2015A&A...581A.140S

Query : 2015A&A...581A.140S

2015A&A...581A.140S - Astronomy and Astrophysics, volume 581A, 140-140 (2015/9-1)

The VISTA Orion mini-survey: star formation in the Lynds 1630 North cloud.

SPEZZI L., PETR-GOTZENS M.G., ALCALA J.M., JORGENSEN J.K., STANKE T., LOMBARDI M. and ALVES J.F.

Abstract (from CDS):

The Orion cloud complex presents a variety of star formation mechanisms and properties and is still one of the most intriguing targets for star formation studies. We present VISTA/VIRCAM near-infrared observations of the L1630N star-forming region, including the stellar clusters NGC2068 and NGC2071 in the Orion molecular cloud B, and discuss them in combination with Spitzer data. We select 186 young stellar object (YSO) candidates in the region on the basis of multi-color criteria, confirm the YSO nature of the majority of them using published spectroscopy from the literature, and use this sample to investigate the overall star formation properties in L1630N. The K-band luminosity function of L1630N is remarkably similar to that of the Trapezium cluster, i.e., it presents a broad peak in the range 0.3-0.7M_☉ and a fraction of substellar objects of ∼20%. The fraction of YSOs still surrounded by disk/envelopes is very high (∼85%) compared to other star-forming regions of similar age (1-2Myr), but includes some uncertain corrections for diskless YSOs. Yet, a possibly high disk fraction, together with the fact that 1/3 of the cloud mass has a gas surface density above the threshold for star formation (∼129M_☉/pc2), points toward a still ongoing star formation activity in L1630N. The star formation efficiency (SFE), star formation rate (SFR), and density of star formation of L1630N are within the ranges estimated for Galactic star-forming regions by the Spitzer core to disk and Gould's Belt surveys. However, the SFE and SFR are lower than the average value measured in the Orion A cloud and, in particular, lower than that in the southern regions of L1630. This might suggest different star formation mechanisms within the L1630 cloud complex.

Abstract Copyright: ∼

Journal keyword(s): surveys - stars: pre-main sequence - open clusters and associations: individual: L1630N - stars: formation - stars: protostars - ISM: clouds

VizieR on-line data: <Available at CDS (J/A+A/581/A140): tablea1.dat tablea2.dat>

Nomenclature: Table A.2: [SPA2015] NNN N=186.

Simbad objects: 221

Full paper

View the references in ADS

Number of rows : 221

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2023	#notes
1	NAME Magellanic Clouds	GrG	03 00	-71.0						~	6623	1
2	NGC 1333	OpC	03 29 11	+31 18.6						~	1379	1
3	IC 348	OpC	03 44 32	+32 09.5						~	1343	1
4	NAME Taurus Complex	SFR	04 41.0	+25 52						~	4132	0
5	NAME Orion Nebula Cluster	OpC	05 35.0	-05 29						~	2225	1
6	NAME Ori Trapezium	OpC	05 35 16.5	-05 23 14						~	1575	1
7	NAME Ori Complex	Cld	05 35.3	-05 23						~	410	0
8	NAME Ori A	MoC	05 38	-07.1						~	2913	0
9	LDN 1641	MoC	05 39.0	-07 00						~	468	0
10	NAME Flame Nebula	HII	05 41 42.7	-01 54 44						~	699	1
11	NAME Ori B	MoC	05 41 43.0	-01 54 44						~	1311	0
12	NGC 2024	Cl*	05 41 43	-01 50.5						~	1128	1
13	LDN 1630	DNe	05 45.5	-00 59						~	373	0
14	[SPA2015] 169	Y*?	05 45 33.825	+00 39 36.76						~	1	0
15	2MASS J05454194-0012053	TT*	05 45 41.9508842448	-00 12 05.424975396						K5.5	16	0
16	2MASS J05454279-0001018	Y*O	05 45 42.7972476336	-00 01 01.860730680						M5.5	4	0
17	Kiso A-0904 170	TT*	05 45 44.3760205920	+00 22 58.260162900		16.91	15.77	15.51		M1	11	0
18	[SPA2015] 18	LP?	05 45 45.5839204728	+00 25 56.993847852						C:	1	0
19	2MASS J05454955-0008387	Y*O	05 45 49.5585439344	-00 08 38.891830452						M5	3	0
20	[SPA2015] 170	Y*?	05 45 50.636	+00 06 29.88						~	1	0
21	[SPA2015] 175	Y*?	05 45 52.811	+00 27 22.86						~	1	0
22	KHA 174	TT*	05 45 53.1173374176	-00 13 25.004747784		18.00	16.73			M1	18	0
23	EM* RJHA 9	TT*	05 45 53.5552860072	+00 33 08.764993764			17.5			M2	10	0
24	2MASS J05455468+0021222	Y*O	05 45 54.6839675208	+00 21 22.237093872						~	2	0
25	2MASS J05455512+0011394	Y*O	05 45 55.1327810568	+00 11 39.394067280						M5.5	3	0
26	[SPA2015] 184	Y*?	05 45 55.417	+00 24 36.07						~	1	0
27	2MASS J05455631+0007085	TT*	05 45 56.3186248680	+00 07 08.515164252						K7.5	13	0
28	2MASS J05455672-0000253	Y*O	05 45 56.7281169744	-00 00 25.401201480						M3	4	0
29	EM* LkHA 296	TT*	05 45 57.3896595552	+00 20 22.172250300		16.5	15.7			K7	16	0
30	2MASS J05455762+0007211	Y*O	05 45 57.6262746408	+00 07 21.088256988						M5.5	3	0
31	2MASS J05455793+0002485	TT*	05 45 57.9305218392	+00 02 48.608540160						M4.5	4	0
32	EM* LkHA 297	TT*	05 46 00.1784237136	+00 03 07.049171628		18.5				M4	12	0
33	2MASS J05460253+0017288	Y*O	05 46 02.5363011960	+00 17 28.826791692						M7	3	0
34	2MASS J05460363-0014493	Y*O	05 46 03.63	-00 14 49.3						~	61	0
35	2MASS J05460457+0000381	TT*	05 46 04.5780377400	+00 00 38.058768216						M2	10	0
36	EM* LkHA 298	TT*	05 46 04.63704	+00 04 58.1484		16.88	15.42	14.82	13.32	K6	24	0
37	IRAS 05435-0015	Y*O	05 46 04.775	-00 14 16.51						~	68	0
38	2MASS J05460722-0013231	Y*O	05 46 07.227	-00 13 23.17						~	11	0
39	[SPA2015] 176	Y*?	05 46 07.227	-00 11 34.91						~	1	0
40	NAME HH 24-26	MoC	05 46 07.34	-00 13 31.3						~	34	0
41	2MASS J05460787-0010014	Y*O	05 46 07.873	-00 10 01.41						~	30	0
42	HBC 502	TT*	05 46 07.8799942272	-00 11 56.887013256			14.5			K3	43	0
43	2MASS J05460852-0010390	Y*O	05 46 08.528	-00 10 39.05						~	14	0
44	EM* LkHA 299	TT*	05 46 09.27000	+00 13 32.6136		17.16	15.45	15.61		M1	13	0
45	2MASS J05460960-0003312	Y*O	05 46 09.6062224872	-00 03 31.281751872						M1.5	6	0
46	2MASS J05461030-0000066	Y*O	05 46 10.3037856072	-00 00 06.730989444						M2	4	0
47	2MASS J05461134-0007550	Y*O	05 46 11.3639849856	-00 07 55.278861528						M3.5	3	0
48	2MASS J05461162-0006279	Y*O	05 46 11.6126700048	-00 06 28.024161084						~	16	0
49	2MASS J05461186+0032259	Y*O	05 46 11.8695187200	+00 32 25.836551232						K2	15	0
50	2MASS J05461218+0003498	Y*O	05 46 12.1828652064	+00 03 49.803351480						~	2	0
51	2MASS J05461226-0008078	Y*O	05 46 12.2611158624	-00 08 07.821023784						M7	5	0
52	2MASS J05461299-0008148	Y*O	05 46 13.0080758784	-00 08 14.860518180						M4.5	5	0
53	V* V1647 Ori	Or*	05 46 13.1370578472	-00 06 04.885093296			18.1			M3.9	265	1
54	HOPS 328	Y*O	05 46 13.4512415808	+00 10 32.895570720						~	3	0
55	2MASS J05461350-0008556	Y*O	05 46 13.510	-00 08 55.68						~	4	0
56	2MASS J05461355+0023491	Y*O	05 46 13.559	+00 23 49.14						~	2	0
57	2MASS J05461423-0005261	Y*O	05 46 14.234	-00 05 26.20						~	5	0
58	2MASS J05461447+0020243	TT*	05 46 14.4893643528	+00 20 24.331348860						M4	5	0
59	2MASS J05461674+0007134	Y*O	05 46 16.7497745616	+00 07 13.342029528						M5	8	0
60	CRTS J054618.0+001212	Y*O	05 46 18.0164501448	+00 12 12.221809128			16.77			M1.7	9	0
61	2MASS J05461829+0006578	TT*	05 46 18.2992725000	+00 06 57.780058968						K5.5	12	0
62	2MASS J05461859+0007079	Y*O	05 46 18.6009670752	+00 07 07.920841764						M3.5	3	0
63	V* V2764 Ori	TT*	05 46 18.8940183048	-00 05 38.169480768		15.3	14.4			K7	19	0
64	EM* LkHA 300	TT*	05 46 19.0551946080	+00 03 29.485773036		18.0				K6	22	0
65	[SPA2015] 166	Y*?	05 46 19.435	+00 35 44.45						~	1	0
66	EM* LkHA 301	TT*	05 46 19.4689575480	-00 05 20.030650836		15.4	14.6			K2.5	37	0
67	2MASS J05462087+0008094	TT*	05 46 20.8775190240	+00 08 09.307184676						K8	9	0
68	2MASS J05462106-0012092	Y*O	05 46 21.063	-00 12 09.21						~	2	0
69	[SPA2015] 171	Y*?	05 46 21.758	+00 37 08.15						~	1	0
70	2MASS J05462181+0012092	Y*O	05 46 21.8234176704	+00 12 09.201700584						~	2	0
71	EM* LkHA 302	TT*	05 46 22.4333214840	-00 08 52.633597092			15.1			K2	32	0
72	2MASS J05462298+0004264	TT*	05 46 22.9902233760	+00 04 26.478857172						M2	9	0
73	2MASS J05462509+0005412	Y*O	05 46 25.1123581848	+00 05 41.208952740						K7.5	10	0
74	2MASS J05462571+0023413	Y*O	05 46 25.71072	+00 23 41.3304						~	6	0
75	2MASS J05462588+0009319	TT*	05 46 25.8853260600	+00 09 31.896703764						M3.5	10	0
76	2MASS J05462591+0007092	Y*O	05 46 25.9198930752	+00 07 09.149997252						~	2	0
77	[STS2013] 92011	Y*?	05 46 26.248	-00 04 44.76						~	3	0
78	2MASS J05462665+0031074	TT*	05 46 26.6574243480	+00 31 07.448902752						K7	10	0
79	2MASS J05462723+0001499	Y*O	05 46 27.237	+00 01 49.95						~	2	0
80	[SPA2015] 168	Y*?	05 46 27.303	-00 21 40.75						~	1	0
81	2MASS J05462733+0008520	Y*O	05 46 27.3451215528	+00 08 51.762898968						~	4	0
82	2MASS J05462830+0003307	Y*O	05 46 28.305	+00 03 30.73						~	2	0
83	2MASS J05462836+0012269	Y*O	05 46 28.3660202280	+00 12 26.904167172						M3.5	3	0
84	2MASS J05462886+0013306	Y*O	05 46 28.86864	+00 13 30.6624						M0.5	8	0
85	2MASS J05462913+0002590	Y*O	05 46 29.1347674320	+00 02 59.078025564						~	6	0
86	2MASS J05462958+0010572	Y*O	05 46 29.5877457360	+00 10 57.160356600						M5.5	7	0
87	2MASS J05463005+0012096	TT*	05 46 30.0600239496	+00 12 09.609575688						M1.5	10	0
88	2MASS J05463064-0002349	Y*O	05 46 30.645	-00 02 34.97						~	29	0
89	[SPA2015] 186	Y*?	05 46 30.754	+00 31 00.77						~	1	0
90	IRAS F05439+0024	TT*	05 46 31.0591924104	+00 25 33.743738820						M4.5	13	0
91	2MASS J05463109+0006058	Y*O	05 46 31.091	+00 06 05.84						~	2	0
92	2MASS J05463154+0005065	Y*O	05 46 31.542	+00 05 06.58						~	2	0
93	2MASS J05463155+0006399	Y*O	05 46 31.5690957144	+00 06 39.985672068						M1.5	7	0
94	2MASS J05463171+0025081	Y*O	05 46 31.7175869520	+00 25 08.070289320						M3.5	8	0
95	2MASS J05463271+0008517	Y*O	05 46 32.7188046000	+00 08 51.751927428						~	5	0
96	2MASS J05463318+0000021	Y*O	05 46 33.188	+00 00 02.15						~	10	0
97	2MASS J05463328+0002518	TT*	05 46 33.2898861264	+00 02 51.958926024						K4	18	0
98	2MASS J05463330+0022554	Y*O	05 46 33.3144267432	+00 22 55.474589676						~	2	0
99	[SSC75] M 78 4	TT*	05 46 34.5409903448	+00 06 43.466273540						K4	9	0
100	2MASS J05463489+0004206	TT*	05 46 34.9036243488	+00 04 20.760705660						M4	11	0
101	2MASS J05463610+0006268	Y*O	05 46 36.1095562872	+00 06 26.871222816						M0	8	0
102	EM* LkHA 304	TT*	05 46 37.0684320048	+00 01 21.882730224			16			K5.5	24	0
103	2MASS J05463751+0006546	Y*O	05 46 37.5307094688	+00 06 54.581624028						~	3	0
104	2MASS J05463753+0008004	Y*O	05 46 37.5408177144	+00 08 00.479051808						~	2	0
105	2MASS J05463755+0000338	Y*O	05 46 37.551	+00 00 33.80						~	18	0
106	[MGM2012] 3157	Y*?	05 46 37.87	-00 18 58.2						~	2	0
107	2MASS J05463832+0005486	Y*O	05 46 38.3260971000	+00 05 48.792793740						M6	5	0
108	2MASS J05463840+0015116	Y*O	05 46 38.3996320128	+00 15 11.564494632						M5.5	3	0
109	2MASS J05463856+0022059	TT*	05 46 38.5703780736	+00 22 06.041892576						M1	9	0
110	2MASS J05463988+0006449	Y*O	05 46 39.8946374064	+00 06 44.957869416						M2	3	0
111	2MASS J05464014+0010388	Y*O	05 46 40.150	+00 10 38.80						~	2	0
112	2MASS J05464076+0027225	TT*	05 46 40.76784	+00 27 22.5108						M3	10	0
113	2MASS J05464088+0022390	Y*O	05 46 40.882	+00 22 39.00						~	3	0
114	2MASS J05464247+0023009	Y*O	05 46 42.478	+00 23 00.99						~	5	0
115	2MASS J05464384+0015323	TT*	05 46 43.8478594872	+00 15 32.287272444						M2	8	0
116	2MASS J05464408+0018031	TT*	05 46 44.0933464440	+00 18 03.081565728						K5	11	0
117	2MASS J05464483+0016597	TT*	05 46 44.8407868536	+00 16 59.793729240						M1	10	0
118	2MASS J05464500+0011327	Y*O	05 46 45.0044820048	+00 11 32.840814048						M4.5	3	0
119	2MASS J05464503+0005339	Y*O	05 46 45.0471371832	+00 05 33.963277056						M0.5	6	0
120	2MASS J05464514+0003464	Y*O	05 46 45.1537852560	+00 03 46.497579120						M2.5	6	0
121	M 78	RNe	05 46 45.8	+00 04 45		8.0				~	366	0
122	EM* LkHA 305	TT*	05 46 45.8182009824	+00 17 02.469413148		16.5	15.1			M0e	14	0
123	2MASS J05464687+0009076	TT*	05 46 46.8763599936	+00 09 07.682257080			17.0			M0	13	0
124	2MASS J05464696+0007091	Y*O	05 46 46.9691255616	+00 07 09.104557188						M2.0	7	0
125	NAME LDN 1630N	Cl*	05 46 47.0	+00 09 50						~	12	1
126	2MASS J05464703+0000265	Y*O	05 46 47.037	+00 00 26.57						~	10	0
127	2MASS J05464729+0004069	Y*O	05 46 47.29656	+00 04 06.9924						~	8	0
128	2MASS J05464740+0012592	Y*O	05 46 47.4033406824	+00 12 59.186208888						~	6	0
129	2MASS J05464855+0021281	Y*O	05 46 48.552	+00 21 28.17						K6.5	6	0
130	2MASS J05464872+0021383	Y*O	05 46 48.7353655104	+00 21 38.320300116						M4.5	3	0
131	2MASS J05464908+0028383	Y*O	05 46 49.0920538320	+00 28 38.391818484						M5	3	0
132	EM* LkHA 306	Y*O	05 46 50.2232885760	+00 04 39.654816024		17	16.5			~	13	0
133	2MASS J05465046+0022226	Y*O	05 46 50.466	+00 22 22.69						~	3	0
134	2MASS J05465119+0018082	Y*O	05 46 51.1955517144	+00 18 08.267914404						M5.5	3	0
135	2MASS J05465139+0019471	Y*O	05 46 51.399	+00 19 47.19						M2	7	0
136	2MASS J05465148+0019213	TT*	05 46 51.4828777824	+00 19 21.330627240						M3.5	9	0
137	2MASS J05465185+0019385	Y*O	05 46 51.8558166288	+00 19 38.581916556						M4	4	0
138	2MASS J05465241+0020016	TT*	05 46 52.4159850048	+00 20 01.665353868						K9	12	0
139	2MASS J05465262+0022085	Y*O	05 46 52.630	+00 22 08.56						~	2	0
140	2MASS J05465268+0006088	Y*O	05 46 52.6893336312	+00 06 08.800956612						~	2	0
141	2MASS J05465357+0000057	Y*O	05 46 53.5863018720	+00 00 05.796028188						M1.9	6	0
142	2MASS J05465372+0026313	Y*O	05 46 53.7253336008	+00 26 31.249466988						M7e	3	0
143	2MASS J05465376+0000339	Y*O	05 46 53.7794879280	+00 00 34.060004784						M3.1	6	0
144	2MASS J05465443+0021141	Y*O	05 46 54.4432356072	+00 21 14.232584484						M4.1	7	0
145	2MASS J05465509+0023345	Y*O	05 46 55.092	+00 23 34.60						~	6	0
146	2MASS J05465712+0025357	Y*O	05 46 57.125	+00 25 35.72						~	2	0
147	[SPA2015] 185	Y*?	05 46 57.967	+00 25 01.88						~	1	0
148	2MASS J05465803+0014278	TT*	05 46 58.0376324376	+00 14 27.844115784						M3	8	0
149	2MASS J05465813+0005381	TT*	05 46 58.1440932144	+00 05 38.319048636						M0	9	0
150	2MASS J05465870+0026490	Y*O	05 46 58.701	+00 26 49.03						~	2	0
151	2MASS J05465902+0024578	Y*O	05 46 59.03	+00 24 57.9						~	3	0
152	[MGM2012] 3382	Y*?	05 47 00.41	+00 22 59.3						~	2	0
153	2MASS J05470084+0005120	Y*O	05 47 00.842	+00 05 12.02						~	2	0
154	[SPA2015] 126	Y*?	05 47 01.0707181728	+00 25 43.886548344						~	1	0
155	2MASS J05470207+0023297	Y*O	05 47 02.074	+00 23 29.73						~	2	0
156	2MASS J05470296+0006025	Y*O	05 47 02.9768375472	+00 06 02.496024216						~	2	0
157	2MASS J05470331+0023232	Y*O	05 47 03.3139100376	+00 23 23.273392848						M1.8	10	0
158	2MASS J05470374+0023293	Y*O	05 47 03.7464179472	+00 23 29.328261144						~	2	0
159	2MASS J05470397+0011143	TT*	05 47 03.9815243712	+00 11 14.267802876						M2	12	0
160	2MASS J05470400+0022103	Y*O	05 47 04.004	+00 22 10.38						~	6	0
161	2MASS J05470435+0023198	Y*O	05 47 04.3579793664	+00 23 19.873228740						~	2	0
162	2MASS J05470471+0019189	Y*O	05 47 04.7106340032	+00 19 18.962796828						~	2	0
163	2MASS J05470530+0023101	Y*O	05 47 05.2966607472	+00 23 10.268888748						M2.1	10	0
164	EM* LkHA 307	TT*	05 47 06.00168	+00 32 08.4804			17.5			K0	20	0
165	2MASS J05470617+0020324	Y*O	05 47 06.1684559496	+00 20 32.504983296						M1	8	0
166	[SPA2015] 86	Y*?	05 47 06.258	+00 24 53.96						~	1	0
167	EM* LkHA 309	TT*	05 47 06.9688378728	+00 00 47.643863076			14.7			K4.5	25	0
168	2MASS J05470698+0031559	TT*	05 47 06.9865570776	+00 31 55.962366060						M1	10	0
169	EM* LkHA 308	TT*	05 47 07.2632601168	+00 19 32.170074348		18.0	15.9			M0	19	0
170	2MASS J05470792+0020247	Y*O	05 47 07.9255760064	+00 20 24.706949316						~	2	0
171	2MASS J05470870+0016347	Y*O	05 47 08.7113921256	+00 16 34.766020128						M4.5	3	0
172	NGC 2071	RNe	05 47 10	+00 18.0						~	632	1
173	2MASS J05471062+0021149	Y*O	05 47 10.62744	+00 21 14.9616						~	20	0
174	2MASS J05471071+0032110	Y*O	05 47 10.7188353528	+00 32 11.006110464						M7	3	0
175	2MASS J05471089+0032059	TT*	05 47 10.8913812312	+00 32 05.958204864						M1.5	8	0
176	2MASS J05471245+0022152	Y*O	05 47 12.459	+00 22 15.23						~	3	0
177	2MASS J05471291+0022064	Y*O	05 47 12.9168312600	+00 22 06.537517212						M0	10	0
178	[MGM2012] 3283	Y*O	05 47 13.1963172312	+00 10 55.336152576						~	2	0
179	EM* LkHA 313	TT*	05 47 13.84752	+00 00 17.0532				14.70		M1	17	0
180	EM* LkHA 314	TT*	05 47 14.1132479736	+00 09 07.305335676		14.90	13.8			Ke	26	0
181	2MASS J05471488+0021187	Y*O	05 47 14.887	+00 21 18.75						~	3	0
182	2MASS J05471550+0018462	Y*O	05 47 15.509	+00 18 46.22						~	2	0
183	2MASS J05471658-0000563	TT*	05 47 16.5922471848	-00 00 56.415059604						M4	8	0
184	2MASS J05471716+0018246	TT*	05 47 17.1639225216	+00 18 24.549942276			18.5			M1	9	0
185	2MASS J05471918+0019206	Y*O	05 47 19.1870045928	+00 19 20.629085376						~	7	0
186	2MASS J05471972+0001218	TT*	05 47 19.7297149200	+00 01 21.797963148						M5	4	0
187	2MASS J05471990+0016131	Y*O	05 47 19.9050423816	+00 16 13.035987912						M5	3	0
188	2MASS J05472079+0019245	Y*O	05 47 20.7903985464	+00 19 24.467315484						~	3	0
189	2MASS J05472291+0020577	Y*O	05 47 22.914	+00 20 57.77						~	5	0
190	2MASS J05472540+0019398	Y*O	05 47 25.401	+00 19 39.85						~	3	0
191	2MASS J05472609+0019277	Y*O	05 47 26.096	+00 19 27.70						~	2	0
192	2MASS J05472632+0018483	Y*O	05 47 26.3290358400	+00 18 48.316143096						M2.6	7	0
193	2MASS J05472703+0019265	Y*O	05 47 27.034	+00 19 26.50						~	2	0
194	2MASS J05472736+0005152	Y*O	05 47 27.3660880427	+00 05 15.423817926						M3.8	7	0
195	2MASS J05472775+0020357	Y*O	05 47 27.75048	+00 20 35.7540						~	7	0
196	2MASS J05473169+0020206	Y*O	05 47 31.691	+00 20 20.63						~	4	0
197	2MASS J05473393+0040074	Y*O	05 47 33.932	+00 40 07.43						~	2	0
198	[SPA2015] 106	Y*?	05 47 35.166	+00 21 29.12						~	1	0
199	[SPA2015] 161	Y*?	05 47 43.4735493720	-00 26 18.110200128						~	1	0
200	2MASS J05474531+0000097	Y*O	05 47 45.3311322744	+00 00 09.805918752						~	2	0
201	[SPA2015] 174	Y*?	05 47 51.834	+00 15 53.14						~	1	0
202	[SPA2015] 162	Y*?	05 48 02.016	+00 15 33.44						~	1	0
203	AP J05480399+0003412	LP?	05 48 04.0021806240	+00 03 40.923526284						~	4	0
204	UCAC4 449-011994	Y*O	05 48 11.8842993984	-00 21 57.529784664		15.556	14.101	14.511		~	4	1
205	NAME Orion Molecular Cloud	MoC	05 56	-01.8						~	1038	1
206	NAME Cha 1	MoC	11 06 48	-77 18.0						~	1099	1
207	NGC 3603	OpC	11 15 11	-61 15.5						~	1036	1
208	NAME Chamaeleon Region	SFR	11 55	-78.0						~	765	0
209	NAME Cha II	MoC	12 54	-77.2						~	322	0
210	Lupus 1	Cld	15 43 02.1	-34 09 06						~	267	0
211	NAME Lupus Complex	SFR	16 03	-38.1						~	653	0
212	Lupus 4	MoC	16 03 12.4	-42 07 43						~	146	0
213	Lupus 3	SFR	16 09.6	-39 03						~	309	0
214	ELAIS N1	reg	16 10 01	+54 30.6						~	382	0
215	NAME Upper Sco Association	As*	16 12	-23.4						~	1269	1
216	Lupus 5	MoC	16 21	-37.5						~	60	0
217	Lupus 6	Cld	16 25	-40.3						~	49	1
218	* rho Oph	**	16 25 35.11766	-23 26 49.8150	4.30	4.85	4.63	4.27	3.96	B2IV+B2V	635	0
219	NAME Serpens Cloud	SFR	18 29 49	+01 14.8						~	1060	2
220	IC 1396	OpC	21 38 59	+57 30.8						~	479	1
221	NAME Gould Belt	PoG	~	~						~	842	1

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