CO in NGC 1530, aperture synthesis of a barred spiral By D. R e yn a ud & D. D o wn e s e­mail: reynaud@iraux2.iram.fr Institut de Radio Astronomie Millim'etrique, Grenoble, FRANCE NGC 1530 is one of the largest barred spiral galaxies in the northern sky, with bright CO emission. ... To trace molecular gas, we observed the COJ = 1 ! ... Observations We observed the molecular gas in the bar of NGC 1530, a barred SBb spiral in the COJ = 1 ! ... Properties of NGC 1530 and observational results 3.1. ...

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... The design employs a differential structure. ... The input is adapted to 100 differential, and the outputs use standard Low Voltage Differential Signaling (LVDS). ... T/H SINGLE T/H Single Input T/H Single Output 1.35 0.15 0.2 T/H DIFFERENTIAL Input T/H Output T/H 0.1 1.3 0.05 volts volts Figure 5: Digital part and digital gate 0 1.25 -0.05 -0.1 1.2 Integrated Test System A test system is integrated on chip to evaluate the transmission to the data acquisition card (fig: 7). ...