Pigment or Compound Name:	Rhodobacter sphaeroides (in vivo, Schwieterman et al. 2015)
Type:	biological pigment
Medium Type:	whole cell
Description:	Reflectance spectrum of Rhodobacter sphaeroides
	
x-axis label:	wavelength
x-axis units:	nm
y-axis label:	reflectance
y-axis units:	fraction
error label:	
error units:	
	
Source/Contact:	Edward Schwieterman, University of Washington, eschwiet@uw.edu
	
Reference:	Schwieterman, E.W.; Cockell, C.S.;  Meadows, V.S. 2015. Non-Photosynthetic Pigments as Biosignatures, Astrobiology, 15(5). 
	
Comments:	Reflectance spectrum of pure culture of Rhodobacter sphaeroides (DSMZ (https://dsmz.de/) strain ID #158). Measurements made with Ocean Optics USB2000+ UV/VIS spectrometer (grating #3) with Ocean Optics R400-7 reflectance probe.
                Visual color brown-green. Absorption maxima at 520 nm & 600 nm due to combination of spheroidene, spheroidenone, and Bchl a; 800 nm and 850 nm due to Bchl a. Strongest reflectance increases over 540-570 nm and 610-640 nm. 		

Keywords:	Rhodobacter sphaeroides, purple bacteria, anaerobic photoautotroph, anaerobic photoheterotroph, aerobic chemoheterotroph, spheroidenone, neurosporene, bacteriochlorophyll a, anoxygenic, photosynthesis, anaerobe
	
Datafile name:	Rhodobacter_sphaeroides_ref_Schwieterman_2015.csv