Apertif view of the OH megamaser IRAS 10597+5926: OH 18 cm satellite lines in wide-area H I surveys

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Table 2.

OH line detection predictions for AWES to 2020 and beyond.

OH line	Line	AWES ^(b)	AWES ^(b,^c)	1.4x AWES ^(b,^c)
MHz	Ratio ^(a)	1500 deg²	2500 deg²	1500 deg²
(1)	(2)	(3)	(4)	(5)
1612	20	2	4	5
1665	5	17	28	25
1667	1	76	127	103
1720	20	0.5	0.9	2

Notes.

^(a)

The assumed line ratio is in relation to the primary 1667 MHz line and is the median line ratio from McBride et al. (2013).

^(b)

The numbers of detections are calculated for the frequency range 1280–1430 MHz.

^(c)

For AWES projections beyond 2020 that may shift the frequency coverage (see text), we predict that Apertif will detect an additional ∼12–20 (4–6) OHMs in the 1667 (1665) MHz line and an additional ∼1–2 OHMs in each of the satellite lines between 1430–1530 MHz, on top of what is listed above.

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