NK2012_Nov11 - www.iram.es Main Wiki

NIKA November 2012 S11

2012-11-24

Cryostat Temperature: 150 +/- 0.03 mK (regulated with power 50uW)
Arrays status tonight: (126 pixels 2mm, 91 pixels 1.25mm) + 1.5h (126 pixels 2mm, 8 pixels 1.25mm) to demonstrate achievable sensitivity.
** Scan 237 onward, power on pixels reduced KB002,011, 012, 027, 028, 054, 057, 059, 120, 124
*** Scan 239 onward, -2dB: KB002, -4dB: KB011, 012, 028, 054, 057, 120, others back at nominal power

Scan	UT	Source	Command	Az	El	Pointing X, Y, Focus	Tau		Comment
79	06h17	3C273	Track	133	45		0.88	0.	Taking over from EMIR; Balaying the 2 mm array
80	06h18	3C273	Cross	133	45	Pointing 2 mm: (9.8 0.8)	0.88	0.	4 missing pixels from 1 mm array; Also no signal
81	06h20	3C273	Cross	133	45	Pointing 2 mm: (9.0 0.4)	0.88	0.	The sky is clear - not sure if we can trust Tau meter
82	06h24	3C273	Focus	134	45	Focus 2 mm: -1.71 1 mm: -1.68	0.88	0.
83	06h29	3C273	Cross	136	46	Pointing 2 mm: (9.0 0.4)	0.88	0.
84	06h31	3C273	Cross	137	46	Pointing 2 mm: (9.0 0.4)	0.88	0.