A high-resolution image of the inner shell of the P Cygni nebula in the infrared [Fe II] line

C. Arcidiacono, R. Ragazzoni, C. Morossi, M. Franchini, P. Di Marcantonio, C. Kulesa, Donald W Mccarthy, R. Briguglio, M. Xompero, L. Busoni, F. Quirós-Pacheco, E. Pinna, K. Boutsia, D. Paris

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Using the adaptive optics system of the Large Binocular Telescope, we have obtained nearinfrared camera PISCES images of the inner shell of the nebula around the luminous blue variable star P Cygni in the [Fe II] emission line at 1.6435 μm. We have combined the images in order to cover a field of view of about 20 arcsec around P Cygni, thus providing the highresolution (0.08 arcsec) two-dimensional spatial distribution of the inner shell of the P Cygni nebula in [Fe II].We have identified several nebular emission regions that are characterized by a signal-to-noise ratio > 3. A comparison of our results with those available in the literature shows full consistency with the findings of Smith & Hartigan, which are based on radial velocity measurements, and relatively good agreement with the extension of emission nebula in [N II] λ6584 found by Barlow et al. We have clearly also detected extended emission inside the radial distance R=7.8 arcsec and outside R=9.7 arcsec, which are the nebular boundaries proposed by Smith & Hartigan. New complementary spectroscopic observations are planned in order to measure radial velocities and to derive the three-dimensional distribution of the P Cygni nebula.

Original languageEnglish (US)
Article numberstu1182
Pages (from-to)1142-1150
Number of pages9
JournalMonthly Notices of the Royal Astronomical Society
Volume443
Issue number2
DOIs
StatePublished - 2014

Fingerprint

image resolution
nebulae
shell
high resolution
radial velocity
blue stars
variable stars
field of view
adaptive optics
velocity measurement
signal-to-noise ratio
spatial distribution
signal to noise ratios
cameras
telescopes

Keywords

  • Circumstellar matter
  • Instrumentation: adaptive optics
  • Stars: individual: P Cygni

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

Arcidiacono, C., Ragazzoni, R., Morossi, C., Franchini, M., Di Marcantonio, P., Kulesa, C., ... Paris, D. (2014). A high-resolution image of the inner shell of the P Cygni nebula in the infrared [Fe II] line. Monthly Notices of the Royal Astronomical Society, 443(2), 1142-1150. [stu1182]. https://doi.org/10.1093/mnras/stu1182

A high-resolution image of the inner shell of the P Cygni nebula in the infrared [Fe II] line. / Arcidiacono, C.; Ragazzoni, R.; Morossi, C.; Franchini, M.; Di Marcantonio, P.; Kulesa, C.; Mccarthy, Donald W; Briguglio, R.; Xompero, M.; Busoni, L.; Quirós-Pacheco, F.; Pinna, E.; Boutsia, K.; Paris, D.

In: Monthly Notices of the Royal Astronomical Society, Vol. 443, No. 2, stu1182, 2014, p. 1142-1150.

Research output: Contribution to journalArticle

Arcidiacono, C, Ragazzoni, R, Morossi, C, Franchini, M, Di Marcantonio, P, Kulesa, C, Mccarthy, DW, Briguglio, R, Xompero, M, Busoni, L, Quirós-Pacheco, F, Pinna, E, Boutsia, K & Paris, D 2014, 'A high-resolution image of the inner shell of the P Cygni nebula in the infrared [Fe II] line', Monthly Notices of the Royal Astronomical Society, vol. 443, no. 2, stu1182, pp. 1142-1150. https://doi.org/10.1093/mnras/stu1182
Arcidiacono C, Ragazzoni R, Morossi C, Franchini M, Di Marcantonio P, Kulesa C et al. A high-resolution image of the inner shell of the P Cygni nebula in the infrared [Fe II] line. Monthly Notices of the Royal Astronomical Society. 2014;443(2):1142-1150. stu1182. https://doi.org/10.1093/mnras/stu1182
Arcidiacono, C. ; Ragazzoni, R. ; Morossi, C. ; Franchini, M. ; Di Marcantonio, P. ; Kulesa, C. ; Mccarthy, Donald W ; Briguglio, R. ; Xompero, M. ; Busoni, L. ; Quirós-Pacheco, F. ; Pinna, E. ; Boutsia, K. ; Paris, D. / A high-resolution image of the inner shell of the P Cygni nebula in the infrared [Fe II] line. In: Monthly Notices of the Royal Astronomical Society. 2014 ; Vol. 443, No. 2. pp. 1142-1150.
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AU - Franchini, M.

AU - Di Marcantonio, P.

AU - Kulesa, C.

AU - Mccarthy, Donald W

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