Objects of interest in the GLIMPSE survey region


Click on the range of interest to get MSX 8 micron map ( * ) with positions of sources overlaid.

By moving your cursor on and off the image you can "blink" the position of the sources

10-15 degrees 15-20 degrees 20-25 degrees 25-30 degrees 30-35 degrees 35-40 degrees
40-45 degrees 45-50 degrees 50-55 degrees 55-60 degrees 60-65 degrees 65-70 degrees
290-295 degrees 295-300 degrees 300-305 degrees 305-310 degrees 310-315 degrees 315-320 degrees
320-325 degrees 325-330 degrees 330-335 degrees 335_340 degrees 340-345 degrees 345-350 degrees
W51 verification area Close up of W51 area

Colorbar (Watts/m^2/sr) --- Colorbar (MJy/sr)


IDL binary file of IRAS point sources in GLIMPSE area ---- IDL binary file of MSX point sources in GLIMPSE area


Color-Color plots for IR emitting objects


This first image contains models of Whitney et al and is included in the first GLIMPSE paper.
The next plots are based on the excellent paper comparing MSX and 2MASS observations of the LMC by Egan, van Dyk, & Price (2001 AJ 122, 1844)

(J-K) vs (K-A) --- (H-K) vs (K-A) --- MSX band response function

Band A is centered at 8.3 microns. The response function comes from the homepage of Mehrdad Moshir

Bob's rough approximation to A band response function:


The following flux densities correspond to zero magnitude for MSX data: This comes from Cohen, Hammersley, & Egan (2000 AJ, 120, 3362).


Neglecting (for now) the difference between the MSX 8 micron band and the IRAC 8 micron band, we have roughly the following limits for point source sensitivity/saturation:


Absolute magnitudes for IR emitting objects

Histogram of absolute [A] magnitude of color selected HII regions in the LMC (no extinction correction) --- Postscript version (From Compiled using data from Egan et al. 2001 AJ 122, 1844 )


Compiled by Bob Benjamin