IISER MOHALI

2022 - 2027 : Editor, New Astronomy

2021 - 2026 : Associate Editor, Resonance

2023 - 2025 : Chairperson, Scientific Organisation Committee, Astronomical Society of India

1999 - 2010 : Faculty member, Harish-Chandra Research Institute, Allahabad, India

1996 - 1998 : Post-doctoral research associate, Institute of Astronomy, University of Cambridge, UK

1998 - 1999 : Post-doctoral research associate, Harvard-Smithsonian Centre for Astrophysics, USA

1992 - 1996 : PhD, IUCAA, Pune, India

1990 - 1992 : M.Sc. Physics, University of Delhi

1986 - 1990 : B.Sc.(H) Physics, University of Delhi

Member of the drafting group for the Astronomy and Astrophysics component of the Mega Science Vision-2035 Exercise for India instituted by the office of the Principal Scientific Advisor in 2022.

Editor for Research in Astronomy and Astrophysics during 2009-2013

Member of academic committee, International Olympiad for Astronomy and Astrophysics 2016 held at NISER Bhubaneswar

Chairperson, GMRT Time Allocation Committee during 2012-2015

Member, of the programme advisory committee (PAC) in the area of Physics, Astrophysics and Lasers for considering bilateral proposals submitted to the Department of Science and Technology (DST) under the International Bilateral Cooperation Division (IBCD) during 2020-2022

Member of the council of Indian Association for General Relativity and Gravitation (IAGRG) for the period 2016-2019

Member of the NCRA-TIFR Management Board during 2015-2018

Member as well as the secretary of the National Committee of IAU (ICSU-IAU) during 2008−2015

Member of the council of the BRICS Association of Gravity, Astrophysics and Cosmology during 2016-2020

Secretary of the Astronomical Society of India for three years during 2010-2013

Member of the panel on Theoretical Astrophysics that prepared the Decadal Vision Document for Astronomy & Astrophysics (2000-2003)

1. Ankit Singh, Shreya Davessar, Mamta Gulati, Jasjeet Singh Bagla and Meenu Prajapati. Study of dependence of ram pressure stripping on the orbital parameters of the galaxies. \mnras 530(1):699-709, 2024. DOI

2. Apurba Bera, Nissim Kanekar, Jayaram N Chengalur and Jasjeet S Bagla. {Atomic Hydrogen Scaling Relations at z {\ensuremath\approx} 0.35}. \apjl 950(2):L18, June 2023. DOI

3. Swati Gavas, Jasjeet Bagla, Nishikanta Khandai and Girish Kulkarni. Halo mass function in scale invariant models. \mnras 521(4):5960-5971, 2023. DOI

4. Apurba Bera, Nissim Kanekar, Jayaram N Chengalur and Jasjeet S Bagla. The Gas Accretion Rate of Star-forming Galaxies over the Last 4 Gyr. \apjl 956(1):L15, 2023. DOI

5. Ashish Kumar Meena and Jasjeet Singh Bagla. Exotic image formation in strong gravitational lensing by clusters of galaxies - IV. Elliptical NFW lenses and hyperbolic umbilics. \mnras 526(3):3902-3919, 2023. DOI

6. Rahul Ramesh, Ashish Kumar Meena and Jasjeet Singh Bagla. Wave effects in double-plane lensing. Journal of Astrophysics and Astronomy 43(2):38, December 2022. DOI

7. Sauraj Bharti and J ~S Bagla. Upcoming SKA precursor surveys and sensitivity to HI mass function. Journal of Astrophysics and Astronomy 43(2):95, December 2022. DOI

8. Apurba Bera, Nissim Kanekar, Jayaram N Chengalur and Jasjeet S Bagla. The HI Mass Function of Star-forming Galaxies at z 0.35. \apjl 940(1):L10, November 2022. DOI

9. Rahul Ramesh, Ashish Kumar Meena and Jasjeet Singh Bagla. Gravitational lensing of core-collapse supernova gravitational wave signals. Journal of Astrophysics and Astronomy 43(1):5, June 2022. DOI

10. Ashish Kumar Meena and Jasjeet Singh Bagla. Exotic image formation in strong gravitational lensing by clusters of galaxies - III. Statistics with HUDF. \mnras 515(3):4151-4160, 2022. DOI

11. Ashish Kumar Meena, Anuj Mishra, Anupreeta More, Sukanta Bose and Jasjeet Singh Bagla. Gravitational lensing of gravitational waves: Probability of microlensing in galaxy-scale lens population. \mnras 517(1):872-884, 2022. DOI

12. Anuj Mishra, Ashish Kumar Meena, Anupreeta More, Sukanta Bose and Jasjeet Singh Bagla. Gravitational lensing of gravitational waves: effect of microlens population in lensing galaxies. \mnras 508(4):4869-4886, December 2021. DOI

13. Manvendra Pratap Rajvanshi, Avinash Singh, H ~K Jassal and J ~S Bagla. Tachyonic vs quintessence dark energy: linear perturbations and CMB data. Classical and Quantum Gravity 38(19):195001, October 2021. DOI

14. Ashish Kumar Meena, Agniva Ghosh, Jasjeet S Bagla and Liliya L ~R Williams. Exotic image formation in strong gravitational lensing by clusters of galaxies - II. Uncertainties. \mnras 506(1):1526-1539, September 2021. DOI

15. Ashish Kumar Meena and Jasjeet Singh Bagla. Exotic image formation in strong gravitational lensing by clusters of galaxies - I. Cross-section. \mnras 503(2):2097-2107, May 2021. DOI

16. Manvendra Pratap Rajvanshi and J ~S Bagla. Non-linear spherical collapse in tachyon models and a comparison of collapse in tachyon and quintessence models of dark energy. Classical and Quantum Gravity 37(23):235008, December 2020. DOI

17. Jayanta Dutta, Sharanya Sur, Athena Stacy and Jasjeet Singh Bagla. Modeling the Survival of Population III Stars to the Present Day. \apj 901(1):16, September 2020. DOI

18. Ankit Singh, Smriti Mahajan and Jasjeet Singh Bagla. Study of galaxies on large-scale filaments in simulations. \mnras 497(2):2265-2275, September 2020. DOI

19. Ashish Kumar Meena and Jasjeet Singh Bagla. Gravitational lensing of gravitational waves: wave nature and prospects for detection. \mnras 492(1):1127-1134, 2020. DOI

20. Ashish Kumar Meena and J ~S Bagla. Finding singularities in gravitational lensing. \mnras 492(3):3294-3305, 2020. DOI

21. Manvendra Pratap Rajvanshi and J ~S Bagla. Reconstruction of dynamical dark energy potentials: Quintessence, tachyon and interacting models. Journal of Astrophysics and Astronomy 40(6):44, November 2019. DOI

22. Ankit Singh, Mamta Gulati and Jasjeet S Bagla. Ram pressure stripping: an analytical approach. \mnras 489(4):5582-5593, November 2019. DOI

23. Apurba Bera, Nissim Kanekar, Jayaram N Chengalur and Jasjeet S Bagla. Atomic Hydrogen in Star-forming Galaxies at Intermediate Redshifts. \apjl 882(1):L7, September 2019. DOI

24. Sandeep Rana and Jasjeet S Bagla. Angular clustering of point sources at 150 MHz in the TGSS survey. \mnras 485(4):5891-5896, June 2019. DOI

25. Sandeep Rana and Jasjeet S Bagla. Erratum: Angular clustering of point sources at 150 MHz in the TGSS survey. \mnras 487(2):1821-1822, 2019. DOI

26. Sandeep Rana, Tuhin Ghosh, Jasjeet S Bagla and Pravabati Chingangbam. Non-Gaussianity of diffuse Galactic synchrotron emission at 408 MHz. \mnras 481(1):970-980, November 2018. DOI

27. Manvendra Pratap Rajvanshi and J ~S Bagla. Nonlinear spherical perturbations in quintessence models of dark energy. \jcap 2018(6):018, June 2018. DOI

28. Bharat Kumar Gehlot and J ~S Bagla. {Prospects of Detecting HI using Redshifted 21-cm Radiation at z{\ensuremath\sim}3}. Journal of Astrophysics and Astronomy 38(1):13, March 2017. DOI

29. Priyanka Singh, Sandeep Rana, Jasjeet S Bagla and Biman B Nath. Suppression of galactic outflows by cosmological infall and circumgalactic medium. \mnras 459(1):2-8, June 2016. DOI

30. Sourav Mitra, Girish Kulkarni, J ~S Bagla and Jaswant K Yadav. Formation rates of dark matter haloes. Bulletin of the Astronomical Society of India 39:563-591, December 2011. DOI

31. J ~S Bagla, Nishikanta Khandai and Kanan K Datta. HI as a probe of the large-scale structure in the post-reionization universe. \mnras 407(1):567-580, September 2010. DOI

32. Jaswant K Yadav, J ~S Bagla and Nishikanta Khandai. Fractal dimension as a measure of the scale of homogeneity. \mnras 405(3):2009-2015, July 2010. DOI

33. H ~K Jassal, J ~S Bagla and T Padmanabhan. Understanding the origin of CMB constraints on dark energy. \mnras 405(4):2639-2650, 2010. DOI

34. J ~S Bagla, Girish Kulkarni and T Padmanabhan. Metal enrichment and reionization constraints on early star formation. \mnras 397(2):971-978, August 2009. DOI

35. Nishikanta Khandai and J ~S Bagla. A modified TreePM code. Research in Astronomy and Astrophysics 9(8):861-873, August 2009. DOI

36. J ~S Bagla and Nishikanta Khandai. The Adaptive TreePM: an adaptive resolution code for cosmological N-body simulations. \mnras 396(4):2211-2227, July 2009. DOI

37. J ~S Bagla, Jayanti Prasad and Nishikanta Khandai. Effects of the size of cosmological N-body simulations on physical quantities - III. Skewness. \mnras 395(2):918-930, May 2009. DOI

38. J ~S Bagla and Jayanti Prasad. Gravitational collapse in an expanding background and the role of substructure - II. Excess power at small scales and its effect on collapse of structures at larger scales. \mnras 393(2):607-614, February 2009. DOI

39. J ~S Bagla, Jaswant Yadav and T ~R Seshadri. Fractal dimensions of a weakly clustered distribution and the scale of homogeneity. \mnras 390(2):829-838, October 2008. DOI

40. J ~S Bagla and Jayanti Prasad. Effects of the size of cosmological N-body simulations on physical quantities - I. Mass function. \mnras 370(2):993-1002, August 2006. DOI

41. H ~K Jassal, J ~S Bagla and T Padmanabhan. Observational constraints on low redshift evolution of dark energy: How consistent are different observations?. \prd 72(10):103503, November 2005. DOI

42. J ~S Bagla, Jayanti Prasad and Suryadeep Ray. Gravitational collapse in an expanding background and the role of substructure - I. Planar collapse. \mnras 360(1):194-202, June 2005. DOI

43. Suryadeep Ray, J ~S Bagla and T Padmanabhan. Gravitational collapse in an expanding universe: scaling relations for two-dimensional collapse revisited. \mnras 360(2):546-554, June 2005. DOI

44. J ~S Bagla. Cosmological N-Body simulation: Techniques, Scope and Status. Current Science 88:1088-1100, April 2005. DOI

45. H ~K Jassal, J ~S Bagla and T Padmanabhan. WMAP constraints on low redshift evolution of dark energy. \mnras 356(1):L11-L16, 2005. DOI

46. J ~S Bagla and Suryadeep Ray. Comments on the size of the simulation box in cosmological N-body simulations. \mnras 358(3):1076-1082, 2005. DOI

47. J ~S Bagla and Suryadeep Ray. Performance characteristics of TreePM codes. \na 8(7):665-677, September 2003. DOI

48. J ~S Bagla, H ~K Jassal and T Padmanabhan. Cosmology with tachyon field as dark energy. \prd 67(6):063504, March 2003. DOI

49. J ~S Bagla. TreePM: A Code for Cosmological N-Body Simulations. Journal of Astrophysics and Astronomy 23(3-4):185-196, December 2002. DOI

50. J ~D Cohn, J ~S Bagla and Martin White. A comparison of simulated and analytic major merger counts. \mnras 325(3):1053-1064, August 2001. DOI

51. M Magliocchetti, J ~S Bagla, S ~J Maddox and O Lahav. The observed evolution of galaxy clustering versus epoch-dependent biasing models. \mnras 314(3):546-556, May 2000. DOI

52. J ~S Bagla. Evolution of galaxy clustering. \mnras 299(2):417-424, September 1998. DOI

53. J ~S Bagla. Clustering of galaxies at high redshifts. \mnras 297(1):251-254, June 1998. DOI

54. J ~S Bagla, S Engineer and T Padmanabhan. Scaling Relations for Gravitational Clustering in Two Dimensions. \apj 495(1):25-28, March 1998. DOI

55. Ralph A ~M ~J Wijers, Joshua S Bloom, Jasjeet S Bagla and Priyamvada Natarajan. Gamma-ray bursts from stellar remnants: probing the Universe at high redshift. \mnras 294(1):L13-L17, February 1998. DOI

56. J ~S Bagla, Biman Nath and T Padmanabhan. Neutral hydrogen at high redshifts as a probe of structure formation - III. Radio maps from N-body simulations. \mnras 289(3):671-680, August 1997. DOI

57. J ~S Bagla and T Padmanabhan. Cosmological N-body simulations.. Pramana 49:161, August 1997. DOI

58. J ~S Bagla and T Padmanabhan. Transfer of power in non-linear gravitational clustering. \mnras 286(4):1023-1031, April 1997. DOI

59. J ~S Bagla and T Padmanabhan. A New Statistical Indicator to Study Nonlinear Gravitational Clustering and Structure Formation. \apj 469:470, October 1996. DOI

60. J ~S Bagla, T Padmanabhan and J ~V Narlikar. {Crisis in Cosmology: Observational Constraints on {\ensuremathømega} and H $_O$}. Comments on Astrophysics 18:275, January 1996. DOI

61. Jasjeet Singh Bagla. Gravitational clustering in an expanding Universe. Inter-University Centre for Astronomy and Astrophysics, India, January 1996.

62. J ~S Bagla and T Padmanabhan. Nonlinear Evolution of Density Perturbations. Journal of Astrophysics and Astronomy Supplement 16:77, June 1995. DOI

63. J ~S Bagla and T Padmanabhan. Nonlinear Evolution of Density Perturbations Using the Approximate Constancy of the Gravitational Potential. \mnras 266:227, January 1994. DOI

Complete list of publications