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


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.04CEST14:37:12

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

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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 - 2020
#notes
1 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 5665 1
2 NGC 1333 OpC 03 29 11 +31 18.6           ~ 1219 1
3 IC 348 OpC 03 44 34 +32 09.8           ~ 1227 1
4 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 3478 0
5 NAME Orion Nebula Cluster OpC 05 35.0 -05 29           ~ 1977 1
6 NAME Trapezium Cluster As* 05 35 16.5 -05 23 14           ~ 1466 1
7 NAME Ori Complex Cld 05 35.3 -05 23           ~ 334 0
8 NAME Ori A MoC 05 38 -07.1           ~ 2675 0
9 LDN 1641 MoC 05 39.0 -07 00           ~ 426 0
10 NAME Flame Nebula HII 05 41 42.7 -01 54 44           ~ 692 1
11 NAME Ori B MoC 05 41 43.0 -01 54 44           ~ 1164 0
12 NGC 2024 Cl* 05 41 43 -01 50.5           ~ 1071 1
13 LDN 1630 DNe 05 45.5 -00 59           ~ 350 0
14 [SPA2015] 169 Y*? 05 45 33.825 +00 39 36.76           ~ 1 0
15 2MASS J05454194-0012053 TT* 05 45 41.9507511665 -00 12 05.423720109           K5.5 11 0
16 2MASS J05454279-0001018 Y*O 05 45 42.7970099266 -00 01 01.858985750           M5.5 3 0
17 Kiso A-0904 170 TT* 05 45 44.3761868756 +00 22 58.256088563   16.91 15.77 15.51   M1 8 0
18 [SPA2015] 18 Y*? 05 45 45.5924859058 +00 25 56.891315499           ~ 1 0
19 2MASS J05454955-0008387 Y*O 05 45 49.5580524014 -00 08 38.888617038           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 2MASS J05455311-0013248 TT* 05 45 53.1172400472 -00 13 25.004919726     16.7     M1 12 0
23 EM* RJHA 9 TT* 05 45 53.5541693388 +00 33 08.784301178     17.5     M2 8 0
24 2MASS J05455468+0021222 Y*O 05 45 54.6837010409 +00 21 22.233485020           ~ 2 0
25 2MASS J05455512+0011394 Y*O 05 45 55.1326414041 +00 11 39.413355509           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 56.3186564582 +00 07 08.515229277           K7.5 10 0
28 2MASS J05455672-0000253 Y*O 05 45 56.7285790588 -00 00 25.402409326           M3 4 0
29 EM* LkHA 296 TT* 05 45 57.3897200117 +00 20 22.171412296   16.5 15.7     K7 11 0
30 2MASS J05455762+0007211 Y*O 05 45 57.6266644609 +00 07 21.088754702           M5.5 3 0
31 2MASS J05455793+0002485 TT* 05 45 57.9308490735 +00 02 48.612452793           M4.5 4 0
32 EM* LkHA 297 TT* 05 46 00.1779249091 +00 03 07.064860718   18.5       M4 10 0
33 2MASS J05460253+0017288 Y*O 05 46 02.5357501776 +00 17 28.843008768           ~ 2 0
34 2MASS J05460363-0014493 Y*O 05 46 03.63 -00 14 49.3           ~ 46 0
35 2MASS J05460457+0000381 TT* 05 46 04.5781807014 +00 00 38.061163463           M2 7 0
36 EM* LkHA 298 TT* 05 46 04.63704 +00 04 58.1484   16.88 15.42 14.82 13.32 K6 19 0
37 IRAS 05435-0015 Y*O 05 46 04.775 -00 14 16.51           ~ 58 0
38 2MASS J05460722-0013231 Y*O 05 46 07.227 -00 13 23.17           ~ 6 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           ~ 30 0
41 2MASS J05460787-0010014 Y*O 05 46 07.873 -00 10 01.41           ~ 27 0
42 HBC 502 TT* 05 46 07.8800816831 -00 11 56.886181309     14.5     K3 34 0
43 2MASS J05460852-0010390 Y*O 05 46 08.528 -00 10 39.05           ~ 7 0
44 EM* LkHA 299 TT* 05 46 09.27000 +00 13 32.6136   17.16 15.45 15.61   M1 9 0
45 2MASS J05460960-0003312 Y*O 05 46 09.6062998828 -00 03 31.261259937           M1.5 6 0
46 2MASS J05461030-0000066 Y*O 05 46 10.3033865355 -00 00 06.733786719           M2 4 0
47 2MASS J05461134-0007550 Y*O 05 46 11.3633347722 -00 07 55.287541776           M3.5 3 0
48 2MASS J05461162-0006279 Y*O 05 46 11.6119102307 -00 06 27.986558906           ~ 14 0
49 2MASS J05461186+0032259 TT? 05 46 11.8694739640 +00 32 25.837377945           K2 13 0
50 2MASS J05461218+0003498 Y*O 05 46 12.1843680067 +00 03 49.769891492           ~ 2 0
51 2MASS J05461226-0008078 Y*O 05 46 12.2613941598 -00 08 07.813183878           M7 5 0
52 2MASS J05461299-0008148 Y*O 05 46 13.0075857057 -00 08 14.865080744           M4.5 4 0
53 V* V1647 Ori Or* 05 46 13.1370923766 -00 06 04.876812846     18.1     ~ 231 1
54 HOPS 328 Y*O 05 46 13.4520709179 +00 10 32.903752553           ~ 2 0
55 2MASS J05461350-0008556 Y*O 05 46 13.510 -00 08 55.68           ~ 3 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           ~ 3 0
58 2MASS J05461447+0020243 TT* 05 46 14.4894999957 +00 20 24.330484983           M4 5 0
59 2MASS J05461674+0007134 Y*O 05 46 16.7483016937 +00 07 13.363348048           M5 6 0
60 2MASS J05461801+0012122 Y*O 05 46 18.0164699816 +00 12 12.218803748     16.77     ~ 5 0
61 2MASS J05461829+0006578 TT* 05 46 18.2986321015 +00 06 57.787812206           K5.5 9 0
62 2MASS J05461859+0007079 Y*O 05 46 18.5999778909 +00 07 07.939744999           M3.5 3 0
63 V* V2764 Ori Or* 05 46 18.8952195033 -00 05 38.166725553   15.3 14.4     K7 16 0
64 EM* LkHA 300 TT* 05 46 19.0562957783 +00 03 29.515781301   18.0       K6 16 0
65 [SPA2015] 166 Y*? 05 46 19.435 +00 35 44.45           ~ 1 0
66 EM* LkHA 301 TT* 05 46 19.4689170799 -00 05 20.025946066   15.4 14.6     K2.5 31 0
67 2MASS J05462087+0008094 TT* 05 46 20.8772642536 +00 08 09.312611280           K8 6 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 21.8238306822 +00 12 09.213324090           ~ 2 0
71 EM* LkHA 302 TT* 05 46 22.4334156885 -00 08 52.631578581     15.1     K2 29 0
72 2MASS J05462298+0004264 TT* 05 46 22.9902465278 +00 04 26.479873569           M2 6 0
73 2MASS J05462509+0005412 Y*O 05 46 25.1116109171 +00 05 41.234795266           K7.5 7 0
74 2MASS J05462571+0023413 Y*O 05 46 25.71072 +00 23 41.3304           ~ 4 0
75 2MASS J05462588+0009319 TT* 05 46 25.8854686932 +00 09 31.906126776           M3.5 7 0
76 2MASS J05462591+0007092 Y*O 05 46 25.9214372557 +00 07 09.142552370           ~ 2 0
77 [STS2013] 92011 Y*? 05 46 26.248 -00 04 44.76           ~ 2 0
78 2MASS J05462665+0031074 TT* 05 46 26.6576135820 +00 31 07.450808510           K7 7 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 27.3419667960 +00 08 51.762727639           ~ 3 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 28.3670047756 +00 12 26.904019292           M3.5 3 0
84 2MASS J05462886+0013306 Y*O 05 46 28.86864 +00 13 30.6624           M0.5 6 0
85 2MASS J05462913+0002590 Y*O 05 46 29.13048 +00 02 59.0244           ~ 5 0
86 2MASS J05462958+0010572 Y*O 05 46 29.5902648626 +00 10 57.119988536           M5.5 5 0
87 2MASS J05463005+0012096 TT* 05 46 30.0607442437 +00 12 09.601392989           M1.5 7 0
88 [SPA2015] 177 Y*? 05 46 30.635 -00 02 35.41           ~ 1 0
89 [SPA2015] 186 Y*? 05 46 30.754 +00 31 00.77           ~ 1 0
90 IRAS F05439+0024 TT* 05 46 31.0594954547 +00 25 33.744573969           M4.5 10 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 31.5694069604 +00 06 39.989042016           ~ 4 0
94 2MASS J05463171+0025081 Y*O 05 46 31.7180110344 +00 25 08.060065411           M3.5 5 0
95 2MASS J05463271+0008517 Y*O 05 46 32.7182877977 +00 08 51.746859399           ~ 5 0
96 2MASS J05463318+0000021 Y*O 05 46 33.188 +00 00 02.15           ~ 6 0
97 2MASS J05463328+0002518 TT* 05 46 33.2898207213 +00 02 51.962901990           K4 15 0
98 2MASS J05463330+0022554 Y*O 05 46 33.3133930593 +00 22 55.489828086           ~ 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 34.9037388936 +00 04 20.763220278           M4 9 0
101 2MASS J05463610+0006268 Y*O 05 46 36.1098046529 +00 06 26.898454776           M0 8 0
102 EM* LkHA 304 TT* 05 46 37.0664004964 +00 01 21.909139806     16     K5.5 22 0
103 2MASS J05463751+0006546 Y*O 05 46 37.5252503424 +00 06 54.673222012           ~ 3 0
104 2MASS J05463753+0008004 Y*O 05 46 37.5400253871 +00 08 00.489345452           ~ 2 0
105 2MASS J05463755+0000338 Y*O 05 46 37.551 +00 00 33.80           ~ 4 0
106 [MGM2012] 3157 Y*? 05 46 37.87 -00 18 58.2           ~ 2 0
107 2MASS J05463832+0005486 Y*O 05 46 38.3219426381 +00 05 48.935888877           M6 5 0
108 2MASS J05463840+0015116 Y*O 05 46 38.3996206087 +00 15 11.564969301           M5.5 3 0
109 2MASS J05463856+0022059 TT* 05 46 38.5706627392 +00 22 06.041750937           M1 6 0
110 2MASS J05463988+0006449 Y*O 05 46 39.8940164105 +00 06 44.967139082           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 7 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           ~ 3 0
115 2MASS J05464384+0015323 TT* 05 46 43.8482066666 +00 15 32.284347816           M2 5 0
116 2MASS J05464408+0018031 TT* 05 46 44.0924363822 +00 18 03.089384198           K5 8 0
117 2MASS J05464483+0016597 TT* 05 46 44.8407222009 +00 16 59.793385844           M1 7 0
118 2MASS J05464500+0011327 Y*O 05 46 45.0046294257 +00 11 32.850687624           M4.5 3 0
119 2MASS J05464503+0005339 Y*O 05 46 45.0485702274 +00 05 33.935867517           M0.5 4 0
120 2MASS J05464514+0003464 Y*O 05 46 45.1533978911 +00 03 46.511621892           M2.5 4 0
121 M 78 RNe 05 46 45.8 +00 04 45   8.0       ~ 342 0
122 EM* LkHA 305 Y*O 05 46 45.8186468132 +00 17 02.466779811   16.5 15.1     ~ 10 0
123 2MASS J05464687+0009076 TT* 05 46 46.8763777998 +00 09 07.680263268     17.0     M0 9 0
124 2MASS J05464696+0007091 Y*O 05 46 46.9689104506 +00 07 09.083811692           ~ 4 0
125 NAME LDN 1630N Cl* 05 46 47.0 +00 09 50           ~ 10 1
126 2MASS J05464703+0000265 Y*O 05 46 47.037 +00 00 26.57           ~ 7 0
127 2MASS J05464729+0004069 Y*O 05 46 47.29656 +00 04 06.9924           ~ 5 0
128 2MASS J05464740+0012592 Y*O 05 46 47.4037701256 +00 12 59.185906161           ~ 4 0
129 2MASS J05464855+0021281 Y*O 05 46 48.552 +00 21 28.17           K6.5 4 0
130 2MASS J05464872+0021383 Y*O 05 46 48.7368679271 +00 21 38.307367328           M4.5 3 0
131 2MASS J05464908+0028383 Y*O 05 46 49.0919079528 +00 28 38.426861950           M5 3 0
132 EM* LkHA 306 Y*O 05 46 50.2232698188 +00 04 39.654996219   17 16.5     ~ 10 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 51.1959179318 +00 18 08.272720760           M5.5 3 0
135 2MASS J05465139+0019471 Y*O 05 46 51.399 +00 19 47.19           M2 5 0
136 2MASS J05465148+0019213 TT* 05 46 51.4831371919 +00 19 21.325702860           M3.5 6 0
137 2MASS J05465185+0019385 Y*O 05 46 51.8557514055 +00 19 38.581633843           M4 4 0
138 2MASS J05465241+0020016 TT* 05 46 52.4161984675 +00 20 01.665625270           K9 8 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 52.6881485798 +00 06 08.814066872           ~ 2 0
141 2MASS J05465357+0000057 Y*O 05 46 53.5853530236 +00 00 05.813552170           ~ 3 0
142 2MASS J05465372+0026313 Y*O 05 46 53.7257328174 +00 26 31.253112493           ~ 2 0
143 2MASS J05465376+0000339 Y*O 05 46 53.7796893418 +00 00 34.070270371           ~ 3 0
144 2MASS J05465443+0021141 Y*O 05 46 54.4417294014 +00 21 14.265045090           ~ 4 0
145 2MASS J05465509+0023345 Y*O 05 46 55.092 +00 23 34.60           ~ 4 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 58.0377297409 +00 14 27.846148345           M3 5 0
149 2MASS J05465813+0005381 TT* 05 46 58.1440535382 +00 05 38.321194714           M0 6 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 01.0670640405 +00 25 43.899335746           ~ 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 02.9769726750 +00 06 02.503196095           ~ 2 0
157 2MASS J05470331+0023232 Y*O 05 47 03.3143997973 +00 23 23.272109083           M3~ 7 0
158 2MASS J05470374+0023293 Y*O 05 47 03.7464691425 +00 23 29.330569806           ~ 2 0
159 2MASS J05470397+0011143 TT* 05 47 03.9814217507 +00 11 14.267238411           M2 8 0
160 2MASS J05470400+0022103 Y*O 05 47 04.004 +00 22 10.38           ~ 4 0
161 2MASS J05470435+0023198 Y*O 05 47 04.3583589051 +00 23 19.922422954           ~ 2 0
162 2MASS J05470471+0019189 Y*O 05 47 04.7104408615 +00 19 18.966428219           ~ 2 0
163 2MASS J05470530+0023101 Y*O 05 47 05.2922264588 +00 23 10.286798986           ~ 6 0
164 EM* LkHA 307 TT* 05 47 06.00168 +00 32 08.4804     17.5     K0 18 0
165 2MASS J05470617+0020324 Y*O 05 47 06.1681294346 +00 20 32.528420762           M1 5 0
166 [SPA2015] 86 Y*? 05 47 06.258 +00 24 53.96           ~ 1 0
167 EM* LkHA 309 TT* 05 47 06.9688069120 +00 00 47.641847866     14.7     K4.5 19 0
168 2MASS J05470698+0031559 TT* 05 47 06.9866639651 +00 31 55.963231142           M1 7 0
169 EM* LkHA 308 TT* 05 47 07.2621695494 +00 19 32.192640574   18.0 15.9     M0 16 0
170 2MASS J05470792+0020247 Y*O 05 47 07.9259609596 +00 20 24.709045100           ~ 2 0
171 2MASS J05470870+0016347 Y*O 05 47 08.7128573396 +00 16 34.779129455           M4.5 3 0
172 NGC 2071 RNe 05 47 10 +00 18.0           ~ 609 1
173 2MASS J05471062+0021149 Y*O 05 47 10.62744 +00 21 14.9616           ~ 15 0
174 2MASS J05471071+0032110 Y*O 05 47 10.7188509794 +00 32 11.010166844           ~ 2 0
175 2MASS J05471089+0032059 TT* 05 47 10.8914755353 +00 32 05.958859341           M1.5 6 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 12.9190745064 +00 22 06.537115321           M0 7 0
178 [MGM2012] 3283 Y*O 05 47 13.1967401591 +00 10 55.330969948           ~ 2 0
179 EM* LkHA 313 TT* 05 47 13.84752 +00 00 17.0532       14.70   M1 15 0
180 EM* LkHA 314 TT* 05 47 14.1134209082 +00 09 07.305775862   14.90 13.8     Ke 22 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 16.5920574585 -00 00 56.408698081           M4 5 0
184 2MASS J05471716+0018246 TT* 05 47 17.1641833797 +00 18 24.551021351     18.5     M1 6 0
185 2MASS J05471918+0019206 Y*O 05 47 19.1872039014 +00 19 20.631647817           ~ 4 0
186 2MASS J05471972+0001218 TT* 05 47 19.7296630120 +00 01 21.802691001           M5 4 0
187 2MASS J05471990+0016131 Y*O 05 47 19.9052423089 +00 16 13.045068780           M5 3 0
188 2MASS J05472079+0019245 Y*O 05 47 20.793 +00 19 24.50           ~ 3 0
189 2MASS J05472291+0020577 Y*O 05 47 22.914 +00 20 57.77           ~ 3 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 26.3290806412 +00 18 48.327539172           ~ 4 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           ~ 4 0
195 2MASS J05472775+0020357 Y*O 05 47 27.75048 +00 20 35.7540           ~ 5 0
196 2MASS J05473169+0020206 Y*O 05 47 31.691 +00 20 20.63           ~ 3 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 43.464 -00 26 17.88           ~ 1 0
200 2MASS J05474531+0000097 Y*O 05 47 45.319 +00 00 09.80           ~ 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 2MASS J05480399+0003412 Y*? 05 48 04.0026043227 +00 03 40.924742926           ~ 2 0
204 2MASS J05481188-0021575 Y*? 05 48 11.8843761230 -00 21 57.531114424           ~ 2 0
205 NAME ORI MOL CLOUD MoC 05 56 -01.8           ~ 848 1
206 NAME Cha I MoC 11 06 48 -77 18.0           ~ 968 1
207 NGC 3603 OpC 11 15 18.6 -61 15 26           ~ 940 1
208 NAME Cha Dark Cloud SFR 11 55 -78.0           ~ 556 1
209 NAME Cha II MoC 12 54 -77.2           ~ 296 0
210 NAME Lupus I Cld 15 43 02.1 -34 09 06           ~ 224 0
211 NAME Lup Cloud SFR 16 03 -38.1           ~ 517 0
212 NAME Lupus IV MoC 16 03 12.4 -42 07 43           ~ 125 0
213 NAME Lupus III SFR 16 09.6 -39 03           ~ 271 0
214 ELAIS N1 reg 16 10 01 +54 30.6           ~ 308 0
215 NAME Upper Sco Association As* 16 12 -23.4           ~ 1021 1
216 NAME Lupus V MoC 16 21 -37.5           ~ 53 0
217 NAME Lupus VI Cld 16 25 -40.3           ~ 40 1
218 * rho Oph ** 16 25 35.11766 -23 26 49.8150 4.30 4.85 4.63 4.27 3.96 B2IV+B2V 608 2
219 NAME Serpens Cloud SFR 18 29 49 +01 14.8           ~ 912 2
220 IC 1396 OpC 21 39 00 +57 29.4           ~ 445 1
221 NAME Gould Belt PoG ~ ~           ~ 711 1

    Equat.    Gal    SGal    Ecl

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2020.07.04-14:37:12

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