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Rest et al. reply

Author

Listed:
  • A. Rest

    (Space Telescope Science Institute, 3700 San Martin Drive)

  • J. L. Prieto

    (Carnegie Observatories, 813 Santa Barbara Street
    Princeton University, Peyton Hall, Princeton, New Jersey 08544, USA)

  • N. R. Walborn

    (Space Telescope Science Institute, 3700 San Martin Drive)

  • N. Smith

    (‖ Steward Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, Arizona 85721, USA)

  • F. B. Bianco

    (Las Cumbres Observatory Global Telescope Network
    University of California)

  • R. Chornock

    (Harvard-Smithsonian Center for Astrophysics, 60 Garden Street)

  • D. L. Welch

    (McMaster University, Hamilton, Ontario, L8S 4M1, Canada)

  • D. A. Howell

    (Las Cumbres Observatory Global Telescope Network
    University of California)

  • M. E. Huber

    (Johns Hopkins University, Baltimore, 3400 North Charles Street, Maryland 21218, USA)

  • R. J. Foley

    (Harvard-Smithsonian Center for Astrophysics, 60 Garden Street)

  • W. Fong

    (Harvard-Smithsonian Center for Astrophysics, 60 Garden Street)

  • B. Sinnott

    (McMaster University, Hamilton, Ontario, L8S 4M1, Canada)

  • H. E. Bond

    (Space Telescope Science Institute, 3700 San Martin Drive)

  • R. C. Smith

    (‡‡ Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, Colina el Pino S/N, La Serena, Chile)

  • I. Toledo

    (§§ ALMA, KM 121 CH 23, San Pedro de Atacama, II Region, Chile)

  • D. Minniti

    (Pontifica Universidad Catolica, Avenida Vicuna Mackenna 4860, Santiago 22, Chile)

  • K. Mandel

    (Harvard-Smithsonian Center for Astrophysics, 60 Garden Street
    Imperial College London, Blackett Laboratory)

Abstract

Replying to K. Davidson & R. M. Humphreys Nature486,http://dx.doi.org/10.1038/nature11166(2012). In our Letter1 reporting the light echoes of η Carinae we analysed the spectral characteristics of η Carinae during the Great Eruption of the mid-1800s, and found the line content to be similar to that of G supergiant stars. This we interpret as evidence that η Carinae’s Great Eruption was not a typical luminous blue variable (LBV) outburst, because spectra similar to those of F and A supergiant stars, earlier and hotter than G-type stars, are observed in LBV eruptions of all kinds, in agreement with theoretical predictions. Davidson & Humphreys2 object that our spectral type and temperature estimate are not sufficiently robust, and that the spectral features are in agreement with their theoretical predictions.

Suggested Citation

  • A. Rest & J. L. Prieto & N. R. Walborn & N. Smith & F. B. Bianco & R. Chornock & D. L. Welch & D. A. Howell & M. E. Huber & R. J. Foley & W. Fong & B. Sinnott & H. E. Bond & R. C. Smith & I. Toledo & , 2012. "Rest et al. reply," Nature, Nature, vol. 486(7403), pages 1-2, June.
    • Handle: RePEc:nat:nature:v:486:y:2012:i:7403:d:10.1038_nature11167
    DOI: 10.1038/nature11167
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