No Expanding Fireball: Resolving the Recurrent Nova RS Ophiuchi with Infrared Interferometry

J. D. Monnier; R. K. Barry; W. A. Traub; B. F. Lane; R. L. Akeson; S. Ragland; P. A. Schuller; H. Le Coroller; J.-P. Berger; R. Millan-Gabet; E. Pedretti; F. P. Schloerb; C. Koresko; N. P. Carleton; M. G. Lacasse; P. Kern; F. Malbet; K. Perraut; M. J. Kuchner; M. W. Muterspaugh

No Expanding Fireball: Resolving the Recurrent Nova RS Ophiuchi with Infrared Interferometry

J. D. Monnier, R. K. Barry, W. A. Traub, B. F. Lane, R. L. Akeson, S. Ragland, P. A. Schuller, H. Le Coroller, J.-P. Berger, R. Millan-Gabet, E. Pedretti, F. P. Schloerb, C. Koresko, N. P. Carleton, M. G. Lacasse, P. Kern, F. Malbet, K. Perraut, M. J. Kuchner, M. W. Muterspaugh

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Abstract

Following the recent outburst of the recurrent nova RS Oph on 2006 February 12, we measured its near-infrared size using the IOTA, Keck, and PTI Interferometers at multiple epochs. The characteristic size of ~3 mas hardly changed over the first 60 days of the outburst, ruling out currently popular models whereby the near-infrared emission arises from hot gas in the expanding shock. The emission was also found to be significantly asymmetric, evidenced by nonzero closure phases detected by IOTA. The physical interpretation of these data depends strongly on the adopted distance to RS Oph. Our data can be interpreted as the first direct detection of the underlying RS Oph binary, lending support to the recent ``reborn red giant'' models of Hachisu & Kato. However, this result hinges on an RS Oph distance of

Original language	English
Pages (from-to)	L127-L130
Number of pages	4
Journal	The Astrophysical Journal
Volume	647
Issue number	2
Publication status	Published - 1 Aug 2006

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Monnier, J. D., Barry, R. K., Traub, W. A., Lane, B. F., Akeson, R. L., Ragland, S., Schuller, P. A., Le Coroller, H., Berger, J.-P., Millan-Gabet, R., Pedretti, E., Schloerb, F. P., Koresko, C., Carleton, N. P., Lacasse, M. G., Kern, P., Malbet, F., Perraut, K., Kuchner, M. J., & Muterspaugh, M. W. (2006). No Expanding Fireball: Resolving the Recurrent Nova RS Ophiuchi with Infrared Interferometry. The Astrophysical Journal, 647(2), L127-L130. http://adsabs.harvard.edu/abs/2006ApJ...647L.127M

@article{23ca29a73f0a4e2585e2d247ed321afd,

title = "No Expanding Fireball: Resolving the Recurrent Nova RS Ophiuchi with Infrared Interferometry",

abstract = "Following the recent outburst of the recurrent nova RS Oph on 2006 February 12, we measured its near-infrared size using the IOTA, Keck, and PTI Interferometers at multiple epochs. The characteristic size of ~3 mas hardly changed over the first 60 days of the outburst, ruling out currently popular models whereby the near-infrared emission arises from hot gas in the expanding shock. The emission was also found to be significantly asymmetric, evidenced by nonzero closure phases detected by IOTA. The physical interpretation of these data depends strongly on the adopted distance to RS Oph. Our data can be interpreted as the first direct detection of the underlying RS Oph binary, lending support to the recent ``reborn red giant'' models of Hachisu & Kato. However, this result hinges on an RS Oph distance of ",

author = "Monnier, {J. D.} and Barry, {R. K.} and Traub, {W. A.} and Lane, {B. F.} and Akeson, {R. L.} and S. Ragland and Schuller, {P. A.} and {Le Coroller}, H. and J.-P. Berger and R. Millan-Gabet and E. Pedretti and Schloerb, {F. P.} and C. Koresko and Carleton, {N. P.} and Lacasse, {M. G.} and P. Kern and F. Malbet and K. Perraut and Kuchner, {M. J.} and Muterspaugh, {M. W.}",

year = "2006",

month = aug,

day = "1",

language = "English",

volume = "647",

pages = " L127--L130",

journal = "The Astrophysical Journal",

issn = "0004-637X",

publisher = "American Astronomical Society",

number = "2",

}

Monnier, JD, Barry, RK, Traub, WA, Lane, BF, Akeson, RL, Ragland, S, Schuller, PA, Le Coroller, H, Berger, J-P, Millan-Gabet, R, Pedretti, E, Schloerb, FP, Koresko, C, Carleton, NP, Lacasse, MG, Kern, P, Malbet, F, Perraut, K, Kuchner, MJ & Muterspaugh, MW 2006, 'No Expanding Fireball: Resolving the Recurrent Nova RS Ophiuchi with Infrared Interferometry', The Astrophysical Journal, vol. 647, no. 2, pp. L127-L130. <http://adsabs.harvard.edu/abs/2006ApJ...647L.127M>

TY - JOUR

T1 - No Expanding Fireball: Resolving the Recurrent Nova RS Ophiuchi with Infrared Interferometry

AU - Monnier, J. D.

AU - Barry, R. K.

AU - Traub, W. A.

AU - Lane, B. F.

AU - Akeson, R. L.

AU - Ragland, S.

AU - Schuller, P. A.

AU - Le Coroller, H.

AU - Berger, J.-P.

AU - Millan-Gabet, R.

AU - Pedretti, E.

AU - Schloerb, F. P.

AU - Koresko, C.

AU - Carleton, N. P.

AU - Lacasse, M. G.

AU - Kern, P.

AU - Malbet, F.

AU - Perraut, K.

AU - Kuchner, M. J.

AU - Muterspaugh, M. W.

PY - 2006/8/1

Y1 - 2006/8/1

N2 - Following the recent outburst of the recurrent nova RS Oph on 2006 February 12, we measured its near-infrared size using the IOTA, Keck, and PTI Interferometers at multiple epochs. The characteristic size of ~3 mas hardly changed over the first 60 days of the outburst, ruling out currently popular models whereby the near-infrared emission arises from hot gas in the expanding shock. The emission was also found to be significantly asymmetric, evidenced by nonzero closure phases detected by IOTA. The physical interpretation of these data depends strongly on the adopted distance to RS Oph. Our data can be interpreted as the first direct detection of the underlying RS Oph binary, lending support to the recent ``reborn red giant'' models of Hachisu & Kato. However, this result hinges on an RS Oph distance of

AB - Following the recent outburst of the recurrent nova RS Oph on 2006 February 12, we measured its near-infrared size using the IOTA, Keck, and PTI Interferometers at multiple epochs. The characteristic size of ~3 mas hardly changed over the first 60 days of the outburst, ruling out currently popular models whereby the near-infrared emission arises from hot gas in the expanding shock. The emission was also found to be significantly asymmetric, evidenced by nonzero closure phases detected by IOTA. The physical interpretation of these data depends strongly on the adopted distance to RS Oph. Our data can be interpreted as the first direct detection of the underlying RS Oph binary, lending support to the recent ``reborn red giant'' models of Hachisu & Kato. However, this result hinges on an RS Oph distance of

M3 - Article

SN - 0004-637X

VL - 647

SP - L127-L130

JO - The Astrophysical Journal

JF - The Astrophysical Journal

IS - 2

ER -

No Expanding Fireball: Resolving the Recurrent Nova RS Ophiuchi with Infrared Interferometry

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