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Table of Contents

• Basic information
• Infrared Fluxes
• Spectral Energy Distributions
• Infrared Images
• Infrared Spectra
• Spitzer Observations
• Further Reading

Basic Information

• Common name: NGC 1365

• Other names: IRAS 03317-3618

• Position: RA= 03h33m36.371s Dec=-36d08m25.45s (J2000)

• Type: barred spiral galaxy, SBb, Seyfert 1.8

• Redshift: z=0.00543 (Bureau et al., 1996ApJ, 463, 60)

Studies of NGC 1365 have found that the galaxy contains an active nucleus that has both broad and narrow component spectral lines. Studies of high excitation lines, such as optical [OIII], have revealed a velocity dispersion that is interpreted to be an outflow cone originating from the nucleus. The region around the nucleus appears to have numerous star forming regions and continuum radio sources. This galaxy has also captured the interest of astronomers who are interested in supernova remnants.

Infrared Fluxes

Spectral Energy Distributions

This SED was created using the sensitivity and saturation values available in November 2004. The black dots are the object surface brightness calculated by assuming the fluxes listed above are uniformly distributed throughout the beam sizes quoted in the reference papers. The green and red lines are the respective sensitivity and saturation limits for each instrument. The sensitivity values used are for a 5 sigma detection of an extended source with a 500 second exposure.

Infrared images

DSS R band (Search the DSS)

2MASS K band (Search the 2MASS Large Galaxy Atlas)

ISO-CAM 6.7 microns (Search the ISO archive)

ISO-CAM 10.7 microns (Search the ISO archive)

5 degree IRAS 12 micron image centered on NGC1365 ( Retrieve IRAS images using OASIS)

ISO-CAM 14.3 microns (Search the ISO archive)

5 degree IRAS 100 micron image centered on NGC1365 ( Retrieve IRAS images using OASIS)

VLA 20 cm (Search the NCSA Astronomy Digital Image Archive)

Infrared Spectra

4 to 16 micron spectra from ISO CVF (Search the ISO archive)

click image for full 2 to 12 micron spectra with ISO-PHT (Search the ISO archive)

click on image for full 40 to 200 micron spectra with ISO-LWS (Search the ISO archive)

Spitzer Observations

• This object is part of a GTO program to obtain IRS Standard Spectra for AGN, Starbursts and QSOs. (Program ID number 14)
  (You can download the AORs (Astronomical Observation Requests) for this object into Spot by using "View Program" under the "File" menu and entering these program IDs.)
• Search the ROC for planned observations

Further reading

• The 2MASS Large Galaxy Atlas, Jarrett, T.H., Chester, T., Cutri, R., Schneider, S.E., Huchra, J.P., 2003, AJ, 125, 525.
• Mid-Infrared line diagnostics of active galaxies. A spectroscopic AGN survey with ISO-SWS, Sturm, E., Lutz, D., Verma, A., Netzer, H., Sternberg, A., Moorwood, A. F. M., Oliva, E., Genzel, R., 2002, A&AS, 393, 821.
• The Far-Infrared Energy Distributions of Seyfert and Starburst Galaxies in the Local Universe: Infrared Space Observatory Photometry of the 12 Micron Active Galaxy Sample, Spinoglio, L., Andreani, P., Malkan, M. A., 2002, ApJ, 572, 105.
• Global physical conditions of the interstellar medium in nearby galaxies, Negishi, T., Onaka, T., Chan, K.-W., Roellig, T. L., 2001, A&A, 375, 566.
• The Near- and Mid-Infrared Continuum Emission of Seyfert Nuclei: Constraints on the Models of Obscuring Tori, Fadda, D., Giuricin, G., Granato, G. L., Vecchies, D., 1998, ApJ, 496, 117.