NAME OF THE GALAXY NGC 3949 TYPE OF OBSERVATION FLUX INSTRUMENT REFERENCE IMAGE/MAP--TOTAL FLUX--INSTRUMENT--RESOLUTION--REFERENCE HI 21 cm observations (Single Dish) 42.35+/-5.08 Effelsberg Huchtmeier & Seiradakis HI 21 cm observations (Single Dish) Jy km s^-1 A&A,143,216 HI 21cm (Interferomety) Radio continuum (1.4 GHz) map: 1.49 GHz S=112.0mJy VLA beam=48" Condon,et al Radio continuum (1.4 GHz) ApJS,73,359 Radio continuum (1.4 GHz) Radio continuum (1.4 GHz) maps: 1415MHz 69+/-4 VLA res: Condon Radio continuum (1.4 GHz) mJy 15-20" ApJS,53,459 Radio continuum (1.4 GHz) F(1.4GHz) GreenBank White & Becker Radio continuum (1.4 GHz) =122 mJy ApJS,79,331 Radio continuum (1.4 GHz) Radio continuum (1.4 GHz) F(1.465GMz) VLA Hummel,et al Radio continuum (1.4 GHz) =100+/-5 mJy A&AS,60,293 Molecules CO T*(R) < .03 K NRAO Odenwald Molecules CO (non-detection) 12m ApJ,310,86 HCN CS Optical Broadband U Optical Broadband B Optical Broadband V V=27 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 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