2025: AAS 246th Press Conference Talk & Press Release
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Press Release on the Chandra website; also featured on NASA, Space.com, Phys.org, Universe Today, SciTechDaily, Times of India, etc.
2024: Invited talk at the high-energy seminar at Harvard-Smithsonian Center for Astrophysics
2024: Poster presentation at the XXXII IAU General Assembly (Poster Link)
2024 Poster presentation at the 25 Years of Science with Chandra Symposium (Abstract Link)
2023: Invited Astro Colloquium for REU Summer Intern Program, Harvard-Smithsonian Center for Astrophysics
2023: Contributed Oral talk at the New England Regional Quasar and AGN Meeting
2023: Poster presentation at the 20th Meeting of the HEA Division of the AAS
2022: Invited talk at the high-energy seminar at Harvard-Smithsonian Center for Astrophysics
2022: Invited talk at the Harvard-Smithsonian Center for AstrophysicsQuasar Tea
2022: Dissertation Oral talk at the 240th meeting of the AAS
2019: Contributed oral talk at the IAU 356 Symposium
2018: iPoster presentation at the 232nd AAS meeting
A toy model to explain AGN unification and orientation effects on observed properties
This video shows a very elementary AGN unification model for the radio-loud class. When the line of sight angle is 0-60 degrees, the AGN is classified as type 1, whereas 60-90 degrees it is classified as type 2 AGN. It also illustrates how orientation derives the continuum spectra and emission line profile of the flat-spectrum radio quasars (FSRQ) and the steep-spectrum radio quasars (SSRQ). In the case of face-on quasars, the jet axis is close to the line of sight, the radiation from the base of the jet gets Doppler boosted. Hence we witness an FSRQ. Whereas, in the case of an edge-on view, no Doppler boosting takes place and we observe an SSRQ (Orr & Browne 1982). Broad emission lines such as Hβ are emitted from the fast-moving clouds of gas in the BLR region with a disk-like geometry, perpendicular to the jet axis. With the orientation, the line of sight velocity of the gas decreases from edge-on to face-on quasars. Hence, edge-on quasars show a broader emission line as compared to face-on quasars (Wills & Browne 1986). Mac Grapher and iMovie software are used to create this video.
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