2012A&A...542A...3S

Query : 2012A&A...542A...3S

2012A&A...542A...3S - Astronomy and Astrophysics, volume 542A, 3-3 (2012/6-1)

Mining the UKIDSS Galactic Plane Survey: star formation and embedded clusters.

SOLIN O., UKKONEN E. and HAIKALA L.

Abstract (from CDS):

Data mining techniques must be developed and applied to analyse the large public data bases containing hundreds to thousands of millions entries. We develop methods for locating previously unknown stellar clusters from the UKIDSS Galactic Plane Survey (GPS) catalogue data. The cluster candidates are computationally searched from pre-filtered catalogue data using a method that fits a mixture model of Gaussian densities and background noise using the expectation maximization algorithm. The catalogue data contains a significant number of false sources clustered around bright stars. A large fraction of these artefacts were automatically filtered out before or during the cluster search. The UKIDSS data reduction pipeline tends to classify marginally resolved stellar pairs and objects seen against variable surface brightness as extended objects (or ``galaxies'' in the archive parlance). 10% or 66x10⁶ of the sources in the UKIDSS GPS catalogue brighter than 17m in the K band are classified as ``galaxies''. Young embedded clusters create variable NIR surface brightness because the gas/dust clouds in which they were formed scatters the light from the cluster members. Such clusters appear therefore as clusters of ``galaxies'' in the catalogue and can be found using only a subset of the catalogue data. The detected ``galaxy clusters'' were finally screened visually to eliminate the remaining false detections due to data artefacts. Besides the embedded clusters the search also located locations of non clustered embedded star formation. The search covered an area of 1302 deg² and 137 previously unknown cluster candidates and 30 previously unknown sites of star formation were found.

Abstract Copyright: ∼

Journal keyword(s): open clusters and associations: general - methods: statistical - catalogs - surveys - infrared: stars

VizieR on-line data: <Available at CDS (J/A+A/542/A3): table1.dat table2.dat table3.dat>

Nomenclature: Tables 1-2: [SUH2012] GLLL.lll+BB.bbb N=137+30.

Simbad objects: 184

Full paper

View the references in ADS

Number of rows : 184

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag B	Mag V	Sp type	#ref 1850 - 2023	#notes
1	[SUH2012] G142.218+01.432	Cl?	03 27 22.0	+58 20 24			~	1	0
2	[SUH2012] G142.244+01.429	Cl?	03 27 31.0	+58 19 23			~	1	0
3	[SUH2012] G162.459-08.674	SFR	04 21 38.0	+37 34 44			~	1	0
4	NAME Tau-Aur Complex	SFR	04 30	+25.0			~	1340	0
5	[SUH2012] G166.813-03.200	Cl?	04 56 55.0	+37 57 14			~	1	0
6	IRAS 04535+3752	Y*O	04 56 55.205	+37 57 16.63			~	25	2
7	[SUH2012] G166.237+00.495	Cl?	05 10 16.0	+40 39 36			~	1	0
8	[SUH2012] G168.471-00.972	Cl?	05 11 00.0	+37 59 28			~	1	0
9	[SUH2012] G167.267+03.133	Cl?	05 24 50.0	+41 20 31			~	1	0
10	2MASX J05254062+4141530	G	05 25 40.6555806696	+41 41 53.115773928			~	21	0
11	[SUH2012] G167.060+03.464	Cl?	05 25 41.0	+41 41 53			~	1	0
12	LEDA 168888	G	05 26 41.0	+41 23 43			~	7	0
13	[SUH2012] G167.414+03.452	Cl?	05 26 41.0	+41 23 52			~	1	0
14	[SUH2012] G169.838+01.923	Cl?	05 27 04.0	+38 32 07			~	1	0
15	[SUH2012] G168.122+03.067	Cl?	05 27 04.0	+40 35 47			~	1	0
16	[SUH2012] G169.857+01.925	Cl?	05 27 08.0	+38 31 16			~	1	0
17	[SUH2012] G169.921+02.052	Cl?	05 27 52.0	+38 32 17			~	1	0
18	[SUH2012] G170.311+02.365	Cl?	05 30 17.0	+38 23 08			~	1	0
19	[SUH2012] G171.054+01.908	Cl?	05 30 25.0	+37 30 53			~	1	0
20	[SUH2012] G171.834+01.644	Cl?	05 31 28.0	+36 43 06			~	1	0
21	[SUH2012] G171.853+01.637	Cl?	05 31 29.0	+36 41 55			~	1	0
22	[SUH2012] G171.263+02.540	Cl?	05 33 40.0	+37 41 05			~	1	0
23	[SUH2012] G171.611+02.349	Cl?	05 33 49.0	+37 17 19			~	1	0
24	[SUH2012] G171.531+02.445	SFR	05 34 00.0	+37 24 28			~	1	0
25	[SUH2012] G172.879+02.266	Cl?	05 36 52.0	+36 10 36			~	2	0
26	[SUH2012] G173.185+02.356	SFR	05 38 04.0	+35 58 00			~	2	0
27	NAME Gal Anticenter	reg	05 46	+28.9			~	878	0
28	[SUH2012] G206.529-03.552	Cl?	06 27 04.0	+04 03 37			~	1	0
29	[SUH2012] G207.312-02.538	SFR	06 32 07.0	+03 50 05			~	2	0
30	[SUH2012] G208.627-02.892	Cl?	06 33 17.0	+02 30 22			~	1	0
31	[SUH2012] G210.469-02.339	Cl?	06 38 37.0	+01 07 24			~	1	0
32	[SUH2012] G210.767-02.463	Cl?	06 38 43.0	+00 48 06			~	1	0
33	[SUH2012] G210.415-01.960	Cl?	06 39 52.0	+01 20 41			~	1	0
34	[SUH2012] G207.737+00.964	Cl?	06 45 23.0	+05 03 47			~	1	0
35	[SUH2012] G218.675-04.420	Cl?	06 46 06.0	-07 07 08			~	1	0
36	[SUH2012] G212.064-00.739	SFR	06 47 13.0	+00 26 06			~	1	0
37	[SUH2012] G209.561+00.577	SFR	06 47 20.0	+03 15 47			~	1	0
38	[SUH2012] G207.433+01.710	Cl?	06 47 30.0	+05 40 23			~	1	0
39	[SUH2012] G217.262-01.467	Cl?	06 54 07.0	-04 31 22			~	1	0
40	[SUH2012] G212.182+01.309	Cl?	06 54 44.0	+01 15 51			~	1	0
41	LBN 1012	IR	06 59 29	-04 49.2			~	47	0
42	[SUH2012] G217.496-00.070	SFR	06 59 32.0	-04 05 34			~	1	0
43	[IBP2002] CC09	OpC	06 59 43	-04 04.0			~	5	0
44	[SUH2012] G218.053-00.117	SFR	07 00 23.0	-04 36 36			~	1	0
45	[SUH2012] G226.870-02.817	Cl?	07 07 00.0	-13 40 54			~	1	0
46	[SUH2012] G222.225+01.199	Cl?	07 12 48.0	-07 42 34			~	1	0
47	PN G228.1+00.8	PN?	07 22 30.8284117944	-13 05 26.631887172			~	8	1
48	[SUH2012] G228.098+00.797	Cl?	07 22 31.0	-13 05 24			~	1	0
49	NAME Galactic Center	reg	17 45 39.60213	-29 00 22.0000			~	13902	0
50	[SUH2012] G013.076-00.309	Cl?	18 15 11.0	-17 44 35			~	1	0
51	[SUH2012] G011.495-01.483	Cl?	18 16 21.0	-19 41 31			~	1	0
52	[SUH2012] G018.850+02.023	Cl?	18 18 02.0	-11 33 18			~	1	0
53	[SUH2012] G018.655-00.059	Cl?	18 25 11.0	-12 42 22			~	1	0
54	[SUH2012] G018.303-00.392	Cl?	18 25 43.0	-13 10 23			~	1	0
55	[SUH2012] G019.073-00.286	Cl?	18 26 48.0	-12 26 31			~	1	0
56	[SUH2012] G020.711-00.291	Cl?	18 29 56.0	-10 59 38			~	1	0
57	[SUH2012] G021.343-00.137	Cl?	18 30 34.0	-10 21 47			~	1	0
58	[SUH2012] G022.952-00.316	Cl?	18 34 13.0	-09 01 05			~	1	0
59	[SUH2012] G022.257-00.880	Cl?	18 34 57.0	-09 53 42			~	1	0
60	[SUH2012] G023.882-00.353	Cl?	18 36 05.0	-08 12 36			~	1	0
61	HD 171610	*	18 36 07.8443389056	-06 44 31.487274888	8.267	6.94	K2III	17	0
62	[SUH2012] G024.397-00.188	Cl?	18 36 27.0	-07 40 34			~	1	0
63	[SUH2012] G029.815+02.224	Cl?	18 37 50.0	-01 45 25			~	1	0
64	[SUH2012] G026.544+00.414	Cl?	18 38 16.0	-05 29 35			~	1	0
65	[SUH2012] G025.462-00.159	Cl?	18 38 19.0	-06 43 01			~	1	0
66	[SUH2012] G028.693+00.177	Cl?	18 43 04.0	-03 41 28			~	1	0
67	[SUH2012] G028.592-00.365	Cl?	18 44 49.0	-04 01 41			~	1	0
68	[SUH2012] G029.858-00.060	Cl?	18 46 02.0	-02 45 47			~	1	0
69	[SUH2012] G030.385-00.107	Cl?	18 47 10.0	-02 18 58			~	1	0
70	[SUH2012] G029.888-00.779	Cl?	18 48 40.0	-03 03 50			~	1	0
71	[SUH2012] G032.152+00.131	Cl?	18 49 33.0	-00 38 02			~	1	0
72	[SUH2012] G035.265+01.365	SFR	18 50 50.0	+02 41 53			~	1	0
73	[SUH2012] G034.132+00.472	Cl?	18 51 57.0	+01 16 59			~	1	0
74	[SUH2012] G035.028+00.351	SFR	18 54 01.0	+02 01 34			~	1	0
75	[SUH2012] G034.583-00.238	Cl?	18 55 18.0	+01 21 40			~	1	0
76	[SUH2012] G040.080+01.510	SFR	18 59 07.0	+07 02 56			~	1	0
77	AGAL G040.121+01.500	HII	18 59 14	+07 04.9	13.60	12.74	~	32	0
78	[SUH2012] G037.545-00.111	SFR	19 00 16.0	+04 03 14			~	1	0
79	2MASS J19013383+1116532	LP?	19 01 33.8362116096	+11 16 53.330420640	12.78	10.850	~	2	0
80	[SUH2012] G037.876-00.400	Cl?	19 01 54.0	+04 12 58			~	1	0
81	[SUH2012] G035.359-01.772	SFR	19 02 11.0	+01 21 04			~	1	0
82	NVSS J190215+012223	HII	19 02 15.3	+01 22 26			~	5	0
83	[SUH2012] G036.401-01.763	SFR	19 04 03.0	+02 16 52			~	1	0
84	[SUH2012] G038.937-00.459	Cl?	19 04 04.0	+05 07 55			~	1	0
85	[SUH2012] G039.903-01.351	Cl?	19 09 02.0	+05 34 48			~	1	0
86	[SUH2012] G042.111-00.447	Cl?	19 09 54.0	+07 57 22			~	1	0
87	[SUH2012] G042.834-00.151	Cl?	19 10 11.0	+08 44 02			~	1	0
88	[SUH2012] G043.186-00.525	Cl?	19 12 11.0	+08 52 23			~	1	0
89	[SUH2012] G043.889-00.784	Cl?	19 14 26.0	+09 22 34			~	1	0
90	[SUH2012] G045.417-00.105	Cl?	19 14 53.0	+11 02 38			~	1	0
91	[SUH2012] G045.397-00.709	Cl?	19 17 01.0	+10 44 42			~	1	0
92	[SUH2012] G050.490+00.994	Cl?	19 20 38.0	+16 02 35			~	1	0
93	[SUH2012] G050.317+00.675	Cl?	19 21 28.0	+15 44 24			~	1	0
94	[SUH2012] G049.288-00.056	Cl?	19 22 08.0	+14 29 17			~	1	0
95	[SUH2012] G049.430-00.011	Cl?	19 22 15.0	+14 38 06			~	1	0
96	[SUH2012] G049.721-00.016	Cl?	19 22 50.0	+14 53 20			~	1	0
97	[SUH2012] G048.845-00.544	Cl?	19 23 03.0	+13 52 05			~	1	0
98	[SUH2012] G054.493+01.579	Cl?	19 26 25.0	+19 50 49			~	1	0
99	[SUH2012] G052.753+00.335	Cl?	19 27 32.0	+17 43 26			~	1	0
100	[SUH2012] G051.426-00.615	Cl?	19 28 23.0	+16 06 18			~	1	0
101	[SUH2012] G054.426+00.991	Cl?	19 28 28.0	+19 30 29			~	1	0
102	[SUH2012] G051.210-00.799	Cl?	19 28 37.0	+15 49 37			~	1	0
103	[SUH2012] G054.522+00.919	Cl?	19 28 56.0	+19 33 29			~	1	0
104	[SUH2012] G051.401-00.890	Cl?	19 29 20.0	+15 57 07			~	1	0
105	[SUH2012] G054.236+00.257	Cl?	19 30 49.0	+18 59 20			~	1	0
106	[SUH2012] G053.819-00.059	Cl?	19 31 08.0	+18 28 19			~	1	0
107	[SUH2012] G053.594-00.249	Cl?	19 31 23.0	+18 10 59			~	1	0
108	[SUH2012] G052.847-00.664	Cl?	19 31 24.0	+17 19 41			~	1	0
109	[SUH2012] G052.367-01.044	Cl?	19 31 50.0	+16 43 30			~	1	0
110	[SUH2012] G055.364+00.186	SFR	19 33 23.0	+19 56 35			~	1	0
111	[SUH2012] G054.192-00.691	Cl?	19 34 14.0	+18 29 35			~	1	0
112	[SUH2012] G056.239-00.342	Cl?	19 37 10.0	+20 27 04			~	1	0
113	[SUH2012] G057.573+00.221	Cl?	19 37 52.0	+21 53 24			~	1	0
114	[SUH2012] G057.608+00.024	Cl?	19 38 41.0	+21 49 26			~	1	0
115	[SUH2012] G057.546-00.273	Cl?	19 39 40.0	+21 37 26			~	1	0
116	NGC 6823	OpC	19 43 10.6	+23 19 16	7.71	7.1	~	270	2
117	[SUH2012] G059.360-00.206	SFR	19 43 18.0	+23 13 59			~	1	0
118	[SUH2012] G059.640-00.181	SFR	19 43 48.0	+23 29 17			~	1	0
119	[SUH2012] G061.720+00.863	Cl?	19 44 24.0	+25 48 40			~	1	0
120	[SUH2012] G061.193-00.299	Cl?	19 47 40.0	+24 46 23			~	1	0
121	[SUH2012] G064.152+01.283	Cl?	19 48 15.0	+28 07 30			~	1	0
122	[SUH2012] G061.315-02.062	SFR	19 54 36.0	+23 58 41			~	1	0
123	[SUH2012] G068.239+00.960	Cl?	19 59 13.0	+31 27 47			~	1	0
124	[SUH2012] G068.858-00.041	SFR	20 04 44.0	+31 27 27			~	1	0
125	[SUH2012] G071.312+00.827	Cl?	20 07 32.0	+33 59 35			~	1	0
126	[SUH2012] G071.804+00.846	Cl?	20 08 44.0	+34 25 01			~	1	0
127	[SUH2012] G071.151+00.399	Cl?	20 08 50.0	+33 37 34			~	1	0
128	[SUH2012] G074.159+01.645	Cl?	20 11 46.0	+36 49 34			~	1	0
129	[SUH2012] G074.213+01.650	Cl?	20 11 54.0	+36 52 26			~	1	0
130	[SUH2012] G077.568+03.693	Cl?	20 12 33.0	+40 47 49			~	1	0
131	[SUH2012] G071.523-00.386	Cl?	20 12 58.0	+33 30 29			~	1	0
132	[SUH2012] G073.878+01.026	Cl?	20 13 34.0	+36 15 04			~	1	0
133	IRAS 20126+4104	Y*O	20 14 25.8816769656	+41 13 36.879427236			B2.5-B0.5	431	0
134	[SUH2012] G075.295+01.324	Cl?	20 16 16.0	+37 35 42			~	1	0
135	[SUH2012] G074.753+00.913	Cl?	20 16 27.0	+36 54 58			~	1	0
136	LBN 077.61+01.59	HII	20 20 39.3	+39 37 52			~	76	0
137	[SUH2012] G077.437+01.720	Cl?	20 20 45.0	+39 35 18			~	1	0
138	SH 2-105	HII	20 21 38.2	+37 31 11			~	20	0
139	[SUH2012] G077.901+01.769	SFR	20 21 55.0	+39 59 49			~	1	0
140	[SUH2012] G076.855+00.761	SFR	20 23 06.0	+38 33 47			~	1	0
141	[SUH2012] G078.920+02.058	Cl?	20 23 44.0	+40 59 53			~	1	0
142	[SUH2012] G079.155+02.222	SFR	20 23 44.0	+41 17 04			~	1	0
143	[SUH2012] G079.151+01.830	SFR	20 25 25.0	+41 03 22			~	1	0
144	[SUH2012] G078.703+01.243	Cl?	20 26 35.0	+40 21 04			~	1	0
145	[SUH2012] G078.235+00.901	SFR	20 26 37.0	+39 46 16			~	1	0
146	[SUH2012] G079.378+01.324	Y*O	20 28 18.0	+40 56 49			~	2	0
147	[SUH2012] G078.734-00.021	Cl?	20 32 01.0	+39 38 05			~	1	0
148	[SUH2012] G077.127-01.228	Cl?	20 32 07.0	+37 37 30			~	1	0
149	[SUH2012] G077.405-01.213	Cl?	20 32 54.0	+37 51 29			~	1	0
150	[SUH2012] G077.821-01.310	Cl?	20 34 33.0	+38 08 02			~	1	0
151	[SUH2012] G079.134-00.368	Cl?	20 34 42.0	+39 45 00			~	1	0
152	[SUH2012] G079.482-00.718	SFR	20 37 15.0	+39 49 01			~	1	0
153	[SUH2012] G081.516+00.192	SFR	20 39 58.0	+41 59 12			~	1	0
154	[SUH2012] G081.123-00.133	Cl?	20 40 03.0	+41 28 37			~	1	0
155	[SUH2012] G081.309-00.112	SFR	20 40 35.0	+41 38 13			~	1	0
156	[SUH2012] G079.852-01.507	SFR	20 41 41.0	+39 37 48			~	2	0
157	[SUH2012] G084.286+01.101	Cl?	20 45 25.0	+44 43 37			~	1	0
158	[SUH2012] G084.528+01.053	Cl?	20 46 29.0	+44 53 10			~	1	0
159	[SUH2012] G083.464+00.155	Cl?	20 46 41.0	+43 29 42			~	1	0
160	[SUH2012] G085.034+00.361	SFR	20 51 19.0	+44 50 31			~	1	0
161	[SUH2012] G088.660+01.032	Cl?	21 02 02.0	+48 02 06			~	1	0
162	[SUH2012] G088.099+00.418	Cl?	21 02 33.0	+47 12 29			~	1	0
163	[SUH2012] G088.056-00.017	Cl?	21 04 17.0	+46 53 13			~	1	0
164	[SUH2012] G088.682+00.310	Cl?	21 05 19.0	+47 34 16			~	1	0
165	[SUH2012] G089.637+00.172	Cl?	21 09 47.0	+48 10 55			~	1	0
166	[SUH2012] G089.732-00.700	Cl?	21 13 57.0	+47 39 14			~	1	0
167	[SUH2012] G094.240+00.877	Cl?	21 26 45.0	+51 57 43			~	1	0
168	[SUH2012] G095.115-00.570	Cl?	21 37 15.0	+51 29 46			~	1	0
169	[SUH2012] G095.296-00.937	Cl?	21 39 41.0	+51 20 31			~	1	0
170	NAME V645 Cyg Stellar Group	Cl*	21 39 58	+50 14.4			~	2	0
171	[SUH2012] G095.003-01.578	Cl?	21 40 58.0	+50 40 01			~	1	0
172	[SUH2012] G096.258-00.192	Cl?	21 41 11.0	+52 32 10			~	1	0
173	[SUH2012] G098.320+01.551	Cl?	21 44 03.0	+55 12 11			~	1	0
174	[SUH2012] G099.070+01.200	Cl?	21 49 41.0	+55 24 54			~	1	0
175	[SUH2012] G097.928-00.261	Cl?	21 49 58.0	+53 33 40			~	1	0
176	[SUH2012] G100.729+00.739	Cl?	22 00 58.0	+56 04 44			~	1	0
177	[SUH2012] G100.842+00.636	Cl?	22 02 04.0	+56 03 54			~	1	0
178	[SUH2012] G103.640+01.087	Cl?	22 16 56.0	+58 03 00			~	1	0
179	[SUH2012] G101.091-03.037	Cl?	22 18 06.0	+53 12 19			~	1	0
180	[SUH2012] G105.907+00.491	Cl?	22 34 02.0	+58 44 42			~	1	0
181	[SUH2012] G105.834+00.325	Cl?	22 34 11.0	+58 33 50			~	1	0
182	[SUH2012] G105.768+00.059	Cl?	22 34 46.0	+58 18 05			~	1	0
183	[SUH2012] G105.675-00.237	Cl?	22 35 17.0	+57 59 53			~	1	0
184	[SUH2012] G106.911+00.647	Cl?	22 40 14.0	+59 22 27			~	1	0

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