Publications

Papers in peer-reviewed Journals:

International Journals:

1. P. Thirupathaiah, M. V. Sunil Krishna, and Vir Singh, Effect of solar activity on the latitudinal variation of peak emission rate of 557.7nm dayglow emission under equinox conditions, Journal of Atmospheric and Solar-Terrestrial Physics, 77, 209-218, 2012. (https://doi.org/10.1016/j.jastp.2012.01.004)

2. Maneesha Dharwan, P. Thirupathaiah and Vir Singh, A study of 732.0 nm dayglow emission at the equator under varying atomic oxygen density conditions for equinox and solstice cases, Earth and Space Science, 1,18-31, 2014. (https://doi.org/10.1002/2014EA000019)

3. P. Thirupathaiah and Vir Singh, An updated model of atomic oxygen redline dayglow emission, Advances in Space Research, 54, 939-945, 2014. (http://www.sciencedirect.com/science/article/pii/S0273117714003135)

4. S. A. Haider, I. S. Batista, M. A. Abdu, A. M. Santos, Siddhi Y. Shah, and P. Thirupathaiah, Flare X-ray photochemistry of the E region ionosphere of Mars, Journal of Geophysical Research, 121, 6870-6888, 2016. (doi: 10.1002/2016JA022435)

5. P. Thirupathaiah, Siddhi Y. Shah, and S. A. Haider, Characteristics of solar X-ray flares and their effects on the ionosphere and human exploration to Mars: MGS radio science observations, ICARUS, 330, 60-74, 2019. (https://doi.org/10.1016/j.icarus.2019.04.015)

6. S. A. Haider, P. Thirupathaiah, I. S. Batista, M.A. Abdu, J. H. A. Sobral, and D. Gobbi, Modeling and causative mechanism of OI 630.0 nm nightglow emission over Cachoeira Paulista (22.7oS, 45oW) – Brazil: Seasonal and temporal variability, Advances in Space Research, 69(2), 889-904, 2022 (https://doi.org/10.1016/j.asr.2021.10.018)

7. P. Thirupathaiah, S. A. Haider and J. Masoom, Simulation of Photoelectron Flux, Electron Density, Emission Rate and Limb intensity of CO (a3π) Cameron bands in the Martian Thermosphere: Comparisons with (1) 3 SPICAM, IUVS and ROSE Observations of MEX and MAVEN and (2) Other Model Calculation, Journal of Earth System Science, 131, 78, 2022 (https://doi.org/10.1007/s12040-022-01822-3)

National Journals:

1. P. Thirupathaiah, Vir Singh, and M. V. Sunil Krishna, An analytical approach to estimate atomic oxygen density from greenline dayglow emission in thermosphere at 250 km, Indian Journal of Radio & Space Physics, 42, 219-228, 2013. (http://nopr.niscair.res.in/bitstream/123456789/20912/1/IJRSP%2042%284%29%20219-228.pdf)

2. P. Thirupathaiah, Maneesha Dharwan and Vir Singh, An updated model of O+(2P) 732.0 nm dayglow emission, Indian Journal of Radio & Space Physics, 44, 7-13, 2015. (http://nopr.niscair.res.in/bitstream/123456789/31322/1/IJRSP%2044%281%29%207-13.pdf)

3. P. Thirupathaiah and Sabitha Mohan, Response of Mars’ Ionosphere to Different Types of Solar X-Ray Flares: MGS Observations, International Journal of Research and Analytical Reviews, 5, 710-713, 2018. (http://www.ijrar.org/papers/IJRAR1905195.pdf )

4. Sabitha Mohan and P. Thirupathaiah, Ultrafast Nonlinear Optical Absorption of Silver Nanoparticles, International Journal of Research and Analytical Reviews, 5, 1096-1099, 2018. (http://ijrar.org/papers/IJRAR1944355.pdf )

5. P. Thirupathaiah, Effects of Solar Radiation on the Earth’s Neutral Atmosphere during Minimum, Moderate and Maximum Solar Activity Conditions, International Journal of Research and Analytical Reviews, 10, 131-136, 2023. (https://ijrar.org/viewfull.php?&p_id=IJRAR23D2996)

6. P. Thirupathaiah and Sachin Kumar, Study of Solar X-Class Flares: Goes Observations, International Journal of Research and Analytical Reviews, 11, 25-28, 2024. (https://ijrar.org/viewfull.php?&p_id=IJRAR24D2654)

7. P. Thirupathaiah, Lisy M. Thomas, and Anil K. Das, Response of the Earth’s Ionosphere to Solar Activity during Minimum, Moderate and Maximum Conditions, International Journal of Research and Innovation in Applied Science (IJRIAS), X(XII), 621-629, 2025. https://doi.org/10.51584/IJRIAS.2025.10120047

Papers presented in Conferences/Symposia:

International Level:

1. P. Thirupathaiah, Siddhi Y. Shah and S. A. Haider, Effects of solar X-ray flares on the ionosphere of Mars, ICAMEES held at UPES during 14-15 December 2018. 

2. P. Thirupathaiah and Vir Singh, Effect of geomagnetic storm on Vegard-Kaplan (V- K) Band Dayglow Emission under varying N2 Density Conditions, ICAMEES held at UPES during 14-15 December 2018. 

3. P. Thirupathaiah, and S. A. Haider, Seasonal Variation of OI 630.0 nm Nightglow Emission: Modeling and Observations, 42nd  COSPAR Scientific Assembly, Pasadena, California, USA during July 14-22, 2018. 

4. S. A. Haider, P. Thirupathaiah, and Siddhi Y. Shah, Characteristics of solar X-ray flares and their effects on the ionosphere and human exploration to Mars: MGS Radio Science observations, 42nd COSPAR Scientific Assembly, Pasadena, California, USA during July 14-22, 2018. 

5. S. A. Haider, I. S. Batista, M. A. Abdu, P. Thirupathaiah and S. Y. Shah, Effects of X-ray flares on the ionosphere and human exploration to Mars, 14th Annual Meeting, Asia Oceania Geosciences Society (AOGS), Singapore during 6-11 August 2017 (abstract accepted).

6. C. Kumar, S. Mishra, D. P. Karanam, P. Thirupathaiah, and S. A. Haider, An improved Retarding Potential Analyzer (RPA) for future Mars missions, 14th Annual Meeting, Asia Oceania Geosciences Society (AOGS), Singapore during 6-11 August 2017 (abstract accepted).

7. P. Thirupathaiah and S. A. Haider, Effects of solar zenith angles on CO Cameron band emission intensities in the dayside atmosphere of Mars: MEX/SPICAM observations, 41st COSPAR Scientific Assembly, Istanbul, Turkey during 30 July - 7 August 2016.

8. S. A. Haider, I. S. Batista, M. A. Abdu, A. M. Santos, S. Y. Shah and P. Thirupathaiah, Effects of X-Ray flares on the aeronomy of Mars: simultaneous measurements of ionospheric effects of X-Ray flares on Earth and Mars, 41st COSPAR Scientific Assembly, Istanbul, Turkey during 30 July - 7 August 2016.

9. Vir Singh and P. Thirupathaiah, Model study of peak emission rate of atomic oxygen redline dayglow emission, American Geophysical Union Fall Meeting held at San Francisco (USA) during December 9-13, 2013.

10. Vir Singh and P. Thirupathaiah, Seasonal variation of peak emission rate of redline dayglow emission, 39th COSPAR Scientific Assembly held at Narayana Murthy Centre of Excellence (Infosys Training Centre), Mysore (India) during July 14-22, 2012.

11. M. V. Sunil Krishna and P. Thirupathaiah, A comparative study of model and empirical calculations of OI 557.7 nm peak emission rate, 39th COSPAR Scientific Assembly held at Narayana Murthy Centre of Excellence (Infosys Training Centre), Mysore (India) during July 14-22, 2012.

National Level:

1. P. Thirupathaiah and Vir Singh, Model Study of Vegard-Kaplan (V-K) Band Dayglow Emission under Geomagnetic Storm Conditions, 20th National Space Science Symposium held at Savitribai Phule Pune University, Pune during January 29-31, 2019.

2. P. Thirupathaiah and S. A. Haider, CO Cameron bands in the dayglow of Mars: Modeling and Observations, 19th National Space Science Symposium held at Space Physical Laboratory, Vikram Sarabhai Space Centre, Thiruvananthapuram (Kerala) during February 9-12, 2016.

3. P. Thirupathaiah and Vir Singh, Annual variation of peak emission rate of OII 732.0 nm dayglow emission under high solar activity conditions, 18th National Space Science Symposium held at Dibrugarh University, Dibrugarh (Assam) during January 29-February 1, 2014.

4. Vir Singh, P. Thirupathaiah, M.V. Sunil Krishna, Tikemani Bag, Maneesha Dharwan, An analytical approach to estimate the atomic oxygen density from greenline dayglow emission in thermosphere at 250 km, National Conference on Advances in Physics, Department of Physics, IIT Roorkee during February 25-26, 2012.

5. P. Thirupathaiah, Vir Singh, M. V. Sunil Krishna, and Tikemani Bag, Estimation of atomic oxygen density from greenline dayglow emission in thermosphere above 200 km, 17th National Space Science Symposium held at S. V. University, Tirupati (Andhra Pradesh) during February 14-17, 2012.

6. M. V. Sunil Krishna, Maneesha Dharwan, P. Thirupathaiah, and Vir Singh, A study of latitudinal variation of greenline dayglow emission with solar activity, 17th National Space Science Symposium held at S. V. University, Tirupati (Andhra Pradesh) during February 14-17, 2012.

7. Vir Singh, M. V. Sunil Krishna and P. Thirupathaiah, Morphological study of 844.6 nm dayglow emission, 16th National Space Science Symposium held at Saurashtra University, Rajkot (Gujarat) during February 24-27, 2010.