravitational Waves: A Concordant Picture of Photons from a Neutron Star Merger, M. Kasliwal et al, Science (2017) arXiv:1710.05436

  101. Multi-messenger Observations of a Binary Neutron Star Merger, B.P. Abbott et al, ApJ 848, L12 (2017) arXiv:1710.05833

  102. Observing Compact Stars with AstroSat, D.Bhattacharya, JOAA 38, 51 (2017) arXiv:1709.07152

  103. Surprise in simplicity: an unusual spectral evolution of a single pulse GRB 151006A, R. Basak et al, MNRAS 472, 891, arXiv:1707.09924

  104. Prompt emission polarimetry of Gamma Ray Bursts with ASTROSAT CZT-Imager, T. Chattopadhyay et al, arXiv:1707.06595

  105. AstroSat: From Inception to Realization and Launch, P.C. Agrawal, JOAA, 38, 27 (2017)

  106. AstroSat - Configuration and Realization, Navalgund, K.H. et al, JOAA, 38, 34 (2017)

  107. Planning and Scheduling of Payloads of AstroSat During Initial and Normal Phase Observations, R. Pandiyan et al, JOAA 38, 35 (2017)

  108. Early In-orbit Performance of Scanning Sky Monitor Onboard AstroSat, M.C. Ramadevi et al, JOAA, 38, 32 (2017)

  109. A tale of two transients: GW170104 and GRB170105A, V. Bhalerao et al, ApJ, 845, 152 (2017) arXiv:1706.00024

  110. Large Area X-Ray Proportional Counter (LAXPC) Instrument on AstroSat and Some Preliminary Results from its Performance in the Orbit, P.C. Agrawal et al, JOAA, 38, 30 (2017) arXiv:1705.06446

  111. In-orbit Calibrations of the Ultra-Violet Imaging Telescope, S.N. Tandon et al, AJ 124, 128 (2017) arXiv:1705.03715

  112. AstroSat/LAXPC detection of milli-second phenomena in 4U 1728-34, Jai Verdhan Chauhan et al, ApJ 841, 41 (2017) arXiv:1704.04931

  113. Calibration of the Large Area X-ray Proportional Counter (LAXPC) instrument on-board AstroSat, H.M. Antia et al, ApJS 231, 10 (2017), arXiv:1702.08624

  114. Soft X-ray focusing Telescope aboard AstroSat: Design, Characteristics and Performance, K.P. Singh et al, JOAA, 38, 29 (2017)

  115. Mapping distortion of detectors in UVIT onboard AstroSat observatory, V. Girish et al, Experimental Astronomy, 43, 59 (2017)

  116. AstroSat/LAXPC observation of Cygnus X-1 in the hard state, Ranjeev Misra et al ApJ 835, 195 (2017), arXiv:1612.08793

  117. In-orbit Performance of UVIT and First Results, S.N. Tandon et al, JOAA, 38, 28 (2017) arXiv:1612.00612

  118. Charged Particle Monitor on the AstroSat mission, A. R. Rao et al, JOAA, 38, 33 (2017) arXiv:1608.06038

  119. JUDE: An Ultraviolet Imaging Telescope pipeline, J. Murthy et al 2017 Astronomy and Computing 20, 120, arXiv:1607.01874

  120. The Cadmium Zinc Telluride Imager on AstroSat, V. Bhalerao et al, JOAA, 38, 31 (2017) arXiv:1608.03408

  121. A hot companion to a blue straggler in NGC 188 as revealed by the Ultraviolet Imaging Telescope (UVIT) on ASTROSAT, Annapurni Subramaniam et al, ApJ 833, L27 (2016) arXiv:1612.02535

  122. In-orbit performance of AstroSat CZTI, Santosh V. Vadawale et al arXiv:1609.00538

  123. AstroSat CZT Imager observations of GRB 151006A: timing, spectroscopy, and polarisation study, A. R. Rao et al, ApJ 833, 86 (2016) arXiv:1608.07388

  124. AstroSat/LAXPC reveals the high energy variability of GRS 1915+105 in the chi class, J. S. Yadav et al, ApJ 833, 27 (2016), arXiv:1608.07023 

  125. In-orbit performance of SXT aboard AstroSat, Kulinder Pal Singh et al, 2016 SPIE 9905E..1E

  126. Large Area X-ray Proportional Counter (LAXPC) instrument onboard ASTROSAT, J.S. Yadav et al, 2016 SPIE 9905E..1D 

  127. AstroSat - a multi-wavelength astronomy satellite, A R Rao et al, arXiv:1608.06051

  128. In-orbit performance of UVIT on ASTROSAT, A. Subramaniam et al, 2016 SPIE 9905E, 1F, arXiv:1608.01073

  129. Performance of large area x-ray proportional counters in a balloon experiment, Roy. J., ExA 42, 249R (2016)

  130. Hard X-ray polarimetry with Astrosat-CZTI, S. Vadawale et al., A&A 528A, 73V (2015),

  131. High-gain effects minimized at the ends of the anodes in position sensitive gas proportional counters for SSM on ASTROSAT, M. C. Ramadevi et al., ExA 39, 11R (2015)

  132. AstroSat Mission, Kulinder Pal Singh et al, SPIE 9144E..1SS (2014)