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• Target type: Known_Class_II
  Transitions: H2O_22,CH3OH_44(I),CH3OH_95(I)
  

• Abstract

  We present a simultaneous single-dish survey of 22 GHz water masers and 44 and 95 GHz class I methanol masers toward 77 6.7 GHz class II methanol maser sources, which were selected from the Arecibo methanol maser Galactic plane survey catalog. Water maser emission is detected in 39 (51%) sources, 15 of which are new detections. Methanol maser emission at 44 and 95 GHz is found in 25 (32%) and 19 (25%) sources, 21 and 13 of which, respectively, are newly detected. We find four high-velocity (>30 km s-1) water maser sources, including three dominant blue- or redshifted outflows. The 95 GHz masers always appear with 44 GHz maser emission. They are strongly correlated with 44 GHz masers in velocity, flux density, and luminosity, yet they are not correlated with either water or 6.7 GHz class II methanol masers. The average peak flux density ratio of 95 GHz masers to 44 GHz masers is close to unity, which is two times higher than previous estimates. The flux densities of class I methanol masers are more closely correlated with the associated Bolocam Galactic Plane Survey core mass than those of water masers or class II methanol masers. Using the large velocity gradient model and assuming unsaturated class I methanol maser emission, we derive the fractional abundance of methanol to be in the range 4.2 x -10-8-2.3 x 10-6, with a median value of 3.3 +- 2.7 x 10-7. Note: Only peak maser component is included for each source.

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ID	Obs. RA	Obs. Dec	l	b	Group id	Source name	Image	Line	Vrange	Vpeak	FWHM	Fpeak	∫F dv	Telescope	Vstep	RMS	Beam	Detection	Class	Dist. (parallax)	Date
	(J2000)	(J2000)	(deg.)	(deg.)				H2O	(km/s)	(km/s)	(km/s)	(Jy)	(Jy*km/s)		(km/s)	(Jy)	(arcsec)	Yes/No		(kpc)
1	18 54 0.7	+02 01 19.2	35.0247	0.3497	G35.025+0.350	G35.03+0.35	Image	22 GHz;	39.3;59.9	44.7	0.7 (0.0)	64.1	47.7 (0.5)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II +OH	SFR		16.12.2011
2	18 56 4.2	+02 23 28.3	35.5880	0.0603	G35.575+0.067	G35.59+0.06	Image	22 GHz;	-13.5;-1.2	-11.7	1.6 (0.1)	4.9	8.0 (0.4)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II	SFR		16.12.2011
3	18 57 16.9	+02 27 58	35.7927	-0.1747	G35.793-0.175	G35.79-0.17	Image	22 GHz;	56.9;64.7	59.9	2.0 (0.1)	5.7	12.5 (0.6)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II +OH	SFR		17.12.2011
4	18 58 55.2	+03 12 4.7	36.6337	-0.2030	G36.634-0.203	G36.64-0.21	Image	22 GHz;	75.9;79.1	77.4	0.8 (0.0)	15	12.3 (0.3)	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II			17.12.2011
5	18 57 59.1	+03 24 6.1	36.7053	0.0962	G36.705+0.096	G36.70+0.09	Image	22 GHz;	51.4;54.8	52.6	1.2 (0.2)	3.8	4.2 (0.5)	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II +OH	SFR		27.01.2012
6	19 00 8.6	+03 20 35	36.8992	-0.4097	G36.899-0.410	G36.90-0.41	Image	22 GHz;	84.1;86.1	85.1	0.6 (0.1)	4.5	2.9 (0.4)	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II	SFR		18.12.2011
7	18 59 3.6	+03 37 45.1	37.0303	-0.0386	G37.038-0.035	G37.02-0.03	Image	22 GHz;	79.7;82.3	80.7	0.9 (0.2)	2.1	1.9 (0.3)	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II	SFR		27.02.2012
8	18 59 4.4	+03 38 32.8	37.0435	-0.0354	G37.038-0.035	G37.04-0.04	Image	22 GHz;	79.7;82.4	81.8	0.3 (0.1)	2.1	0.7 (0.2)	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II	SFR		27.02.2012
9	19 00 7.1	+03 59 53.1	37.4790	-0.1048	G37.479-0.105	G37.47-0.11	Image	22 GHz;	55.4;58	56.8	0.5 (0.1)	3.2	1.5 (0.2)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II	SFR		20.11.2011
10	18 59 10	+04 12 15.5	37.5539	0.2008	G37.554+0.201	G37.55+0.19	Image	22 GHz;	82.5;96	85.6	1.1 (0.0)	14.5	16.9 (0.3)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II +OH	SFR		20.11.2011
11	18 58 26.8	+04 20 45.5	37.5979	0.4251	G37.598+0.425	G37.60+0.42	Image	22 GHz;	96;139.1	137.2	1.3 (0.1)	5.2	7.4 (0.4)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II	SFR		17.12.2011
12	19 00 36.8	+04 13 20	37.7348	-0.1120	G37.735-0.112	G37.74-0.12	Image	22 GHz;	40.3;54.2	43.7	1.0 (0.2)	18.3	18.7 (0.5)	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II +OH	SFR		18.12.2011
13	19 00 55.4	+04 12 12.6	37.7535	-0.1893	G37.763-0.214	G37.76-0.19	Image	22 GHz;	53.3;62.1	60.1	1.1 (0.0)	20	23.8 (0.6)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II	SFR		18.12.2011
14	19 01 2.3	+04 12 16.5	37.7675	-0.2141	G37.763-0.214	G37.77-0.22	Image	22 GHz;	56.6;68.8	60.1	1.3 (0.2)	2.5	3.3 (0.4)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II	SFR		18.12.2011
15	19 01 50.5	+04 24 18.9	38.0375	-0.3003	G38.038-0.300	G38.03-0.30	Image	22 GHz;	60.6;66.3	63.4	2.0 (0.3)	4.6	9.3 (1.2)	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II +OH	SFR		20.11.2011
16	19 01 26.2	+04 42 17.3	38.2578	-0.0737	G38.258-0.074	G38.26-0.08	Image	22 GHz;	7.8;12.1	9.8	1.2 (0.0)	38.7	49.5 (0.7)	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II	SFR		28.01.2012
17	19 01 8.3	+05 04 36.7	38.5546	0.1626	G38.555+0.163	G38.56+0.15	Image	22 GHz;	28.2;31.5	29.8	1.5 (0.2)	4.2	4.3 (0.6)	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II	SFR		28.01.2012
18	19 02 33.5	+04 56 36.4	38.5977	-0.2126	G38.598-0.213	G38.60-0.21	Image	22 GHz;	62.1;69.1	67.1	1.0 (0.1)	7.6	8.5 (0.5)	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II	SFR		28.01.2012
19	19 03 38.7	+05 09 42.5	38.9158	-0.3531	G38.917-0.353	G38.92-0.36	Image	22 GHz;	32.1;39.2	33.1	0.8 (0.0)	58.6	47.4 (0.4)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II	SFR		28.01.2012
20	19 05 41.2	+06 26 12.7	40.2818	-0.2194	G40.282-0.220	G40.28-0.22	Image	22 GHz;	70.4;85.7	73.7	1.2 (0.0)	76.2	90.7 (0.7)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II +OH	SFR		29.01.2012
21	19 06 1.6	+06 46 36.2	40.6225	-0.1383	G40.623-0.138	G40.62-0.14	Image	22 GHz;	32.1;36.8	34.1	1.2 (0.1)	10.6	13.6 (0.7)	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II +OH	SFR		29.01.2012
22	19 06 49	+07 11 6.6	41.0754	-0.1247	G41.075-0.125	G41.08-0.13	Image	22 GHz;	-18.2;-11.9	-14.3	0.7 (0.2)	3	1.4 (0.1)	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II	SFR		26.12.2011
23	19 07 21.8	+07 25 17.3	41.3476	-0.1364	G41.348-0.136	G41.34-0.14	Image	22 GHz;	58.6;63.8	60.7	1.9 (0.4)	1.7	2.5 (0.4)	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II +OH	SFR		20.11.2011
24	19 07 28.2	+08 10 53.5	42.0344	0.1901	G42.034+0.190	G42.03+0.19	Image	22 GHz;	12.3;14.5	13.7	0.7 (0.1)	3.6	2.7 (0.3)	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II +OH	SFR		30.12.2011
25	19 09 43.6	+08 11 41.4	42.3036	-0.2994	G42.304-0.299	G42.30-0.30	Image	22 GHz;	20.7;24.2	21.9	0.8 (0.1)	3.9	3.4 (0.6)	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II +OH	SFR		30.12.2011
26	19 09 49.9	+08 19 45.4	42.4348	-0.2602	G42.435-0.260	G42.43-0.26	Image	22 GHz;	61;70	68.6	0.8 (0.1)	3.9	3.4 (0.3)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II	GALAXY		30.12.2011
27	19 11 39	+08 46 30.7	43.0380	-0.4530	G43.038-0.453	G43.04-0.46	Image	22 GHz;	43.8;58.7	45.8	0.8 (0.1)	5.4	4.6 (0.4)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II	SFR		30.01.2012
28	19 11 54	+09 35 50.6	43.7955	-0.1272	G43.795-0.127	G43.80-0.13	Image	22 GHz;	33.7;51.1	41.1	0.6 (0.2)	714.2	493.9 (13.2)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II +OH	SFR		30.01.2012
29	19 12 15.8	+10 07 53.5	44.3104	0.0407	G44.310+0.041	G44.31+0.04	Image	22 GHz;	50.9;65	53.3	0.6 (0.2)	139.3	92.0 (2.7)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II +OH	SFR		18.12.2011
30	19 13 22.1	+10 50 53.1	45.0713	0.1320	G45.071+0.132	G45.07+0.13	Image	22 GHz;	53.6;69	59.9	1.0 (0.2)	23.7	24.2 (0.6)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II +OH -SiO	SFR		29.01.2012
31	19 14 18.3	+11 08 59	45.4451	0.0685	G45.465+0.053	G45.44+0.07	Image	22 GHz;	38.1;56.9	51.2	0.9 (0.0)	14.2	14.0 (0.4)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II +OH	SFR		29.01.2012
32	19 14 24.1	+11 09 43.4	45.4671	0.0531	G45.465+0.053	G45.47+0.05	Image	22 GHz;	48.2;52.5	51.4	0.9 (0.0)	13	12.9 (0.4)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II +OH	SFR		30.01.2012
33	19 14 7.4	+11 12 16	45.4728	0.1335	G45.476+0.130	G45.47+0.13	Image	22 GHz;	66.3;68.1	67.3	0.9 (0.1)	5.1	4.9 (0.5)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II +OH	SFR		30.01.2012
34	19 14 11.4	+11 13 6.4	45.4928	0.1256	G45.476+0.130	G45.49+0.13	Image	22 GHz;	65.1;77.9	74.7	2.7 (0.5)	2.6	5.0 (0.6)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II +OH	SFR		30.01.2012
35	19 15 13.2	+11 10 16.5	45.5684	-0.1200	G45.568-0.120	G45.57-0.12	Image	22 GHz;	6.5;7.9	7.6	0.7 (0.1)	3.5	2.7 (0.4)	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II	SFR		30.01.2012
36	19 16 31.1	+11 16 12	45.8041	-0.3559	G45.804-0.356	G45.81-0.36	Image	22 GHz;	57.6;64.2	62.9	0.7 (0.0)	34.3	25.1 (0.4)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II	SFR		30.01.2012
37	19 14 25.5	+11 53 26	46.1148	0.3866	G46.115+0.387	G46.12+0.38	Image	22 GHz;	55.2;57	55.9	0.9 (0.1)	1.7	1.9 (0.3)	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II	SFR		25.12.2011
38	19 22 10.3	+14 02 43.5	48.9022	-0.2734	G48.902-0.273	G48.90-0.27	Image	22 GHz;	65;67.8	66.6	1.1 (0.1)	5.5	5.9 (0.5)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II	SFR		30.01.2012
39	19 22 26.1	+14 06 39.8	48.9902	-0.2988	G48.990-0.299	G48.99-0.30	Image	22 GHz;	64.2;68.3	65.9	1.3 (0.0)	62.4	86.5 (0.9)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II +OH	SFR		25.12.2011
40	19 29 17.6	+17 56 23.2	53.1419	0.0705	G53.142+0.070	G53.14+0.07	Image	22 GHz;	23.1;25.5	24	0.7 (0.2)	3.7	2.3 (0.5)	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II +OH	MIXED		29.01.2012

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ID	Obs. RA	Obs. Dec	l	b	Group id	Source name	Line	Telescope	Vstep	RMS	Beam	Detection	Class	Date
	(J2000)	(J2000)	(deg.)	(deg.)			H2O		(km/s)	(Jy)	(arcsec)	Yes/No
1	18 53 37.4	+01 50 32	34.8206	0.3539	G34.821+0.352	G34.82+0.35	22 GHz;	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II -SiO	SFR	16.12.2011
2	18 56 30.4	+01 57 8.9	35.2473	-0.2369	G35.247-0.237	G35.25-0.24	22 GHz;	KVN	0.2	1.500	120	-H2O +CH3OH I +CH3OH II	SFR	16.12.2011
3	18 55 51.2	+02 11 37	35.3874	0.0184	G35.397+0.025	G35.39+0.02	22 GHz;	KVN	0.2	1.500	120	-H2O +CH3OH I +CH3OH II	SFR	16.12.2011
4	18 55 50.8	+02 12 19.1	35.3971	0.0252	G35.397+0.025	G35.40+0.03	22 GHz;	KVN	0.2	1.500	120	-H2O +CH3OH I +CH3OH II	SFR	16.12.2011
5	18 57 45.9	+02 39 5.7	36.0128	-0.1973	G36.013-0.197	G36.02-0.20	22 GHz;	KVN	0.2	1.500	120	-H2O -CH3OH I +CH3OH II	SFR	17.12.2011
6	18 58 39.2	+03 28 0.9	36.8395	-0.0224	G36.839-0.022	G36.84-0.02	22 GHz;	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II	SFR	17.12.2011
7	18 56 59.8	+03 46 3.6	36.9183	0.4828	G36.918+0.483	G36.92+0.48	22 GHz;	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II	SFR	18.12.2011
8	18 59 51.6	+03 55 18	37.3815	-0.0822	G37.382-0.082	G37.38-0.09	22 GHz;	KVN	0.2	1.500	120	-H2O +CH3OH I +CH3OH II	SFR	17.12.2011
9	19 00 16.1	+04 03 16.1	37.5461	-0.1119	G37.546-0.112	G37.53-0.11	22 GHz;	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II	SFR	27.02.2012
10	19 01 47.3	+04 27 20.9	38.0765	-0.2655	G38.076-0.266	G38.08-0.27	22 GHz;	KVN	0.2	1.500	120	-H2O -CH3OH I +CH3OH II +OH	SFR	28.01.2012
11	19 01 44.2	+04 30 37.4	38.1190	-0.2289	G38.119-0.229	G38.12-0.24	22 GHz;	KVN	0.2	1.500	120	-H2O -CH3OH I +CH3OH II	MIXED	28.01.2012
12	19 01 18.7	+04 39 34.3	38.2033	-0.0667	G38.203-0.067	G38.20-0.08	22 GHz;	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II	SFR	28.01.2012
13	19 01 53	+04 38 39.5	38.2548	-0.2001	G38.255-0.200	G38.26-0.20	22 GHz;	KVN	0.2	1.500	120	-H2O -CH3OH I +CH3OH II	SFR	28.01.2012
14	19 01 35.2	+05 07 47.4	38.6528	0.0875	G38.653+0.088	G38.66+0.08	22 GHz;	KVN	0.2	1.500	120	-H2O -CH3OH I +CH3OH II	SFR	27.02.2012
15	19 03 45.3	+05 40 42.7	39.3877	-0.1407	G39.388-0.141	G39.39-0.14	22 GHz;	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II +OH	SFR	29.01.2012
16	19 04 53.5	+05 41 59	39.5362	-0.3822	G39.536-0.382	G39.54-0.38	22 GHz;	KVN	0.2	1.500	120	-H2O -CH3OH I +CH3OH II	SFR	30.01.2012
17	19 06 15.4	+07 05 54.5	40.9344	-0.0410	G40.934-0.041	G40.94-0.04	22 GHz;	KVN	0.2	1.500	120	-H2O -CH3OH I +CH3OH II		26.12.2011
18	19 06 50.2	+07 14 1.5	41.1208	-0.1068	G41.121-0.107	G41.12-0.11	22 GHz;	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II -OH	SFR	26.12.2011
19	19 07 14.9	+07 11 0.7	41.1230	-0.2202	G41.123-0.220	G41.12-0.22	22 GHz;	KVN	0.2	1.500	120	-H2O +CH3OH I +CH3OH II	SFR	26.12.2011
20	19 07 14.4	+07 13 18.1	41.1560	-0.2009	G41.156-0.201	G41.16-0.20	22 GHz;	KVN	0.2	1.500	120	-H2O -CH3OH I +CH3OH II	SFR	26.12.2011
21	19 07 21.4	+07 17 8.2	41.2261	-0.1972	G41.226-0.197	G41.23-0.20	22 GHz;	KVN	0.2	1.500	120	-H2O -CH3OH I +CH3OH II	SFR	30.12.2011
22	19 05 23.6	+07 35 5.2	41.2681	0.3725	G41.268+0.372	G41.27+0.37	22 GHz;	KVN	0.2	1.500	120	-H2O -CH3OH I +CH3OH II	SFR	30.12.2011
23	19 07 9.2	+07 42 25.2	41.5770	0.0414	G41.577+0.041	G41.58+0.04	22 GHz;	KVN	0.2	1.500	120	-H2O -CH3OH I +CH3OH II	SFR	30.12.2011
24	19 09 55.1	+08 36 53.4	42.6980	-0.1475	G42.698-0.147	G42.70-0.15	22 GHz;	KVN	0.2	1.500	120	-H2O -CH3OH I +CH3OH II	SFR	30.12.2011
25	19 10 22.1	+08 58 51.5	43.0741	-0.0770	G43.074-0.077	G43.08-0.08	22 GHz;	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II	SFR	30.01.2012
26	19 14 53.8	+10 10 7.7	44.6440	-0.5159	G44.644-0.516	G44.64-0.52	22 GHz;	KVN	0.2	1.500	120	-H2O -CH3OH I +CH3OH II		29.01.2012
27	19 14 56.1	+11 46 13	46.0662	0.2203	G46.066+0.220	G46.07+0.22	22 GHz;	KVN	0.2	1.500	120	-H2O -CH3OH I +CH3OH II	SFR	16.12.2011
28	19 21 47.5	+14 04 58	48.8917	-0.1744	G48.892-0.174	G48.89-0.17	22 GHz;	KVN	0.2	1.500	120	-H2O -CH3OH I +CH3OH II	SFR	25.12.2011
29	19 20 44.9	+14 38 26.9	49.2652	0.3112	G49.265+0.311	G49.27+0.31	22 GHz;	KVN	0.2	1.500	120	-H2O +CH3OH I +CH3OH II +OH	MIXED	25.12.2011
30	19 20 32.4	+14 45 45.4	49.3492	0.4125	G49.349+0.413	G49.35+0.41	22 GHz;	KVN	0.2	1.500	120	-H2O -CH3OH I +CH3OH II	MIXED	25.12.2011
31	19 20 59.2	+14 46 49.7	49.4156	0.3257	G49.416+0.326	G49.41+0.33	22 GHz;	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II +OH	MIXED	25.12.2011
32	19 23 26.6	+14 40 17	49.5994	-0.2495	G49.599-0.250	G49.60-0.25	22 GHz;	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II	SFR	25.12.2011
33	19 23 52.8	+14 38 3.2	49.6166	-0.3602	G49.617-0.360	G49.62-0.36	22 GHz;	KVN	0.2	1.500	120	-H2O -CH3OH I +CH3OH II	SFR	28.01.2012
34	19 24 17.4	+15 54 1.6	50.7789	0.1518	G50.779+0.152	G50.78+0.15	22 GHz;	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II	SFR	30.01.2012
35	19 27 35	+17 54 38.1	52.9218	0.4139	G52.922+0.414	G52.92+0.41	22 GHz;	KVN	0.2	1.500	120	+H2O -CH3OH I +CH3OH II	SFR	20.11.2011
36	19 28 55.5	+17 52 3.1	53.0365	0.1128	G53.036+0.113	G53.04+0.11	22 GHz;	KVN	0.2	1.500	120	+H2O +CH3OH I +CH3OH II	SFR	18.12.2011
37	19 30 23	+18 20 26.7	53.6180	0.0354	G53.618+0.035	G53.62+0.04	22 GHz;	KVN	0.2	1.500	120	-H2O -CH3OH I +CH3OH II +OH	SFR	17.12.2011

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DSS colored 2MASS colored WISE colored SDSS color IRAC color I1,I2,I4 GLIMPSE 360 PACS color (70-160 um) SPIRE color (250-500 um) NVSS (1.4GHz) ATLASGAL 870 um ATLASGAL 870 um + Planck Bolocam 1.1 mm UKIDSS K Download UKIDSS K FITS 2MASS K Download 2MASS K FITS