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Dr Ben Maughan

Dr Ben Maughan

Dr Ben Maughan
M.Phys(Wales), Ph.D.(Birm.)

Reader in Astrophysics

Office 4.19
HH Wills Physics Laboratory,
Tyndall Avenue, Bristol BS8 1TL
(See a map)

+44 (0) 117 3316822


I study clusters of galaxies, which are the largest gravitationally bound objects in the Universe. In particular I use X-ray observations to measure the properties of the hot gas that fills galaxy clusters, and use that information to try to determine their masses.

The numbers and masses of galaxy clusters can tell us a great deal about the properties of our Universe, including the nature of the dark matter and energy that dominate the Universe.


  • astronomy
  • galaxy clusters
  • cosmology
  • universe
  • structure formation
  • x-ray astronomy
  • dark matter
  • astrophysics



Interface Analysis Centre

School of Physics

Physics staff

Research areas

Research groups

Recent publications

  • Logan, CH, Maughan, BJ, Bremer, MN, Giles, P, Birkinshaw, M, Chiappetti, L, Clerc, N, Faccioli, L, Koulouridis, E, Pacaud, F, Pierre, M, Ramos-Ceja, ME, Vignali, C & Willis, JP, 2018, ‘The XXL Survey: XXXIII. Chandra constraints on the AGN contamination of z > 1 XXL galaxy clusters’. Astronomy and Astrophysics, vol 620.
  • Pacaud, F, Pierre, M, Melin, JB, Adami, C, Evrard, AE, Galli, S, Gastaldello, F, Maughan, BJ, Sereno, M, Alis, S, Altieri, B, Birkinshaw, M, Chiappetti, L, Faccioli, L, Giles, PA, Horellou, C, Iovino, A, Koulouridis, E, Le Fèvre, JP, Lidman, C, Lieu, M, Maurogordato, S, Moscardini, L, Plionis, M, Poggianti, BM, Pompei, E, Sadibekova, T, Valtchanov, I & Willis, JP, 2018, ‘The XXL Survey: XXV. Cosmological analysis of the C1 cluster number counts’. Astronomy and Astrophysics, vol 620.
  • Adami, C, Giles, P, Koulouridis, E, Pacaud, F, Caretta, CA, Pierre, M, Eckert, D, Ramos-Ceja, ME, Gastaldello, F, Fotopoulou, S, Guglielmo, V, Sadibekova, T, Iovino, A, Maughan, B, Chiappetti, L, Alis, S, Altieri, B, Baldry, I, Bottini, D, Birkinshaw, M, Bremer, M, Brown, M, Cucciati, O, Driver, S, Elmer, E, Ettori, S, Evrard, AE, Faccioli, L, Granett, B, Grootes, M, Guzzo, L, Hopkins, A, Horellou, C, Lefèvre, JP, Liske, J, Malek, K, Marulli, F, Maurogordato, S, Owers, M, Paltani, S & others 2018, ‘The XXL Survey: XX. The 365 cluster catalogue’. Astronomy and Astrophysics, vol 620.
  • Mantz, AB, Abdulla, Z, Allen, SW, Carlstrom, JE, Logan, CH, Marrone, DP, Maughan, BJ, Willis, JP, Pacaud, F & Pierre, M, 2018, ‘The XXL Survey: XVII. X-ray and Sunyaev-Zel'dovich properties of the redshift 2.0 galaxy cluster XLSSC 122’. Astronomy and Astrophysics, vol 620.
  • Farahi, A, Guglielmo, V, Evrard, AE, Poggianti, BM, Adami, C, Ettori, S, Gastaldello, F, Giles, PA, Maughan, BJ, Rapetti, D, Sereno, M, Altieri, B, Baldry, I, Birkinshaw, M, Bolzonella, M, Bongiorno, A, Brown, M, Chiappetti, L, Driver, SP, Elyiv, A, Garilli, B, Guennou, L, Hopkins, A, Iovino, A, Koulouridis, E, Liske, J, Maurogordato, S, Owers, M, Pacaud, F, Pierre, M, Plionis, M, Ponman, T, Robotham, A, Sadibekova, T, Scodeggio, M, Tuffs, R & Valtchanov, I, 2018, ‘The XXL Survey: XXIII. The mass scale of XXL clusters from ensemble spectroscopy’. Astronomy and Astrophysics, vol 620.
  • Pierre, M, Adami, C, Birkinshaw, M, Chiappetti, L, Ettori, S, Evrard, A, Faccioli, L, Gastaldello, F, Giles, P, Horellou, C, Iovino, A, Koulouridis, E, Lidman, C, Le Brun, A, Maughan, B, Maurogordato, S, McCarthy, I, Miyazaki, S, Pacaud, F, Paltani, S, Plionis, M, Reiprich, T, Sadibekova, T, Smolcic, V, Snowden, S, Surdej, J, Tsirou, M, Vignali, C, Willis, J, Alis, S, Altieri, B, Baran, N, Benoist, C, Bongiorno, A, Bremer, M, Cappi, A, Caretta, C, Ciliegi, P, Clerc, N, Corasaniti, PS & others 2017, ‘The XXL survey: First results and future’. Astronomische Nachrichten, vol 338., pp. 334?341
  • Rhodes, J, Nichol, RC, Aubourg, &#x, Be;an, R, Boutigny, D, Bremer, MN, Capak, P, Cardone, V, Carry, B, Conselice, CJ, Connolly, AJ, Cuillandre, J-C, Hatch, NA, Helou, G, Hemmati, S, Hildebrandt, H, Hložek, R, Jones, L, Kahn, S, Kiessling, A, Kitching, T, Lupton, R, Mandelbaum, R, Markovic, K, Marshall, P, Massey, R, Maughan, BJ, Melchior, P, Mellier, Y, Newman, JA, Robertson, B, Sauvage, M, Schrabback, T, Strauss, MA & Von Der Linden, A, 2017, ‘Scientific Synergy Between LSST and Euclid’. Astrophysical Journal Supplement Series., pp. 21
  • Giles, PA, Maughan, BJ, Dahle, H, Bonamente, M, Landry, D, Jones, C, Joy, M, Murray, SS & Van Der Pyl, NLH, 2017, ‘Chandra Measurements of a Complete Sample of X-ray Luminous Galaxy Clusters: The Luminosity-Mass Relation’. Monthly Notices of the Royal Astronomical Society, vol 465., pp. 858-884
  • Zou, S, Maughan, BJ, Giles, PA, Vikhlinin, A, Pacaud, F, Burenin, R & Hornstrup, A, 2016, ‘The X-ray luminosity-temperature relation of a complete sample of low-mass galaxy clusters’. Monthly Notices of the Royal Astronomical Society, vol 463., pp. 820-831
  • Maughan, BJ, Giles, PA, Rines, KJ, Diaferio, A, Geller, MJ, Van Der Pyl, N & Bonamente, M, 2016, ‘Hydrostatic and Caustic Mass Profiles of Galaxy Clusters’. Monthly Notices of the Royal Astronomical Society, vol 461., pp. 4182-4191

View complete publications list in the University of Bristol publications system

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