Looking for the Weak Members of the C60+ Family in the Interstellar Medium

• Autorzy: Galazutdinov G. A. , Krełowski J.

Identyfikatory

DOI

10.32023/0001-5237/67.2.4

• Języki publikacji: EN

Abstrakty

EN

We demonstrate, using the high resolution spectra from the ESPADONS spectrograph, fed with the 3.6 m CFH telescope, that the strength ratios of the strong-to-weak spectral features, attributed to C₆₀+, are variable. We found that in the range of expected 9366 Å C₆₀+ feature there are two diffuse bands centered at 9362.0±0.1 Å and 9365.3±0.1 Å with variable intensity ratio. We confidently confirm the lack of 9428 Å feature which, in the laboratory spectra of C₆₀+, is stronger than 9366 Å. The weakest laboratory feature, near 9348.4 Å, remains below the level of detection in all spectra. The intensity ratio 9577/9365 is variable. These facts contradict the possibility of their common origin and so - the identification of some interstellar spectral features as being carried by the cation of the "soccer ball". We also refined the rest wavelength position of the strongest diffuse band in this range: it is 9576.8±0.1 Å.

Słowa kluczowe

EN

ISM: molecules; ISM: lines and bands

• Wydawca: Copernicus Foundation for Polish Astronomy
• Czasopismo: Acta Astronomica
• Rocznik: 2017
• Tom: Vol. 67, No. 2
• Strony: 159--169
• Opis fizyczny: Bibliogr. 8 poz., tab., wykr.

Twórcy

autor

Galazutdinov G. A.

• Instituto de Astronomia, Universidad Catolica del Norte, Av. Angamos 0610, Antofagasta, Chile
• Pulkovo Observatory, Pulkovskoe Shosse 65, Saint-Petersburg, 196140, Russia
• Special Astrophysical Observatory, Nizhnij Arkhyz, 369167, Russia

autor

Krełowski J.

• Center for Astronomy, Nicholas Copernicus University, Grudziądzka 5, 87-100 Toruń, Poland

Bibliografia

• Campbell, E.K., Holz, M., Gerlich, D., and Maier, J.P. 2015, Nature, 523, 322.
• Campbell, E.K., Holz, M., and Maier, J.P. 2016, ApJ, 826, L4.
• Galazutdinov, G.A., Krełowski, J., Moutou, C., and Musaev, F.A. 1998, MNRAS, 295, 437.
• Galazutdinov, G.A., Shimansky, V.V., Bondar, A., Valyavin, G., and Krełowski, J. 2017, MNRAS, 465, 3956.
• Herbig, G.H., and Soderblom, D.R. 1982, ApJ, 252, 610.
• Vollmann, K., and Eversberg, T. 2006, Astron. Nachr., 327, 862.
• Walker, G.A.H., Bohlender, D.A., Maier, J.P., and Campbell, E.K. 2015, ApJ, 812, 8.
• Walker, G.A.H., Campbell, E.K., Maier, J.P., Bohlender, D., and Malo, L. 2016, ApJ, 831, 130.

Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).