NAME OF THE GALAXY
NGC 4457


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

HI 21 cm observations (Single Dish)	7.4   	    (all data from	Eskridge&Pogge
HI 21 cm observations (Single Dish)	Jy km s^-1  the literature)	AJ,101,2056
HI 21 cm observations (Single Dish)
HI 21 cm observations (Single Dish)	3.3 Jy km s^-1	Arecibo	 	 Giovanardi,et al
HI 21 cm observations (Single Dish)				 	 AJ,88,1719
HI 21 cm observations (Single Dish)
HI 21 cm observations (Single Dish)	7.4 Jy km s^-1	Arecibo?	Chamaraux,et al
HI 21 cm observations (Single Dish)					A&A,165,15
HI 21 cm observations (Single Dish)
HI 21 cm observations (Single Dish)						map:	F=4.51 Jy km s^-1	Arecibo	 Hoffman,et al
HI 21 cm observations (Single Dish)											 ApJS,69,65

HI 21cm (Interferomety)

Radio continuum (1.4 GHz)		F(20cm)=2.7mJy	VLA	Saikia,et al
Radio continuum (1.4 GHz)					MNRAS,270,46
Radio continuum (1.4 GHz)
Radio continuum (1.4 GHz)		S(core)=7.2+/-.3mJy	VLA	Hummel,et al
Radio continuum (1.4 GHz)		S(tot) =7.2+/-.3mJy		A&AS,70,517

Molecules CO				493+/-120   FCRAO	Thronson, et al
Molecules CO				Jy km s^-1  13.7m	ApJ, 344, 747

          HCN
          CS

Optical Broadband  U

Optical Broadband  B

Optical Broadband  V			V=26 mag/"^2	(bibliog:	Pence & Davoust
Optical Broadband  V					 data from	A&AS,60,517
Optical Broadband  V					 the lit.)

Optical Broadband  R

Near Infrared      J			78+/-5 mJy  IRTF or UKIRT  Devereux,et al
Near Infrared      J				     (Hawaii)	   ApJ,312,529

Near Infrared      H			104+/-5 mJy IRTF or UKIRT  Devereux,et al
Near Infrared      H				     (Hawaii)	   ApJ,312,529

Near Infrared	   K			82+/-5 mJy  IRTF or UKIRT  Devereux,et al
Near Infrared	   K				     (Hawaii)	   ApJ,312,529

Narrow Band - Bracket Gamma 
    
Narrow Band - H-alpha		F=115e-15	Mt.Lemmon(?)	Hummel,et al
Narrow Band - H-alpha		 erg/cm^-2/s	  1.5m		A&AS,70,517

UV Imaging

ROSAT/ASCA/other X-ray observations

					LINES OBSERVED		FLUXES/EQUIVALLENT WIDTHS	OTHERS

Optical spectra

IUE 






OTHER MEASUREMENTS/COMMENTS