Molecular outflows towards O-type young stellar objects

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Table 1:

The sample: coordinates used for the observations, distance, bolometric luminosity, ionising photon rate, methanol maser detection and outflow detection.
Source	$\alpha$ (2000)	$\delta$ (2000)	d	$d_{\rm gal}$ $^{\rm\dag }$	$L_{\rm bol}$ $^{\rm\ddag }$	$N_{\rm Ly}$	CH₃OH masers? $^{\rm\star}$	H₂O masers?	Outflow?
	(h m s)	( $^\circ$ $^\prime$ $^{\prime \prime }$ )	(kpc)	(kpc)	$(10^4~L_{\odot})$	(10⁴⁷ s^-1)	(Y/N)	(Y/N)	(Y/N)
G10.47+0.03	18 08 38.22	-19 51 49.7	10.8^a	2.9	140^f	28^k	Y	Y^b	Y
G10.62-0.38	18 10 28.70	-19 55 49.7	6.5^b	2.4	110^g	91^l	Y	Y^b	Y
G16.59-0.06	18 21 09.16	-14 31 48.8	4.7^c	4.2	2.3^g	0.26^m	Y	Y^d	Y
G19.61-0.23	18 27 38.15	-11 56 38.5	12^a	4.9	170^g	49^l	N	Y^b	Y
G23.44-0.18	18 34 39.25	-08 31 38.8	7.8^d	3.4	57^g	<0.02ⁿ	N	Y^d	?
G28.87+0.06	18 43 46.24	-03 35 30.4	8.5^d	4.2	29^g	0.13^m	Y?	Y^d	Y
G29.96-0.02	18 46 03.96	-02 39 21.5	9^e	4.5	190^g	31^k	Y	Y^b	?
G35.20-0.74	18 58 12.98	+01 40 37.6	2.3^d	6.8	2.1^h	0.02ⁿ	Y?	Y^d	Y
G43.89-0.78	19 14 26.16	+09 22 34.0	4.2^b	6.2	4.0^f	9.1^l	Y?	Y^b	Y
G48.61+0.02	19 20 31.19	+13 55 24.9	11.8^d	8.9	130ⁱ	4.4ⁿ	-	Y^d	Y
G75.78+0.34	20 21 44.10	+37 26 39.5	4.1^b	8.5	24^j	3.9^l	Y?	Y^b	Y

$^{\dag }$ Galactocentric distance. $^{\ddag }$ Luminosities and ionising photon rates corrected for revised distances. $^{\star}$ Pestalozzi et al. (2005). Sources with ``?'' have only single-dish observations; ``-'' denotes no observations towards that source.
References: ^a Pandian et al. (2008), ^b Hofner & Churchwell (1996), ^c Codella et al. (1997), ^d Forster & Caswell (1999), ^e Hanson et al. (2002), ^f Hatchell et al. (2000), ^g Walsh et al. (1997), ^h Fuller et al. (2001), ⁱ Kurtz et al. (1994), ^j Klaassen & Wilson (2007), ^kCesaroni et al. (1994), ^l Wood & Churchwell (1989), ^m Cesaroni (priv. comm.), ⁿ Codella (priv. comm.).

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