Statistical evidence for three classes of gamma-ray bursts T Chattopadhyay, R Misra, AK Chattopadhyay, M Naskar The Astrophysical Journal 667 (2), 1017, 2007 | 109 | 2007 |

Structures in the fundamental plane of early-type galaxies D Fraix-Burnet, M Dugué, T Chattopadhyay, AK Chattopadhyay, ... Monthly Notices of the Royal Astronomical Society 407 (4), 2207-2222, 2010 | 41 | 2010 |

A six-parameter space to describe galaxy diversification D Fraix-Burnet, T Chattopadhyay, AK Chattopadhyay, E Davoust, ... Astronomy & Astrophysics 545, A80, 2012 | 37 | 2012 |

Study of ngc 5128 globular clusters under multivariate statistical paradigm AK Chattopadhyay, T Chattopadhyay, E Davoust, S Mondal, M Sharina The Astrophysical Journal 705 (2), 1533, 2009 | 35 | 2009 |

Statistical methods for astronomical data analysis AK Chattopadhyay, T Chattopadhyay Springer, 2014 | 32 | 2014 |

Objective classification of spiral galaxies having extended rotation curves beyond the optical radius T Chattopadhyay, AK Chattopadhyay The Astronomical Journal 131 (5), 2452, 2006 | 28 | 2006 |

Uncovering the formation of ultracompact dwarf galaxies by multivariate statistical Analysis T Chattopadhyay, M Sharina, E Davoust, T De, AK Chattopadhyay The Astrophysical Journal 750 (2), 91, 2012 | 26 | 2012 |

Independent Component Analysis for the objective classification of globular clusters of the galaxy NGC 5128 AK Chattopadhyay, S Mondal, T Chattopadhyay Computational statistics & data analysis 57 (1), 17-32, 2013 | 25 | 2013 |

Unsupervised classification of eclipsing binary light curves through k-medoids clustering S Modak, T Chattopadhyay, AK Chattopadhyay Journal of Applied Statistics, 2019 | 23 | 2019 |

Clustering of gamma-ray bursts through kernel principal component analysis S Modak, AK Chattopadhyay, T Chattopadhyay Communications in Statistics-Simulation and Computation 47 (4), 1088-1102, 2018 | 21 | 2018 |

An introduction to Astrophysics B Basu, T Chattopadhyay, SN Biswas PHI Learning Pvt. Ltd., 2010 | 21 | 2010 |

Globular clusters of the Local Group–statistical classification T Chattopadhyay, AK Chattopadhyay Astronomy & Astrophysics 472 (1), 131-140, 2007 | 20 | 2007 |

Two phase formation of massive elliptical galaxies: study through cross-correlation including spatial effect S Modak, T Chattopadhyay, AK Chattopadhyay Astrophysics and Space Science 362 (11), 206, 2017 | 18 | 2017 |

Statistical analysis of dwarf galaxies and their globular clusters in the Local Volume T Chattopadhyay, M Sharina, P Karmakar The Astrophysical Journal 724 (1), 678, 2010 | 15 | 2010 |

Globular clusters in the Milky Way and dwarf galaxies: A distribution-free statistical comparison S Mondal, AK Chattopadhyay, T Chattopadhyay The Astrophysical Journal 683 (1), 172, 2008 | 15 | 2008 |

Unsupervised classification of galaxies. I. Independent component analysis feature selection T Chattopadhyay, D Fraix-Burnet, S Mondal Publications of the Astronomical Society of the Pacific 131 (1004), 108010, 2019 | 14 | 2019 |

Cosmic history of the integrated galactic stellar initial mass function: a simulation study T Chattopadhyay, T De, B Warlu, AK Chattopadhyay The Astrophysical Journal 808 (1), 24, 2015 | 14 | 2015 |

Horizontal branch morphology of globular clusters: A multivariate statistical analysis GJ Babu, T Chattopadhyay, AK Chattopadhyay, S Mondal The Astrophysical Journal 700 (2), 1768, 2009 | 14 | 2009 |

Clustering of eclipsing binary light curves through functional principal component analysis S Modak, T Chattopadhyay, AK Chattopadhyay Astrophysics and Space Science 367 (2), 19, 2022 | 10 | 2022 |

Comparison among different Clustering and Classification Techniques: Astronomical data-dependent study P Banerjee, T Chattopadhyay, AK Chattopadhyay New Astronomy 100, 101973, 2023 | 8 | 2023 |