NAME OF THE GALAXY
NGC 4490


TYPE OF OBSERVATION			FLUX	INSTRUMENT	REFERENCE	 IMAGE/MAP--TOTAL FLUX--INSTRUMENT--RESOLUTION--REFERENCE

HI 21 cm observations (Single Dish)	231.0	NRAO 91m	Davis,et al
HI 21 cm observations (Single Dish)	Jy km s^-1		ApJS,53,269

HI 21cm (Interferomety)

Radio continuum (1.4 GHz)		.83 Jy	Green Bank	Condon,et al
Radio continuum (1.4 GHz)					AJ,96,30
Radio continuum (1.4 GHz)  							 map: 1.49 GHz	  S=774.0mJy VLA   beam=54"	Condon,et al
Radio continuum (1.4 GHz)									  				ApJS,73,359
Radio continuum (1.4 GHz)
Radio continuum (1.4 GHz)							map: 1490MHz	756 mJy	  VLA	res:	Gioia&Fabbiano
Radio continuum (1.4 GHz)											40"	ApJS,63,771
Radio continuum (1.4 GHz)   		F(1.4GHz)   GreenBank	White & Becker
Radio continuum (1.4 GHz)		 =838 mJy		ApJS,79,331

Molecules CO				I(CO 1-0)=3.0	 NRAO	Jackson,et al	CO 1-0 map:  6.2 K km s^-1 arcmin^2	NRAO	Sage
Molecules CO					K km s^-1	ApJ,337,680	(5 postns)				12m	A&A,272,123

          HCN
          CS

Optical Broadband  U

Optical Broadband  B			B=26 mag/"^2	(bibliog:	Davoust & Pence
Optical Broadband  B			 =25		 data from	A&AS,49,631
Optical Broadband  B					 the lit.)

Optical Broadband  V

Optical Broadband  R

Near Infrared      J
Near Infrared      H
Near Infrared	   K

Narrow Band - Bracket Gamma     
Narrow Band - H-alpha
UV Imaging

ROSAT/ASCA/other X-ray observations

					LINES OBSERVED		FLUXES/EQUIVALLENT WIDTHS	OTHERS

Optical spectra

IUE 






OTHER MEASUREMENTS/COMMENTS