Personal profile
Research interests
My research is focused on the formation history of nearby galaxies using planetary nebulae as chemodynamical tracers (mainly the great Andromeda galaxy). At Herts, I will work on understanding chemical enrichment in both nearby and higher redshift galaxies. I have previously also worked on galactic open cluster structure and dynamics, as well as galaxy UV luminosity function.
Education/Academic qualification
Physics, PhD, Survey of planetary nebulae in Andromeda (M31): discrete tracers in the disc and inner halo, HEI: Ludwig-Maximilians-Universität
Award Date: 20 Nov 2020
External positions
DST INSPIRE Faculty Fellow, Inter-University Centre for Astronomy and Astrophysics
20 Oct 2021 → 14 Jul 2024
Regular Post Doctoral Fellow, Inter-University Centre for Astronomy and Astrophysics
16 Sept 2020 → 19 Oct 2021
IMPRS PhD student, The European Southern Observatory (ESO)
1 Sept 2017 → 31 Aug 2020
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Collaborations and top research areas from the last five years
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Mass-dependent chemical enrichment sequences of SDSS star-forming galaxies out to z∼0.3 revealed by direct O & Ar abundances
Bhattacharya, S., Arnaboldi, M., Kobayashi, C., Gerhard, O. & Saha, K., 7 May 2026, (E-pub ahead of print) In: Monthly Notices of the Royal Astronomical Society (MNRAS).Research output: Contribution to journal › Article › peer-review
Open Access -
The origin of extreme N-emitters in star-forming galaxies at z < 0.5 with DESI DR1
Bhattacharya, S. & Kobayashi, C., 31 May 2026, In: Monthly Notices of the Royal Astronomical Society (MNRAS). 548, 1, 15 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile -
ChemZz I: Comparing Oxygen and Iron Abundance Patterns in the Milky Way, the Local Group and Cosmic Noon
Monty, S., Strom, A. L., Stanton, T. M., Chruślińska, M., Cullen, F., Kobayashi, C., Starkenburg, T., Bhattacharya, S., Sanders, J. L. & Gieles, M., 30 Jul 2025, In: Monthly Notices of the Royal Astronomical Society (MNRAS). 542, 2, p. 1443-1464 22 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile2 Citations (Scopus)2 Downloads (Pure) -
Chemical signature reveals co-spatial dwarf satellite of an edge-on disc galaxy with MUSE
Somawanshi, D., Bhattacharya, S., Kataria, M., Mishra, P. K. & Kobayashi, C., 1 Jul 2025, In: Monthly Notices of the Royal Astronomical Society: Letters. 541, 1, p. L37-L42 6 p., slaf048.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Citation (Scopus)12 Downloads (Pure) -
The survey of planetary nebulae in Andromeda (M31) VII. Predictions of a major merger simulation model compared with chemodynamical data of the disc and inner halo substructures
Tsakonas, C., Arnaboldi, M., Bhattacharya, S., Hammer, F., Yang, Y., Gerhard, O., Wyse, R. F. G. & Hatzidimitriou, D., 1 Jul 2025, In: Astronomy & Astrophysics. 699, A56.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Citation (Scopus)1 Downloads (Pure)