Poshak Gandhi

Research

Research groups

Member of:

Research interests

Accretion & Outflows
Time-domain astronomy
Multi-wavelength surveys (especially X-rays and Infrared)
Science team member NuSTAR and ASTRO-H

Research projects

Active projects

C Knigge - Astrophysics at Southampton

Researchers:

Professor Christian Knigge

Professor Tony Bird ,

Professor Mark Sullivan ,

Professor Francesco Shankar ,

Professor Diego Altamirano ,

Professor Poshak Gandhi ,

Professor Sebastian Hoenig ,

Doctor Matthew Middleton

Sponsor: Science And Technology Facilities Council

Completed projects

Ernest Rutherford Fellowship for Dr Poshak Gandhi - Black Hole Accretion and Outflows

Researchers:

Professor Poshak Gandhi

Sponsor: Science And Technology Facilities Council

Southampton IUCAA Teaching for Astronomical Research and Education

Researchers:

Professor Poshak Gandhi

Sponsor: Science And Technology Facilities Council

Support to attend the Local hard X-ray selected AGN across the multi-wavelength spectrum and pre-conference visit

Researchers:

Professor Poshak Gandhi

Sponsor: Royal Astronomical Society

IOP Conference Travel Fund

Researchers:

Professor Poshak Gandhi

Sponsor: Institute of Physics (IOP)

C Knigge - Astrophysics at Southampton

Researchers:

Professor Christian Knigge

Professor Mark Sullivan ,

Professor Poshak Gandhi ,

Professor Francesco Shankar ,

Doctor Matthew Middleton ,

Professor Sebastian Hoenig

Sponsor: Science & Technology Facilities Council

A low-noise large-area X-ray detector for optical astronomy

Researchers:

Professor Tony Bird

Professor Christian Knigge ,

Professor Diego Altamirano ,

Professor Poshak Gandhi

Sponsor: Research England

Publications

173 publications

Page 1 of 18

A rapid optical and X-ray timing study of the neutron star X-ray binary Swift J1858.6-0814

T. Shahbaz,

J.A. Paice,

K. M. Rajwade,

A. Veledina,

P. Gandhi,

V.S. Dhillon,

T.R. Marsh,

S. Littlefair,

M.R. Kennedy,

R.P. Breton,

& C.J. Clark

, 2023 , Monthly Notices of the Royal Astronomical Society , 542–559

DOI: 10.1093/mnras/stad163

Type: article

Measuring interacting binary mass functions with X-ray fluorescence

Cordelia Dashwood Brown,

Poshak Gandhi,

& Phil Charles

, 2022 , Monthly Notices of the Royal Astronomical Society , 517 (2) , 2426--2435

DOI: 10.1093/mnras/stac2725

Type: article

Spectroscopic follow-up of a sub-set of the Gaia/IPHAS catalogue of Hα-excess sources

M. Fratta,

S. Scaringi,

M. Monguió,

A. F. Pala,

J. E. Drew,

C. Knigge,

K. A. Iłkiewicz,

& P. Gandhi

, 2022 , Monthly Notices of the Royal Astronomical Society , 518 (3) , 3301–3311

DOI: 10.1093/mnras/stac3216

Type: article

A persistent ultraviolet outflow from an accreting neutron star binary transient

N. Castro Segura,

C. Knigge,

K. S. Long,

D. Altamirano,

M. Armas Padilla,

C. Bailyn,

D. A. H. Buckley,

D. J. K. Buisson,

J. Casares,

P. Charles,

J. A. Combi,

V. A. Cúneo,

N. D. Degenaar,

S. del Palacio,

M. Díaz Trigo,

R. Fender,

P. Gandhi,

M. Georganti,

C. Gutiérrez,

J. V. Hernandez Santisteban,

F. Jiménez-Ibarra,

J. Matthews,

M. Méndez,

M. Middleton,

T. Muñoz-Darias,

M. Özbey Arabacı,

M. Pahari,

L. Rhodes,

T. D. Russell,

S. Scaringi,

J. van den Eijnden,

G. Vasilopoulos,

F. M. Vincentelli,

& P. Wiseman

, 2022 , Nature , 603 (7899) , 52--57

DOI: 10.1038/s41586-021-04324-2

Type: article

Multiwavelength optical and NIR variability analysis of the Blazar PKS 0027-426

E. Guise,

S. F. Hönig,

T. Almeyda,

K. Horne,

M. Kishimoto,

M. Aguena,

S. Allam,

F. Andrade-Oliveira,

J. Asorey,

M. Banerji,

E. Bertin,

B. Boulderstone,

D. L. Burke,

A. Carnero Rosell,

D. Carollo,

M. Carrasco Kind,

J. Carretero,

M. Costanzi,

L. N. da Costa,

J. De Vicente,

P. Doel,

S. Everett,

I. Ferrero,

B. Flaugher,

J. Frieman,

P. Gandhi,

M. Goad,

D. Gruen,

R. A. Gruendl,

J. Gschwend,

G. Gutierrez,

S. R. Hinton,

D. L. Hollowood,

K. Honscheid,

D. J. James,

K. Kuehn,

C. Lidman,

M. Lima,

M. A. G. Maia,

U. Malik,

F. Menanteau,

R. Miquel,

R. L. C. Ogando,

A. Palmese,

F. Paz-Chinchón,

M. E. S. Pereira,

A. Pieres,

A. A. Plazas Malagón,

V. Scarpine,

S. Serrano,

I. Sevilla-Noarbe,

N. Seymour,

M. Soares-Santos,

E. Suchyta,

M. E. C. Swanson,

G. Tarle,

C. To,

& B. E. Tucker

, 2022 , Monthly Notices of the Royal Astronomical Society , 510 (3) , 3145--3177

DOI: 10.1093/mnras/stab3457

Type: article

Synchronous X-ray/optical quasi-periodic oscillations from the black hole LMXB MAXI J1820+070

Jessymol K. Thomas,

David A. H. Buckley,

Philip A. Charles,

John A. Paice,

Stephen B. Potter,

James F. Steiner,

Jean-Pierre Lasota,

P. Gandhi,

Lian Tao,

Xiang Ma,

Yi-Jung Yang,

Youli Tuo,

& Shuang-Nan Zhang

, 2022 , Monthly Notices of the Royal Astronomical Society: Letters , 513 (1)

DOI: 10.1093/mnrasl/slab132

Type: article

A Multiwavelength Study of GRS 1716-249 in Outburst: Constraints on Its System Parameters

Payaswini Saikia,

David M. Russell,

M. C. Baglio,

D. M. Bramich,

Piergiorgio Casella,

Maria Diaz Trigo,

Poshak Gandhi,

Jiachen Jiang,

Thomas Maccarone,

Roberto Soria,

Hind Al Noori,

Aisha Al Yazeedi,

Kevin Alabarta,

Tomaso Belloni,

Marion Cadolle Bel,

Chiara Ceccobello,

Stéphane Corbel,

Rob Fender,

Elena Gallo,

Jeroen Homan,

Karri Koljonen,

Fraser Lewis,

Sera B. Markoff,

James C. A. Miller-Jones,

Jerome Rodriguez,

Thomas D. Russell,

Tariq Shahbaz,

Gregory R. Sivakoff,

Vincenzo Testa,

& Alexandra J. Tetarenko

, 2022 , The Astrophysical Journal , 932 (1) , 38

DOI: 10.3847/1538-4357/ac6ce1

Type: article

The First High-contrast images of x-ray binaries

M. Prasow-Émond,

J. Hlavacek-Larrondo,

K. Fogarty,

J. Rameau,

L.-S. Guité,

D. Mawet,

P. Gandhi,

A. Rao,

J. F. Steiner,

É. Artigau,

D. Lafrenière,

A. C. Fabian,

D. J. Walton,

L. M. Weiss,

R. Doyon,

B. B. Ren,

C. L. Rhea,

T. Bégin,

B. Vigneron,

& M.-E. Naud

, 2022 , The Astronomical Journal , 164 (1) , 7

DOI: 10.3847/1538-3881/ac6d57

Type: article

High-density disc reflection spectroscopy of low-mass active galactic nuclei

L. Mallick,

A. C. Fabian,

J. A. García,

J. A. Tomsick,

M. L. Parker,

T. Dauser,

D. R. Wilkins,

B. De Marco,

J. F. Steiner,

R. M. T. Connors,

G. Mastroserio,

A. G. Markowitz,

C. Pinto,

W. N. Alston,

A. M. Lohfink,

& P. Gandhi

, 2022 , Monthly Notices of the Royal Astronomical Society , 513 (3) , 4361--4379

DOI: 10.1093/mnras/stac990

Type: article

Deep near-infrared imaging observation of the faint X-ray point sources constituting the Galactic bulge X-ray emission

Kumiko Morihana,

Masahiro Tsujimoto,

Ken Ebisawa,

& Poshak Gandhi

, 2022 , Publications of the Astronomical Society of Japan , 74 (2) , 283 -- 297

Type: article

Professor Poshak Gandhi

Research interests

Research

Research groups

Research interests

Research projects

Active projects

Completed projects

Publications

Supervision

Current PhD Students

Biography

Prizes