T. Sivarani

indian space research organisation (isro)

33H指数

216论文数

1.9W被引数

收录论文 72

发表时间

On the Origin of Neutron-capture Elements in r-I and r-II Stars: A Differential-abundance Analysis 关于r-I和r-II型恒星中中子俘获元素的起源：一项丰度差异分析

The Astrophysical Journal

IF0

2025-11-14

OAAI

Pallavi Saraf; Thirupathi Sivarani; Timothy C. Beers; Yutaka Hirai; Masaomi Tanaka; Carlos Allende Prieto; Drisya Karinkuzhi

Long-term monitoring of a dynamically new comet C/2020 V2 (ZTF)对动态新彗星C/2020 V2 (ZTF)的长期监测

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2025-10-01

OAAI

Ahuja, Goldy; Aravind, K.; Ganesh, Shashikiran; Hmiddouch, Said; Vander Donckt, Mathieu; Jehin, Emmanuel; Sahu, Devendra; Sivarani, T.

Non-linear solar EUV-driven sodium release from the lunar surface: a contrast to the linear PSD model 非线性的太阳EUV驱动的月球表面钠释放：与线性PSD模型的对比

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2025-10-01

PREAI

Devaraj, A.; Narendranath, S.; Kartha, Sreeja S.; Sarantos, M.; Krishna, R. Akhil; Mathew, Blesson; Sivarani, T.; Nidhi, S.; Anbazhagan, P.; Selvakumar, G.

Low-resolution transit spectroscopy of three hot Jupiters using the 2 m Himalayan Chandra Telescope

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2024-10-21

OAAI

Unni, Athira; Sivarani, Thirupathi; Goyal, Jayesh; Joshi, Yogesh C.; Oza, Apurva, V; Banyal, Ravinder K.

Redshifted Sodium Transient near Exoplanet Transit

ASTROPHYSICAL JOURNAL LETTERS

IF11.7

2024-09-30

OAAI

Oza, Apurva V.; Seidel, Julia V.; Hoeijmakers, H. Jens; Unni, Athira; Kesseli, Aurora Y.; Schmidt, Carl A.; Sivarani, Thirupathi; Bello-Arufe, Aaron; Gebek, Andrea; zu Westram, Moritz Meyer; Sousa, Sergio G.; Lopes, Rosaly M. C.; Hu, Renyu; de Kleer, Katherine; Fisher, Chloe; Charnoz, Sebastien; Baker, Ashley D.; Halverson, Samuel P.; Schneider, Nick M.; Psaridi, Angelica; Wyttenbach, Aurelien; Torres, Santiago; Bhatnagar, Ishita; Johnson, Robert E.

A Partial Near-infrared Guide Star Catalog for Thirty Meter Telescope Operations

ASTRONOMICAL JOURNAL

IF5.1

2024-07-08

OAAI

Shah, Sarang; Subramanian, Smitha; Avinash, C. K.; Andersen, David R.; Skidmore, Warren; Anupama, G. C.; Delgado, Francisco; Gillies, Kim; Gopinathan, Maheshwar; Ramaprakash, A. N.; Reddy, B. E.; Sivarani, T.; Subramaniam, Annapurni

Age Analysis of Extrasolar Planets: Insight from Stellar Isochrone Models

ASTRONOMICAL JOURNAL

IF5.1

2024-05-17

OAAI

Swastik, C.; Banyal, Ravinder K.; Narang, Mayank; Unni, Athira; Sivarani, T.

Optical spectroscopy of comets using Hanle Echelle Spectrograph (HESP)

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2024-03-05

OAAI

Aravind, K.; Venkataramani, Kumar; Ganesh, Shashikiran; Surya, Arun; Sivarani, Thirupathi; Sahu, Devendra; Unni, Athira; Bhardwaj, Anil

A chemodynamical analysis of bright metal-poor stars from the HESP-GOMPA survey - indications of a non-prevailing site for light r-process elements

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2024-02-29

OAAI

Bandyopadhyay, Avrajit; Beers, Timothy C.; Ezzeddine, Rana; Sivarani, Thirupathi; Nayak, Prasanta K.; Pandey, Jeewan C.; Saraf, Pallavi; Susmitha, Antony

Field blue straggler stars: discovery of white dwarf companions to blue metal-poor stars using UVIT/AstroSat

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2023-08-07

OAAI

Panthi, Anju; Subramaniam, Annapurni; Vaidya, Kaushar; Jadhav, Vikrant; Rani, Sharmila; Thirupathi, Sivarani; Pandey, Sindhu

Age Distribution of Exoplanet Host Stars: Chemical and Kinematic Age Proxies from GAIA DR3

ASTRONOMICAL JOURNAL

IF5.1

2023-08-04

OAAI

Swastik, C.; Banyal, Ravinder K.; Narang, Mayank; Unni, Athira; Banerjee, Bihan; Manoj, P.; Sivarani, T.

Decoding the compositions of four bright r-process-enhanced stars

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2023-07-27

OAAI

Saraf, Pallavi; Prieto, Carlos Allende; Sivarani, Thirupathi; Bandyopadhyay, Avrajit; Beers, Timothy C.; Susmitha, A.

Globular Cluster UVIT Legacy Survey (GlobULeS). III. Omega Centauri in Far-ultraviolet

ASTROPHYSICAL JOURNAL LETTERS

IF11.7

2022-11-02

OAAI

Prabhu, Deepthi S.; Subramaniam, Annapurni; Sahu, Snehalata; Chung, Chul; Leigh, Nathan W. C.; Dalessandro, Emanuele; Chatterjee, Sourav; Rao, N. Kameswara; Shara, Michael; Cote, Patrick; Choudhury, Samyaday; Pandey, Gajendra; Valcarce, Aldo A. R.; Singh, Gaurav; Postma, Joesph E.; Rani, Sharmila; Bandyopadhyay, Avrajit; Geller, Aaron M.; Hutchings, John; Puzia, Thomas; Simunovic, Mirko; Sohn, Young-Jong; Thirupathi, Sivarani; Yadav, Ramakant Singh

Carbon Abundance of Stars in the LAMOST-Kepler Field

ASTRONOMICAL JOURNAL

IF5.1

2022-10-10

OAAI

Unni, Athira; Narang, Mayank; Sivarani, Thirupathi; Puravankara, Manoj; Banyal, Ravinder K.; Surya, Arun; Rajaguru, S. P.; Swastik, C.

Li Distribution, Kinematics, and Detailed Abundance Analysis among Very Metal-poor Stars in the Galactic Halo from the HESP-GOMPA Survey

ASTROPHYSICAL JOURNAL

IF5.4

2022-09-27

OAAI

Bandyopadhyay, Avrajit; Sivarani, Thirupathi; Beers, Timothy C.; Susmitha, A.; Nayak, Prasanta K.; Pandey, Jeewan C.

The Stability of Fiber Spectrographs in the Faint-source Regime

ASTRONOMICAL JOURNAL

IF5.1

2022-08-11

OAAI

Bundy, Kevin; Law, David; MacDonald, Nick; Westfall, Kyle B.; Sivarani, T.; Divakar, Devika; Bershady, Matthew; Gu, Meng; Yan, Renbin; Roy, Namrata; Poppett, Claire; Drory, Niv

Galactic Chemical Evolution of Exoplanet Hosting Stars: Are High-mass Planetary Systems Young?

ASTRONOMICAL JOURNAL

IF5.1

2022-07-19

OAAI

Swastik, C.; Banyal, Ravinder K.; Narang, Mayank; Manoj, P.; Sivarani, T.; Rajaguru, P.; Unni, Athira; Banerjee, Bihan

Globular Cluster UVIT Legacy Survey (GlobULeS) - I. FUV-optical colour-magnitude diagrams for eight globular clusters

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2022-05-02

OAAI

Sahu, Snehalata; Subramaniam, Annapurni; Singh, Gaurav; Yadav, Ramakant; Valcarce, Aldo R.; Choudhury, Samyaday; Rani, Sharmila; Prabhu, Deepthi S.; Chung, Chul; Cote, Patrick; Leigh, Nathan; Geller, Aaron M.; Chatterjee, Sourav; Rao, N. Kameswara; Bandyopadhyay, Avrajit; Shara, Michael; Dalessandro, Emanuele; Pandey, Gajendra; Postma, Joesph E.; Hutchings, John; Simunovic, Mirko; Stetson, Peter B.; Thirupathi, Sivarani; Puzia, Thomas; Sohn, Young-Jong

The TESS-Keck Survey. VIII. Confirmation of a Transiting Giant Planet on an Eccentric 261 Day Orbit with the Automated Planet Finder Telescope*

ASTRONOMICAL JOURNAL

IF5.1

2022-01-13

OAAI

Dalba, Paul A.; Kane, Stephen R.; Dragomir, Diana; Villanueva, Steven, Jr.; Collins, Karen A.; Jacobs, Thomas Lee; LaCourse, Daryll M.; Gagliano, Robert; Kristiansen, Martti H.; Omohundro, Mark; Schwengeler, Hans M.; Terentev, Ivan A.; Vanderburg, Andrew; Fulton, Benjamin; Isaacson, Howard; Van Zandt, Judah; Howard, Andrew W.; Thorngren, Daniel P.; Howell, Steve B.; Batalha, Natalie M.; Chontos, Ashley; Crossfield, Ian J. M.; Dressing, Courtney D.; Huber, Daniel; Petigura, Erik A.; Robertson, Paul; Roy, Arpita; Weiss, Lauren M.; Behmard, Aida; Beard, Corey; Brinkman, Casey L.; Giacalone, Steven; Hill, Michelle L.; Lubin, Jack; Mayo, Andrew W.; Mocnik, Teo; Murphy, Joseph M. Akana; Polanski, Alex S.; Rice, Malena; Rosenthal, Lee J.; Rubenzahl, Ryan A.; Scarsdale, Nicholas; Turtelboom, Emma, V; Tyler, Dakotah; Benni, Paul; Boyce, Pat; Esposito, Thomas M.; Girardin, E.; Laloum, Didier; Lewin, Pablo; Mann, Christopher R.; Marchis, Franck; Schwarz, Richard P.; Srdoc, Gregor; Steuer, Jana; Sivarani, Thirupathi; Unni, Athira; Eisner, Nora L.; Fetherolf, Tara; Li, Zhexing; Yao, Xinyu; Pepper, Joshua; Ricker, George R.; Vanderspek, Roland; Latham, David W.; Seager, S.; Winn, Joshua N.; Jenkins, Jon M.; Burke, Christopher J.; Eastman, Jason D.; Lund, Michael B.; Rodriguez, David R.; Rowden, Pamela; Ting, Eric B.; Villasenor, Jesus Noel

The metal-poor end of the Spite plateau II. Chemical and dynamical investigation

ASTRONOMY & ASTROPHYSICS

IF5.8

2021-10-27

OAAI

Pinto, A. M. Matas; Spite, M.; Caffau, E.; Bonifacio, P.; Sbordone, L.; Sivarani, T.; Steffen, M.; Spite, F.; Francois, P.; Di Matteo, P.

研究方向