Carma measurements of the Sunyaev-Zel'dovich effect in RX J1347.5-1145

Thomas J. Plagge, Daniel P Marrone, Zubair Abdulla, Massimiliano Bonamente, John E. Carlstrom, Megan Gralla, Christopher H. Greer, Marshall Joy, James W. Lamb, Erik M. Leitch, Adam Mantz, Stephen Muchovej, David Woody

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

We demonstrate the Sunyaev-Zel'dovich (SZ) effect imaging capabilities of the Combined Array for Research in Millimeter-wave Astronomy (CARMA) by presenting an SZ map of the galaxy cluster RX J1347.5-1145. By combining data from multiple CARMA bands and configurations, we are able to capture the structure of this cluster over a wide range of angular scales, from its bulk properties to its core morphology. We find that roughly 9% of this cluster's thermal energy is associated with sub-arcminute-scale structure imparted by a merger, illustrating the value of high-resolution SZ measurements for pursuing cluster astrophysics and for understanding the scatter in SZ scaling relations. We also find that the cluster's SZ signal is lower in amplitude than suggested by a spherically symmetric model derived from X-ray data, consistent with compression along the line of sight relative to the plane of the sky. Finally, we discuss the impact of upgrades currently in progress that will further enhance CARMA's power as an SZ imaging instrument.

Original languageEnglish (US)
Article number112
JournalAstrophysical Journal
Volume770
Issue number2
DOIs
StatePublished - Jun 20 2013

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astronomy
astrophysics
merger
millimeter waves
compression
energy
thermal energy
line of sight
sky
effect
galaxies
scaling
high resolution
configurations
x rays

Keywords

  • galaxies: clusters: general

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

Plagge, T. J., Marrone, D. P., Abdulla, Z., Bonamente, M., Carlstrom, J. E., Gralla, M., ... Woody, D. (2013). Carma measurements of the Sunyaev-Zel'dovich effect in RX J1347.5-1145. Astrophysical Journal, 770(2), [112]. https://doi.org/10.1088/0004-637X/770/2/112

Carma measurements of the Sunyaev-Zel'dovich effect in RX J1347.5-1145. / Plagge, Thomas J.; Marrone, Daniel P; Abdulla, Zubair; Bonamente, Massimiliano; Carlstrom, John E.; Gralla, Megan; Greer, Christopher H.; Joy, Marshall; Lamb, James W.; Leitch, Erik M.; Mantz, Adam; Muchovej, Stephen; Woody, David.

In: Astrophysical Journal, Vol. 770, No. 2, 112, 20.06.2013.

Research output: Contribution to journalArticle

Plagge, TJ, Marrone, DP, Abdulla, Z, Bonamente, M, Carlstrom, JE, Gralla, M, Greer, CH, Joy, M, Lamb, JW, Leitch, EM, Mantz, A, Muchovej, S & Woody, D 2013, 'Carma measurements of the Sunyaev-Zel'dovich effect in RX J1347.5-1145', Astrophysical Journal, vol. 770, no. 2, 112. https://doi.org/10.1088/0004-637X/770/2/112
Plagge, Thomas J. ; Marrone, Daniel P ; Abdulla, Zubair ; Bonamente, Massimiliano ; Carlstrom, John E. ; Gralla, Megan ; Greer, Christopher H. ; Joy, Marshall ; Lamb, James W. ; Leitch, Erik M. ; Mantz, Adam ; Muchovej, Stephen ; Woody, David. / Carma measurements of the Sunyaev-Zel'dovich effect in RX J1347.5-1145. In: Astrophysical Journal. 2013 ; Vol. 770, No. 2.
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