Dr SREEJA S KARTHA
MSc, PhD
ASSOCIATE PROFESSOR
MSc, PhD
ASSOCIATE PROFESSOR
Articles in Journals
| Sl.No. | Title | Name of Journal / Vol. No. / Issue No. / Page Nos | ISSN No. | Date Published |
| 1 | The SLUGGS survey: exploring the globular cluster systems of the Leo II group and their global relationships | Monthly Notices of the Royal Astronomical Society / 458 / 1 / 105 - 126 | 0035-8711 | 03-Mar-2016 |
| 2 | The SLUGGS survey: the globular cluster systems of three early-type galaxies using wide-field imaging | Monthly Notices of the Royal Astronomical Society / 437 / 1 / 273 - 292 | 0035-8711 | 01-Jan-2014 |
| 3 | The SLUGGS survey: the mass distribution in early-type galaxies within five effective radii and beyond | Monthly Notices of the Royal Astronomical Society / 460 / 4 / 3838 - 3860 | 0035-8711 | 21-Aug-2016 |
| 4 | The SLUGGS Survey: stellar kinematics, kinemetry and trends at large radii in 25 early-type galaxies | Monthly Notices of the Royal Astronomical Society / 457 / 1 / 147 - 171 | 0035-8711 | 21-Mar-2016 |
| 5 | The SLUGGS survey: chromodynamical modelling of the lenticular galaxy NGC 1023 | Monthly Notices of the Royal Astronomical Society / 456 / 3 / 2611 - 2621 | 0035-8711 | 01-Mar-2016 |
| 6 | The SLUGGS survey: combining stellar and globular cluster metallicities in the outer regions of early-type galaxies | Monthly Notices of the Royal Astronomical Society / 451 / 3 / 2625 - 2639 | 0035-8711 | 11-Aug-2015 |
| 7 | Small Scatter and Nearly Isothermal Mass Profiles to Four Half-Light Radii from Two-Dimensional Stellar Dynamics of Early-Type Galaxies | Astrophysical Journal Letters / 804 / 1 / 21 - 27 | 2041-8205 | 29-Apr-2015 |
| 8 | The SAGES Legacy Unifying Globulars and GalaxieS Survey (SLUGGS): Sample Definition, Methods, and Initial Results | Astrophysical Journal / 796 / 1 / 52 - 77 | 0004-637X | 05-Nov-2014 |
| 9 | Star formation in the region of young open cluster - NGC 225 | Bulletin of the Astronomical Society of India / 34 / 4 / 315 - 325 | 0304-9523 | 01-Dec-2008 |
| 10 | Radioheliograph Observations of Metric Type II Bursts and the Kinematics of Coronal Mass Ejections | Astrophysical Journal / 712 / 1 / 188 - 193 | 0004-637X | 25-Feb-2010 |
| 11 | Evidence of V-band Polarimetric Separation of Carbon Stars at High Galactic Latitude | Astrophysical Journal Letters / 722 / 1 / 90 - 94 | 2041-8205 | 22-Sep-2010 |
| 12 | The SLUGGS Survey: Wide-Field Stellar Kinematics of Early-Type Galaxies | Astrophysical Journal / 791 / 2 / 80 - 107 | 0004-637X | 30-Jul-2014 |
| 13 | Are Narrow-line Seyfert 1 Galaxies Powered by Low-mass Black Holes? | The Astrophysical Journal Letters / 881 / 1 / 1 - 6 | 2041-8205, 2041-8213 | 13-Aug-2019 |
| 14 | On the Mass Accretion Rate and Infrared Excess in Herbig Ae/Be Stars | The Astronomical Journal / 157 / 4 / 159 - 168 | 0004-6256, 1538-3881 | 02-Apr-2019 |
| 15 | Analysis of Membership Probability in Nearby Young Moving Groups with Gaia DR2 | The Astronomical Journal / 159 / 4 / 166 - 179 | 0004-6256, 1538-3881 | 23-Mar-2020 |
| 16 | A Statistical Search for Star?Planet Interaction in the Ultraviolet Using GALEX | The Astronomical Journal / 159 / 5 / 194 - | 0004-6256, 1538-3881 | 09-Apr-2020 |
| 17 | Identification of new classical Ae stars in the Galaxy using LAMOST DR5 | Monthly Notices of the Royal Astronomical Society / 501 / 4 / 5927 - 5937 | 0035-8711 | 01-Mar-2021 |
| 18 | Discovery of an M-type companion to the Herbig Ae Star V1787 Ori | Monthly Notices of the Royal Astronomical Society / 501 / 1 / 1243 - 1252 | 0035-8711 | 15-Feb-2021 |
| 19 | Presence of red giant population in the foreground stellar substructure of the Small Magellanic Cloud | Monthly Notices of the Royal Astronomical Society / 508 / 4 / 5854 - 5863 | 0035-8711 | 07-Oct-2021 |
| 20 | Identification of emission-line stars in transition phase from pre-main sequence to main sequence | Monthly Notices of the Royal Astronomical Society / 507 / 3 / 3660 - 3671 | 0035-8711 | 23-Aug-2021 |
| 21 | Clustering of low-mass stars around Herbig Be star IL Cep - evidence of 'Rocket Effect' using Gaia EDR3 ? | Monthly Notices of the Royal Astronomical Society / 507 / 1 / 267 - 281 | 0035-8711 | 21-Jul-2021 |
| 22 | Discovery of 2716 hot emission-line stars from LAMOST DR5 | Research in Astronomy and Astrophysics (RAA) / / / - | 01-Aug-2021 | |
| 23 | Understanding the secular evolution of NGC 628 using UltraViolet Imaging Telescope | Monthly Notices of the Royal Astronomical Society / 516 / 2 / 2171 - 2180 | 0035-8711 | 16-Aug-2022 |
| 24 | Understanding the secular evolution of NGC 628 using UltraViolet Imaging Telescope | Monthly Notices of the Royal Astronomical Society / 516 / 2 / 2171 - 2180 | 0035-8711 | 01-Oct-2022 |
| 25 | Decoding the X-Ray Flare from MAXI J0709-159 Using Optical Spectroscopy and Multiepoch Photometry | The Astrophysical Journal Letters / 933 / 2 / 34 - 40 | 2041-8213 | 01-Jul-2022 |
| 26 | Emission line star catalogues post-Gaia DR3. A validation of Gaia DR3 data using the LAMOST OBA emission catalogue | Astronomy & Astrophysics / 668 / A156 / 1 - 6 | 0004-6361 | 02-Dec-2022 |
| 27 | Fullerenes in the circumstellar medium of Herbig Ae/Be stars: insights from the Spitzer mid-infrared spectral catalog | Monthly Notices of the Royal Astronomical Society / 523 / 2 / 1601 - 1613 | 0035-8711 | 22-May-2023 |
| 28 | DES J024008.08-551047.5: A new member of the polar ring galaxy family | ASTRONOMY & ASTROPHYSICS (A & A) / / / - | 0004-6361 | 26-Aug-2023 |
| 29 | What drives the wheels of evolution in NGC 1512? A UVIT study | Astronomy & Astrophysics (A & A) / / / - | 0004-6361 | 28-Aug-2023 |
| 30 | Spectroscopic study of Herbig Ae/Be stars in the Galactic anti-centre region from LAMOST DR5 | MNRAS / 524 / 4 / 5166 - 5181 | 0035-8711 | 13-Jul-2023 |
| 31 | Estimation of stellar parameters and mass accretion rate of classical T Tauri stars from LAMOST DR6 | Journal of Astrophysics and Astronomy / 44 / 4 / - | 0973-7758 | 28-Jul-2023 |
| 32 | Identifying the population of T-Tauri stars in Taurus: UV?optical synergy | Journal of Astrophysics and Astronomy / 44 / 2 / - | 0973-7758 | 25-Jul-2023 |
| 33 | Chandra X-ray analysis of Herbig Ae/Be stars | Monthly Notices of the Royal Astronomical Society / 530 / 3 / 3020 - 3037 | 1365-2966 | 05-Apr-2024 |
| 34 | Beyond the rings: Polar ring galaxy NGC 4262 and its globular cluster system | Monthly Notices of the Royal Astronomical Society / 530 / 3 / - | 0035-8711 | 15-May-2024 |
| 35 | Disentangling the association of PAH molecules with star formation | ASTRONOMY & ASTROPHYSICS (A & A) / 684 / A71 / - | 0004-6361 | 05-Apr-2024 |
| 36 | Detection of a new sample of Galactic white dwarfs in the direction of the Small Magellanic Cloud | Astronomy & Astrophysics / 690 / A68 / 1 - 9 | 0004-6361 | 10-Aug-2024 |
| 37 | The Interaction Jigsaw: investigating star formation in interacting galaxies | Monthly Notices of the Royal Astronomical Society / 534 / 3 / 1902 - 1912 | 1365-2966 | 07-Nov-2024 |
| 38 | Deciphering the properties of UV upturn galaxies in the Virgo cluster | Monthly Notices of the Royal Astronomical Society / 534 / 4 / 4063 - 4071 | 1365-2966 | 21-Oct-2024 |
| 39 | Twins in diversity: understanding circumstellar disc evolution in the twin clusters of W5 complex | Monthly Notices of the Royal Astronomical Society / 535 / 2 / 1321 - 1337 | 1365-2966 | 30-Oct-2024 |
| 40 | Serendipitous detection of an intense X-ray flare in the weak-line T Tauri star KM Ori with SRG/eROSITA | Publications of the Astronomical Society of Australia / 42 / / 9 - 9 | 1448-6083 | 13-Jan-2025 |
| 41 | Spectroscopic Study of Late-type Emission-line Stars Using the Data from LAMOST DR6 | Research in Astronomy and Astrophysics / 24 / / 125014 - | 2397-6209 | 03-Dec-2024 |
| 42 | Analysis of Forbidden Neon Emission lines in HAeBe Stars using Spitzer IRS spectra | Monthly Notices of the Royal Astronomical Society / 540 / 4 / 3330 - 3349 | 0035-8711 | 05-Jun-2025 |
| 43 | Connecting the dots: Tracing the evolutionary pathway of polar ring galaxies in the cases of NGC 3718, NGC 2685, and NGC 4262 | Publications of the Astronomical Society of Australia / 42 / id.e056 / - | 1323-3580 | 01-Apr-2025 |
| 44 | Polycyclic Aromatic Hydrocarbons in the Circumstellar Medium of Herbig Ae/Be Stars | Research in Astronomy and Astrophysics / 25 / 9 / - | 2397-6209 | 12-Aug-2025 |
| 45 | Galaxies, clusters, and intergalactic medium: A vision document for the Indian Astronomical Community | Journal of Astrophysics and Astronomy / 46 / 2 / 32 - | 0973-7758 | 11-Jun-2025 |
| 46 | High-resolution spectroscopy of HE 0225−0546 and HE 1153−0518: probing the progenitors through abundance patterns and kinematics | Monthly Notices of the Royal Astronomical Society / 546 / 1 / 1 - 13 | 1365-2966 | 09-Dec-2025 |
| 47 | Non-linear solar EUV-driven sodium release from the lunar surface: a contrast to the linear PSD model | Monthly Notices of the Royal Astronomical Society / 543 / 2 / 1 - 13 | 1365-2966 | 27-Aug-2025 |
| 48 | High-resolution spectral analysis of three high-latitude carbon stars | Publications of the Astronomical Society of Australia / 42 / / - | 1448-6083 | 28-Apr-2025 |
Participation in Seminars/Conferences/Symposium
| Sl.No. | Name of the Conference /Seminar /Symposium | Type of Program | Title of the Article | Role | Venue/Place | Date |
| 1 | Workshop on Multiwavelength Observations using ASTROSAT | CONFERENCES | PARTICIPANT) | Christ University, Bangalore | 14/12/2017 | |
| 2 | Introduction to Astronomical Spectroscopy | CONFERENCES | PARTICIPANT) | CMS College, KottayamCMS College, Kottayam | 26/08/2017 | |
| 3 | Formation and evolution of star clusters | CONFERENCES | PARTICIPANT) | Maulana Azad National Urdu University, HyderabadHyderabad | 21/01/2019 | |
| 4 | 37th meeting of astronomical society of India | SYMPOSIUM | PARTICIPANT) | Bangalore | 18/02/2019 | |
| 5 | Science with Subaru: An Indian Perspective | CONFERENCES | Extragalactic Globular cluster studies through the eyes of Subaru | PRESENTER) | TIFR, MumbaiMumbai | 18/12/2019 |
| 6 | 38th meeting of astronomical society of India | CONFERENCES | Do Herbig Ae/Be stars emit X-rays? | PRESENTER) | IISER, TirupatiTirupati | 13/02/2020 |
| 7 | 39th meeting of the Astronomical Society of India | CONFERENCES | PARTICIPANT) | ICTS-TIFR Bengaluru, IISER Mohali, IIT Indore and IUCAA PuneOnline | 18/02/2021 | |
| 8 | Gaia Symposium: DR2 and Beyond | CONFERENCES | PARTICIPANT) | Indian Institute of Astrophysics, BangaloreOnline | 02/11/2020 | |
| 9 | European Astronomical Society Annual Meeting | CONFERENCES | PARTICIPANT) | European Astronomical Society.Europe (online) | 28/06/2021 | |
| 10 | 38th Meeting of The Astronomical Society of India | CONFERENCES | PARTICIPANT) | Indian Institute of Science Education & Research, TirupatiTirupati | 13/02/2020 | |
| 11 | 40th meeting of ASI | CONFERENCES | PARTICIPANT) | IIT Roorkee & Aries NainitalIIT Rorkee | 25/03/2022 | |
| 12 | Star Formation Studies in the Context of NIR Instruments on 3.6m DOT | CONFERENCES | PARTICIPANT) | ARIES Nainital & TIFR MumbaiARIES, Nainital | 04/05/2022 | |
| 13 | Seven years of AstroSat | CONFERENCES | What drives the wheels of evolution in NGC1512: a UVIT study | PRESENTER) | ISROISRO Headquarters, Antariksh Bhavan, Bangalore | 28/09/2022 |
| 14 | Introductory Astronomy & Astrophysics | SEMINARS | Multi wavelength investigation of galaxy evolution | PRESENTER) | IUCAA, PuneMar Thoma College, Nilambur, Kerala | 06/12/2022 |
| 15 | EUROPEAN ASTRONOMICAL SOCIETY ANNUAL MEETING | CONFERENCES | Galaxy Metamorphosis: investigating the evolution of secular, interacting, and postinteraction galaxies | PRESENTER) | EASPoland | 10/07/2023 |
| 16 | Asia Pacific Regional IAU Meeting (APRIM 2023) | CONFERENCES | Repercussion of interactions in spiral galaxies from a star formation perspective | PRESENTER) | International Astronomical Society (IAU)BIG PALETTE FUKUSHIMA in Koriyama City, Fukushima Prefecture, Japan | 07/08/2023 |
| 17 | 4th Meeting on Star Formation Studies in India | CONFERENCES | Harmony of the cosmos: unveiling the star formation and galactic evolution in secular and environmental contexts | KEYNOTE_SPEAKER) | S N Bose National Centre for Basic Sciences, KolkataKOlkata | 08/01/2024 |
| 18 | ASI annual meeting 2024 | CONFERENCES | PARTICIPANT) | IISc, ISRO & JNPBangalore | 31/01/2024 | |
| 19 | ?The impact of UV surveys in astronomy? | CONFERENCES | Unveiling the interwoven threads of star formation and galactic evolution in secular and environmental contexts | PRESENTER) | Network for Ultraviolet Astronomy eMeeting (NUVA)Online | 15/10/2024 |
| 20 | Radio Astronomy School 2024 (RAS 2024) | SYMPOSIUM | PARTICIPANT) | National Centre for Radio Astrophysics (NCRA) TIFRPune, India | 18/11/2024 | |
| 21 | Southern Regional Astronomy Meeting | CONFERENCES | Southern Regional Astronomy Meeting | CHAIR) | CHRIST (Deemed to be University)Bangalore | 05/02/2026 |
| 22 | A Hands-on Workshop with JWST-UVIT | CONFERENCES | A Hands-on Workshop with JWST-UVIT | KEYNOTE_SPEAKER) | CHRIST (Deemed to be University)Bangalore | 20/10/2025 |
| 23 | Beginner Astronomy Workshop | SYMPOSIUM | Extragalactic Astronomy | PRESENTER) | CHRIST (Deemed to be University)Bangalore | 05/03/2026 |
| 24 | A decade of AstroSat Observations | CONFERENCES | A decade of AstroSat Observations | KEYNOTE_SPEAKER) | CHRIST (Deemed to be University)Benagluru | 30/01/2026 |
Invited Talks
| Sl.No. | Titel of the Program | Name of the Program | Date | Name of the Institution |
| 1 | Astronomy research and opportunities | College Physics Association Inauguration | 31/10/2017 | K. G. College, Kottayam |
| 2 | Astrophysics of Galaxies | Alumni Talk | 19/09/2023 | K G College Pampady, Kottayam, Kerala |
| 3 | UVIT/AstroSat View of Nearby Galaxies | A decade of ASTROSAT observations: Science outcomes and future perspects | 31/01/2026 | Indian Space Research Organisation Headquarters, Bangalore |
MPhil/PhD Guided/Adjudicated
| Sl.No. | Title | Name of Student | Institution | Role | Status | Month Year |
| 1 | Characterization of stars in nearby young moving groups | S Raksha | Christ University | SUPERVISOR | Awarded | August 2020 |
| 2 | EXPLORING COMPOSITION OF LUNAR SURFACE AND SURFACE BOUNDARY EXOSPHERE USING CHANDRAYAAN-2 AND GROUND BASED OBSERVATIONS | ASHISH DEVARAJ | Christ University | SUPERVISOR | Ongoing | January 2022 |
| 3 | UNDERSTANDING THE STAR FORMATION PROPERTIES OF DIFFERENT GALAXY ENVIRONMENTS USING UVIT | UJJWAL KRISHNAN | Christ University | SUPERVISOR | Awarded | May 2025 |
| 4 | Probing star formation in galaxies belonging to pairs and in cluster environments | Robin Thomas | Christ University | SUPERVISOR | Ongoing | June 2020 |
| 5 | Polar Ring Galaxies: Can they bridge the gap between early- and late- type galaxies? | Akhil Krishna R | Christ University | SUPERVISOR | Ongoing | June 2020 |
| 6 | STUDY OF LOW MASS STARS AND BROWN DWARFS IN STAR FORMING REGIONS OF DIVERSE ENVIRONMENTS | BELINDA DAMIAN | Christ University | SUPERVISOR | Awarded | July 2024 |
| 7 | PROBING THE STAR FORMATION IN GALAXIES BELONGING TO PAIRS AND CLUSTER ENVIRONMENTS | ROBIN THOMAS | Christ University | SUPERVISOR | Awarded | June 2025 |
| 8 | STUDY OF YOUNG STARS IN MOVING GROUPS AND AT HIGH GALACTIC LATITUDE | S RAKSHA | Christ University | CO_SUPERVISOR | Ongoing | January 2022 |
| 9 | Study of High Energy Emission from Pre-Main Sequence Stars | HEMA ANILKUMAR | Christ University | SUPERVISOR | Ongoing | March 2024 |
| 10 | TRACING THE EVOLUTION OF POLAR RING GALAXIES THROUGH MULTI-WAVELENGTH OBSERVATIONS AND COSMOLOGICAL SIMULATIONS | AKHIL KRISHNA R | Christ University | SUPERVISOR | Awarded | June 2025 |
Research Project
| Sl.No. | Name of the Research Project | Investigator(s) | Sponsors | Internal/External |
| 1 | Unraveling the ongoing star formation in diverse galaxy environments using UVIT | SREEJA S KARTHA,BLESSON MATHEW,PAUL K T,VINEETH V | ISRO | External |
| 2 | Element abundance analysis of the surface boundary exosphere of Moon using the data from Chandrayaan2 | SREEJA S KARTHA,BLESSON MATHEW,PAUL K T,SHYAMA NARENDRANATH K C | Department of Space Science, ISRO | External |
| 3 | FIST (Fund for Improvement of S&T Infrastructure) Programe 2022 Department of Science and Technology | MANOJ B,BLESSON MATHEW,IMRAN JAFRI R,JITHESH V,JOYDEEP BAGCHI,NAINESH KANTILAL PATEL,ROHAN PASCAL FERNANDES ,SREEJA S KARTHA,VINEETH V | Department of Science and Technology (DST), Government of India | External |
| 4 | Young Astronomers Meet 2024 | SREEJA S KARTHA,ATHIRA M BHARATHAN,ROBIN THOMAS | Astronomical Society of India (ASI) | External |
| 5 | A disc that connects them all: Study of Be stars in various evolutionary phases and the role of binarity | BLESSON MATHEW,SREEJA S KARTHA | SERB | External |
| 6 | JWST CHRIST COSPAR WORKSHOP | COSPAR | External | |
| 7 | Disentangling the formation of polar ring galaxies using optical and ultraviolet photometry | SREEJA S KARTHA | Internal |
Workshop/FDP/Training programme
| Sl.No. | Name of the Workshop/FDP/Training programme | Name of Organiser | Level | Role | Date |
| 1 | Sustaining Learner-Centered Approach (LCA) Implementation | Teaching Learning Enhancement Cell (TLEC), | Institutional | Participant | 07/04/2025 |
| 2 | Leadership Workshop | CHRIST University Higher Education Leadership Institute, | Institutional | Participant | 01/12/2023 |
| 3 | 5th Shaw-IAU Workshop on Astronomy for Education | International Astronomical Union (IAU), Office of Astronomy for Education (OAE) | International | Participant | 29/11/2023 |
| 4 | Programme in basic First Aid | Division of Occupational Health Services, Department of Community Health, St John's Medical College, Bengaluru | Institutional | Participant | 03/02/2023 |
| 5 | Faculty Development Program II 2022 | Staff Development College, | Institutional | Participant | 05/12/2022 |
| 6 | Faculty Development Program I 2022 | CEDBEC & IQAC, | Institutional | Participant | 06/07/2022 |
| 7 | Refresher course on Astronomy & Astrophysics | IUCAA, Pune, IUCAA, Pune | Participant | 16/05/2022 | |
| 8 | Ecosystem-based Disaster Risk Reduction and Climate Change Adaptation | Disasters and Conflicts Branch, United Nations Environment Programme, United Nations Environment Programme | International | Participant | 05/05/2022 |
| 9 | Professional Development Program | Centre for Research Projects, | Invited Resource Person/Trainer | 23/03/2022 | |
| 10 | Faculty Development Programme I | CEDBEC and HRDC, CHRIST (Deemed to be Univeristy), | Institutional | Participant | 16/06/2021 |
| 11 | Quality Improvement Program | Academic Staff College, | Participant | 20/05/2019 | |
| 12 | Author Workshop | Springer Nature and CHRIST (Deemed to be University), | Institutional | Participant | 30/03/2019 |
| 13 | Orientation programme level 2 | CHRIST (Deemed to be University), | Participant | 14/01/2019 | |
| 14 | Orientation programme level 1-CSA project site visit | CHRIST (Deemed to be University), | Participant | 10/08/2018 | |
| 15 | Orientation programme level 1 | CHRIST (Deemed to be University), | Participant | 06/08/2018 | |
| 16 | Quality Improvement Program | Academic Staff College, | Participant | 21/05/2018 |