TS
Thirupathi Sivarani
astro-ph.SRastro-ph.EPastro-ph.IMastro-ph.GAastro-phastro-ph.COastro-ph.HEnucl-exnucl-th
On Valency
published · living versionsW_qakdaaax·v1 · currentpublished
The Milky Way Tomography with SDSS: II. Stellar Metallicity
with Zeljko Ivezic, Branimir Sesar, Mario Juric, Nicholas Bond +48
1 version
W_8ctawbxj·v1published
Preprints & journals
103 papers in the corpus · 1999–2026Post-perihelion Photometric and Spectroscopic Monitoring of the Interstellar Comet 3I/ATLAS2609.22596v1 · Goldy Ahuja, Shashikiran Ganesh, K. Aravind et al.2026 · 0 citationsMonthly Notices of the Royal Astronomical Society (2026)
Host-star metallicities and kinematics of directly imaged brown-dwarf companions2609.17911v2 · C. Swastik, R. K. Banyal, M. Muduli et al.2026 · 0 citationsarXiv
An Observational Study of Systematics in Differential Transmission Spectroscopy Using HFOSC on the Himalayan Chandra Telescope2608.06749v1 · Manjunath Bestha, Athira Unni, T Sivarani et al.2026 · 0 citationsarXiv
A Quiet Host in an Active Planet-Forming Disk: Optical Spectroscopy of WISPIT 22607.20649v2 · C. Swastik, M. Bestha, L. S. Sonith et al.2026 · 0 citationsarXiv
Unveiling the Nature of C/2023 A3 (Tsuchinshan-ATLAS): A Multi-Technique Observational Approach2607.06769v3 · Goldy Ahuja, Shashikiran Ganesh, Aravind Krishnakumar et al.2026 · 0 citationsarXiv
A new broadband atmospheric dispersion corrector for HROS-TMT2511.03225v1 · Manjunath Bestha, Thirupathi Sivarani, Bachar Wehbe et al.2025 · 0 citationsarXiv
Addressing wavelength-correlated systematics in exoplanet transmission spectroscopy: a 2D Gaussian Process approach2510.20423v1 · Lokesh Manickavasaham, Manjunath Bestha, Sivarani Thirupathi et al.2025 · 0 citationsarXiv
High-Resolution Echelle Spectroscopy for Solar System Planets: A Planet-as-Point-Source Analogy2510.20559v1 · Parvathy Menon, Sivarani T, Sriram S et al.2025 · 0 citationsarXiv
A chemodynamical study of -process-enhanced stars2510.06630v1 · Pallavi Saraf (PRL), Thirupathi Sivarani, Carlos Allende Prieto et al.2025 · 1 citationarXiv
A multi-object approach for studying exoplanet atmospheres using high-resolution spectrographs2509.18721v1 · Manjunath Bestha, Athira Unni, T. Sivarani et al.2025 · 0 citationsarXiv
Atmospheric Dispersion Measurement at Hanle Site2509.17300v2 · Manjunath Bestha, Sivarani Thirupathi, Athira Unni et al.2025 · 0 citationsarXiv
An Initial Assessment of the Hanle Echelle Spectrograph for Exoplanet Atmosphere Studies2509.17142v1 · Manjunath Bestha, Athira Unni, T. Sivarani et al.2025 · 0 citationsarXiv
Long-term monitoring of a dynamically new comet C/2020 V2 (ZTF)2509.05902v1 · Goldy Ahuja, K. Aravind, Shashikiran Ganesh et al.2025 · 3 citationsMon Not R Astron Soc (2025) 1178-1195
Non-Linear Solar EUV-Driven Sodium Release from the Lunar Surface: A Contrast to the Linear PSD Model2509.05644v1 · A Devaraj, S Narendranath, Sreeja S Kartha et al.2025 · 1 citationarXiv
On the Origin of Neutron-capture Elements in r-I and r-II Stars: A Differential-abundance Analysis2508.08847v1 · Pallavi Saraf, Thirupathi Sivarani, Timothy C. Beers et al.2025 · 2 citationsarXiv
Doppler Shifted Transient Sodium Detection by KECK/HIRES2504.03974v3 · Athira Unni, Apurva V. Oza, H. Jens Hoeijmakers et al.2025 · 2 citationsarXiv
Low-resolution Transit Spectroscopy of Three Hot Jupiters Using the 2m Himalayan Chandra Telescope2410.18450v1 · Athira Unni, Thirupathi Sivarani, Jayesh Goyal et al.2024 · 0 citationsarXiv
Redshifted Sodium Transient near Exoplanet Transit2409.19844v1 · Apurva V. Oza, Julia V. Seidel, H. Jens Hoeijmakers et al.2024 · 8 citationsarXiv
A Partial Near-infrared Guide Star Catalog for Thirty Meter Telescope Operations2408.08180v1 · Sarang Shah, Smitha Subramanian, Avinash C. K. et al.2024 · 0 citationsThe Astronomical Journal, 168:59 (28pp), 2024 August
A multi-functional fiber positioning system for Extremely Large Telescopes2407.15394v2 · Manjunath Bestha, T. Sivarani, Arun Surya et al.2024 · 0 citationsarXiv
Age analysis of extrasolar planets: Insight from stellar isochrone models2404.13398v1 · C. Swastik, Ravinder K. Banyal, Mayank Narang et al.2024 · 10 citationsarXiv
Optical spectroscopy of comets using Hanle Echelle Spectrograph (HESP)2403.01595v1 · K Aravind, Kumar Venkataramani, Shashikiran Ganesh et al.2024 · 1 citationarXiv
A chemodynamical analysis of bright metal-poor stars from the HESP-GOMPA survey -- Indications of a non-prevailing site for light r-process elements2402.17250v1 · Avrajit Bandyopadhyay, Timothy C Beers, Rana Ezzeddine et al.2024 · 7 citationsMonthly Notices of the Royal Astronomical Society, Volume 529, Issue 3, pp.2191-2207, 2024
Possibilities of Identifying Members from Milky Way Satellite Galaxies using Unsupervised Machine Learning Algorithms2311.14102v1 · Devika K Divakar, Pallavi Saraf, Sivarani Thirupathi et al.2023 · 0 citationsarXiv
Atmospheric dispersion corrector for a multi-object spectroscopic mode of HROS-TMT2310.15685v1 · Manjunath Bestha, Amirul Hasan, Devika Divakar et al.2023 · 1 citationProc. SPIE 12677, Astronomical Optics: Design, Manufacture, and Test of Space and Ground Systems IV, 126770Q (4 October 2023)
Recovering simulated planet and disk signals using SCALES aperture masking2310.12483v1 · Mackenzie Lach, Steph Sallum, Ravinder Banyal et al.2023 · 1 citationSPIE Proceedings Volume 12680, Techniques and Instrumentation for Detection of Exoplanets XI; 1268024 (2023)
Simulating medium-spectral-resolution exoplanet characterization with SCALES angular/reference differential imaging2310.12193v1 · Aditi Desai, Stephanie E. Sallum, Ravinder Banyal et al.2023 · 1 citationarXiv
The Slicer Combined with Array of Lenslets for Exoplanet Spectroscopy (SCALES): driving science cases and expected outcomes2310.07134v1 · Steph Sallum, Andrew Skemer, Deno Stelter et al.2023 · 2 citationsarXiv
The development of HISPEC for Keck and MODHIS for TMT: science cases and predicted sensitivities2309.11050v1 · Quinn M. Konopacky, Ashley D. Baker, Dimitri Mawet et al.2023 · 6 citationsarXiv
Chemodynamic analysis of four -process enhanced stars observed with GTC2308.05097v1 · Pallavi Saraf (IIA), Thirupathi Sivarani (IIA)2023 · 3 citationsarXiv
Field blue straggler stars: Discovery of white dwarf companions to blue metal-poor stars using UVIT/AstroSat2308.04050v1 · Anju Panthi, Annapurni Subramaniam, Kaushar Vaidya et al.2023 · 8 citationsarXiv
Study of blue metal-poor stars using UVIT/AstroSat2307.16409v1 · Anju Panthi, Annapurni Subramaniam, Kaushar Vaidya et al.2023 · 0 citationsarXiv
Age distribution of exoplanet host stars: Chemical and Kinematics age proxies from GAIA DR32307.11442v1 · C. Swastik, Ravinder K. Banyal, Mayank Narang et al.2023 · 17 citationsarXiv
Decoding the compositions of four bright -process-enhanced stars2307.10762v1 · Pallavi Saraf (IIA), Carlos Allende Prieto, Thirupathi Sivarani et al.2023 · 20 citationsarXiv
Globular Cluster UVIT legacy Survey (GlobUleS) III. Omega Centauri in Far-Ultraviolet2210.05160v1 · Deepthi S. Prabhu, Annapurni Subramaniam, Snehalata Sahu et al.2022 · 6 citationsarXiv
Li distribution, kinematics and detailed abundance analysis among very metal-poor stars in the Galactic halo from the HESP-GOMPA survey2208.13912v1 · Avrajit Bandyopadhyay, Thirupathi Sivarani, Timothy C. Beers et al.2022 · 11 citationsarXiv
Design of SCALES: A 2-5 Micron Coronagraphic Integral Field Spectrograph for Keck Observatory2208.10721v1 · Andrew Skemer, R. Deno Stelter, Stephanie Sallum et al.2022 · 8 citationsarXiv
Carbon abundance of stars in the LAMOST-Kepler field2208.10057v1 · Athira Unni, Mayank Narang, Thirupathi Sivarani et al.2022 · 13 citationsThe Astronomical Journal, 164:181 (11pp), 2022 November
Design of an IR Imaging Channel for the Keck Observatory SCALES Instrument2208.07523v1 · Ravinder K. Banyal, Amirul Hasan, Reni Kupke et al.2022 · 6 citationsarXiv
Galactic chemical evolution of exoplanet host stars: Are high-mass planetary systems young?2205.15793v2 · C. Swastik, Ravinder K. Banyal, Mayank Narang et al.2022 · 23 citationsThe Astronomical Journal, 164:60 (16pp), 2022 August
Horizons: Nuclear Astrophysics in the 2020s and Beyond2205.07996v1 · H. Schatz, A. D. Becerril Reyes, A. Best et al.2022 · 51 citationsarXiv
Globular Clusters UVIT Legacy Survey (GlobULeS) I. FUV-optical Color-Magnitude Diagrams for Eight Globular Clusters2204.12886v1 · Snehalata Sahu, Annapurni Subramaniam, Gaurav Singh et al.2022 · 14 citationsarXiv
Optical observations and dust modelling of comet 156P/Russell-LINEAR2204.09727v1 · K. Aravind, Prithish Halder, Shashikiran Ganesh et al.2022 · 12 citationsarXiv
The TESS-Keck Survey. VIII. Confirmation of a Transiting Giant Planet on an Eccentric 261 day Orbit with the Automated Planet Finder Telescope2201.04146v1 · Paul A. Dalba, Stephen R. Kane, Diana Dragomir et al.2022 · 36 citationsarXiv
Optical and NIR spectroscopy of cool CEMP stars to probe the nucleosynthesis in low mass AGB binary system2105.08083v1 · A. Susmitha, D.K. Ojha, T. Sivarani et al.2021 · 6 citationsarXiv
Activity of the first interstellar comet 2I/Borisov around perihelion: Results from Indian observatories2101.02752v1 · Aravind Krishnakumar (1, Shashikiran Ganesh, Kumar Venkataramani et al.2021 · 26 citationsarXiv
A high-resolution spectroscopic study of two new Na- and Al-rich field giants -- likely globular cluster escapees in the Galactic halo2003.03539v1 · Avrajit Bandyopadhyay, Sivarani Thirupathi, Timothy C. Beers et al.2020 · 9 citationsarXiv
Application of Convolutional Neural Networks for Stellar Spectral Classification1909.05459v1 · Kaushal Sharma, Ajit Kembhavi, Aniruddha Kembhavi et al.2019 · 80 citationsarXiv
High-resolution Infrared Spectrograph for Exoplanet Characterization with the Keck and Thirty Meter Telescopes1908.03623v1 · Dimitri Mawet, Michael Fitzgerald, Quinn Konopacky et al.2019 · 27 citationsAstro2020 APC White Paper: Optical and Infrared Observations from the Ground
The Detailed Science Case for the Maunakea Spectroscopic Explorer, 2019 edition1904.04907v1 · The MSE Science Team: Carine Babusiaux, Maria Bergemann, Adam Burgasser et al.2019 · 33 citationsarXiv
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