2008AJ....135.2496C

Query : 2008AJ....135.2496C

2008AJ....135.2496C - Astron. J., 135, 2496-2525 (2008/June-0)

The evolution of the multiplicity of embedded protostars. I. Sample properties and binary detections.

CONNELLEY M.S., REIPURTH B. and TOKUNAGA A.T.

Abstract (from CDS):

We present the observational results of a near-infrared survey of a large sample of Class I protostars designed to determine the Class I binary separation distribution from ∼100 AU to ∼5000 AU. We have selected targets from a new sample of 267 nearby candidate Class I objects. This sample is well understood, consists of mostly Class I young stellar objects (YSOs) within 1 kpc, has targets selected from the whole sky, and is not biased by previous studies of star formation. We have observed 189 Class I YSOs north of δ = -40° at the H, K, and L' bands, with a median angular resolution of 0".33 at L'. We determine our detection limit for close binary companions by observing artificial binaries. We choose a contrast limit and an outer detection limit to minimize contamination and to ensure that a candidate companion is gravitationally bound. Our survey uses observations at the L' rather than the K band for the detection of binary companions since there is less scattered light and better seeing at L'. This paper presents the positions of our targets, the near-IR photometry of sources detected in our fields at L', as well as the observed properties of the 89 detected companions (73 of which are newly discovered). Although we have chosen contrast and separation limits to minimize contamination, we expect that there are about six stars identified as binary companions that are due to contamination. Finder charts at L' for each field are shown to facilitate future studies of these objects.

Abstract Copyright: ∼

Journal keyword(s): binaries: general - infrared: stars - stars: formation - stars: statistics

VizieR on-line data: <Available at CDS (J/AJ/135/2496): table1.dat table4.dat table5.dat table6.dat refs.dat>

Nomenclature: Table 1: [CRT2008] IRAS HHMMm+DDMM W N=40. Fig. 6: [CRT2008] IRAS HHMMm+DDMM W NNa N=258.

Simbad objects: 340

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Number of rows : 340
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 2MASS J00014325+4805189 Y*O 00 01 43.2460939104 +48 05 18.914967708           G7-M4 6 0
2 LDN 1280 DNe 00 19.7 +62 40           ~ 4 0
3 IRAS 00182+6223 * 00 20 56.7818222112 +62 40 20.949950892           ~ 6 0
4 V* VX Cas Ae* 00 31 30.6818495040 +61 58 50.984946300 11.83 11.59 10.50 11.19 10.94 A0Vep 132 0
5 IRAS 00465+5028 * 00 49 25.0 +50 44 45           ~ 17 1
6 LBN 122.71-12.11 MoC 00 49 29 +50 44.6           ~ 28 0
7 NGC 281 HII 00 52 25.1 +56 33 54           ~ 242 1
8 IRAS 01166+6635 IR 01 20 03.7 +66 51 32           ~ 9 0
9 IRAS 02086+7600 pA? 02 13 43.5115849195 +76 15 05.758156994           ~ 11 0
10 LDN 1333 DNe 02 26 04 +75 28.5           ~ 60 0
11 NAME W 3 OH HII 02 27 04.1 +61 52 22           ~ 1026 2
12 IC 1805 OpC 02 32 50.4 +61 28 16           ~ 519 1
13 IRAS 02310+6133 Cld 02 34 48.91 +61 46 43.0           ~ 33 0
14 NAME SFO 12 IR Stellar Group Cl* 02 55 03.0 +60 35 45           ~ 20 0
15 CoKu NGC 1333 Star 1 Y*O 03 25 09.43032 +30 46 21.5796           M2.6 98 0
16 GM 1-55 RNe 03 25 10.5 +30 46 32           ~ 10 0
17 IRAS 03225+3034 IR 03 25 36.49 +30 45 22.2           ~ 159 1
18 LDN 1448NA smm 03 25 36.49 +30 45 22.2           ~ 184 1
19 SSTc2d J032536.4+304522 Y*O 03 25 36.49 +30 45 22.2           ~ 200 1
20 NAME LDN 1455 IRS 1 cor 03 27 39.08 +30 13 03.1           ~ 161 0
21 NAME [BM89] L1450D DNe 03 28 36.8 +31 15 20           ~ 51 0
22 ASR 106 Y*O 03 28 59.30640 +31 15 48.5172           K2.0 56 0
23 IRAS 03260+3111 mul 03 29 10.4 +31 21 59           ~ 16 0
24 NGC 1333 OpC 03 29 11.3 +31 18 36           ~ 1450 1
25 LDN 1450 DNe 03 29.6 +31 20           ~ 61 0
26 IRAS 03271+3013 cor 03 30 15.159 +30 23 49.38           ~ 70 0
27 IRAS 03301+3111 Y*O 03 33 12.8440487256 +31 21 24.139522188           M1.8 65 0
28 Barnard 1 MoC 03 33 16.3 +31 07 51           ~ 324 0
29 2MASS J03331667+3107548 Y*O 03 33 16.68 +31 07 54.9           ~ 125 2
30 NAME Perseus Cloud SFR 03 35.0 +31 13           ~ 1364 0
31 IRAS 03331+6256 PN? 03 37 28.50096 +63 06 31.2912           ~ 8 0
32 NAME [BM89] B5 DNe 03 47 38.3 +32 52 43           ~ 223 0
33 IRAS 03445+3242 Y*O 03 47 41.603 +32 51 43.79           ~ 201 0
34 HH 366 HH 03 47 42.4 +32 51 44           ~ 23 0
35 LDN 1471 DNe 03 48.0 +32 54           ~ 329 0
36 IRAS 03507+3801 Y*O 03 54 06.1900610208 +38 10 42.590684496           F5-K0 17 0
37 LDN 1443 DNe 04 00.4 +40 48           ~ 9 0
38 IRAS 03580+4053 Y*O 04 01 24.55 +41 01 49.0           ~ 9 0
39 HH 360 HH 04 04 43.0 +26 19 00           ~ 7 0
40 IRAS 04016+2610 Y*O 04 04 43.07064 +26 18 56.3904           ~ 259 0
41 LDN 1459 DNe 04 08.4 +39 38           ~ 16 0
42 HH 463 HH 04 10 +38.1           ~ 9 0
43 IRAS 04067+3954 Y*O 04 10 08.41 +40 02 24.4           ~ 13 0
44 PP 13 Em* 04 10 41.09496 +38 07 54.3360           ~ 52 1
45 LDN 1473 DNe 04 11.7 +38 10           ~ 26 0
46 IRAS 04108+2803 mul 04 13 54.9 +28 11 31           ~ 91 1
47 NAME [BM89] L1495 PoC 04 14 08.2 +28 09 31           ~ 170 0
48 IRAS 04113+2758 ** 04 14 26.31 +28 06 04.5           ~ 62 0
49 LDN 1495 DNe 04 18.1 +27 37           ~ 366 1
50 HH 391 HH 04 19 56.3 +27 09 26           ~ 4 1
51 IRAS 04169+2702 Y*O 04 19 58.44936 +27 09 57.0672           K0-M4 117 1
52 HH 392 HH 04 20 54.3 +26 59 52           ~ 3 0
53 IRAS 04181+2655 mul 04 21 10.9 +27 02 06           ~ 53 0
54 IRAS 04181+2654 Y*O 04 21 11.46888 +27 01 09.4044           G0-M3 63 0
55 IRAS 04191+1523 Y*O 04 22 00.43944 +15 30 21.2148           ~ 199 0
56 IRAS 04189+2650 mul 04 22 01.1 +26 57 30           ~ 8 0
57 V* FS Tau Or* 04 22 02.1798627024 +26 57 30.575293308 17.57   14.10 15.63   M3.5e+M0e 281 0
58 LDN 1478 DNe 04 23.3 +37 07           ~ 22 0
59 NAME [BM89] L1400 DNe 04 24 56.1 +55 01 52           ~ 16 0
60 LDN 1400 DNe 04 25.0 +54 57           ~ 22 0
61 2MASS J04253980+3707082 Y*O 04 25 39.804 +37 07 08.25           ~ 11 0
62 IRAS 04239+2436 Y*O 04 26 56.29704 +24 43 35.3280           ~ 155 0
63 V* DG Tau Or* 04 27 04.6921275888 +26 06 16.060169268 13.57 13.97 10.50 12.28   K6Ve 1023 1
64 LDN 1521D DNe 04 27 46.5 +26 18 52           ~ 215 0
65 Barnard 217 DNe 04 27 46.5 +26 17 52           ~ 89 0
66 IRAS 04248+2612 Y*O 04 27 57.3239527944 +26 19 18.033264696           M 154 0
67 LDN 1524 DNe 04 27 57.7 +24 39 18           ~ 83 0
68 NAME Tau-Aur Complex SFR 04 30 +25.0           ~ 1357 0
69 IRAS 04275+3531 Y*O 04 30 48.565 +35 37 53.46           ~ 13 0
70 IRAS 04275+3452 Y*O 04 30 48.6171882264 +34 58 53.485124340           ~ 9 0
71 RAFGL 5123 Y*O 04 31 34.07736 +18 08 04.9020           K3V/M3III 862 0
72 V* HK Tau TT* 04 31 50.5715875272 +24 24 17.775307548 16.81 16.689 15.292     M0.5 340 1
73 Haro 6-13 Or* 04 32 15.4174258632 +24 28 59.577717108 19.22   17.7     M0 214 1
74 IRAS 04295+2251 Y*O 04 32 32.05488 +22 57 26.6724           K0-M4 97 0
75 NAME Kutner's Cloud MoC 04 32 44.6 +24 23 13           ~ 273 0
76 NAME [BM89] TMC-2 PoC 04 32 44.7 +24 25 13           ~ 186 0
77 HH 394 HH 04 33 12.3 +22 55 10           ~ 5 0
78 IRAS 04302+2247 Y*O 04 33 16.50096 +22 53 20.4000           ~ 176 0
79 LDN 1536 DNe 04 33 24.6 +22 43 29           ~ 111 0
80 IRAS 04315+3617 Y*O 04 34 53.22 +36 23 29.2           ~ 5 0
81 LDN 1483 DNe 04 35 19 +36 26.1           ~ 11 0
82 IRAS 04325+2402 Y*O 04 35 35.39160 +24 08 19.4244           ~ 159 0
83 NAME B18-I DNe 04 35 39 +24 09.1           ~ 8 0
84 HH 378 HH 04 36 40.9 +54 38 12           ~ 2 0
85 IRAS 04327+5432 MIR 04 36 45.47376 +54 39 04.1544           ~ 6 0
86 IRAS 04365+2535 Y*O 04 39 35.19360 +25 41 44.7252           ~ 290 0
87 IRAS 04368+2557 Y*O 04 39 53.97816 +26 03 09.6804           ~ 278 0
88 IRAS 0437+257P08 Y*O 04 39 55.7457478224 +25 45 01.941104988           B5 170 1
89 Barnard 14 DNe 04 40.0 +25 44           ~ 3 0
90 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 4415 0
91 IRAS 04381+2540 Y*O 04 41 12.67920 +25 46 35.4216           K0-M2 129 1
92 LDN 1534 DNe 04 41 46 +25 41.4           ~ 45 0
93 LDN 1438 DNe 04 55.9 +51 35           ~ 8 0
94 V* V347 Aur Or* 04 56 57.0215559600 +51 30 50.884005672           M2Ve 42 1
95 IRAS 04591-0856 Y*O 05 01 29.63520 -08 52 16.8744           K4-M3 20 0
96 NGC 1909 RNe 05 02 -07.9           ~ 36 0
97 HH 114 HH 05 17 42.8 +07 15 46           ~ 17 0
98 2MASX J05181754+0710589 Y*O 05 18 17.549 +07 10 58.96           ~ 24 0
99 NGC 1893 OpC 05 22 53.8 +33 26 38           ~ 261 0
100 IRAS 05198+3325 Y*O 05 23 08.244 +33 28 34.01   14.45 15.734 15.442 14.085 B1.5Ve 25 0
101 IRAS 05256+3049 Y*O 05 28 49.86 +30 51 29.3           ~ 5 0
102 HH 58 HH 05 30 51.6 -04 09 31           ~ 14 0
103 IRAS 05289-0430 Y*O 05 31 27.1038134712 -04 27 59.574965436     16.7     ~ 11 0
104 IRAS 05286+1203 Y*O 05 31 27.78552 +12 05 30.9480           ~ 12 0
105 Haro 4-145 Y*O 05 32 43.4178525432 -05 35 57.290459748     16.8     M1.7 49 0
106 IRAS 05311-0631 Y*O 05 33 32.551 -06 29 44.36           M2-M4 32 0
107 RNO 45 ISM 05 34.5 -02 59     17.6     M1 2 0
108 V* V1974 Ori Or* 05 34 31.0878695280 -02 58 02.368578612           K0-M4 15 0
109 [MGR2000a] IRAS 00494+5617 P1 HII 05 35 14.4 -04 55 45           ~ 38 0
110 NAME Ori Trapezium OpC 05 35 16.5 -05 23 14           ~ 1619 1
111 NAME Ori Region reg 05 35 17.30 -05 23 28.0           ~ 579 0
112 IRAS 05340-0603 IR 05 36 28.2 -06 01 18           ~ 9 0
113 Parenago 2649 Ae* 05 38 09.3040171896 -06 49 16.595034888   15.361 13.860 13.438   A5e 68 0
114 NAME LDN 1641 S3 HII 05 39 56.1 -07 30 26           ~ 65 0
115 IRAS 05375-0040 mul 05 40 05.5 -00 38 40           ~ 2 0
116 Haro 5-90 Y*O 05 40 06.7915206744 -00 38 38.115960216     16.1 15.76   G3-K5 13 0
117 IRAS 05378-0750 * 05 40 16.7 -07 48 33           K7 21 0
118 IRAS F05379-0758 mul 05 40 20.5 -07 56 32           ~ 15 0
119 NAME LDN 1641 S4 mul 05 40 48.8 -08 06 51           ~ 43 0
120 IRAS 05391-0841 IR 05 41 30.297 -08 40 16.57           ~ 9 0
121 LDN 1647 DNe 05 42.4 -09 58           ~ 35 0
122 HH 92 HH 05 42 21.1 -01 18 29           ~ 16 0
123 IRAS 05399-0121 Y*O 05 42 27.68 -01 20 01.0           ~ 43 0
124 2MASS J05424706-0817069 Y*O 05 42 47.067 -08 17 06.93           M5 54 0
125 2MASS J05424769-0947222 Y*O 05 42 47.6957901456 -09 47 22.318522692           A5-F3 23 0
126 IRAS 05405-0117 Y*O 05 43 03.05688 -01 16 29.2404           G3-M4 38 0
127 HH 212 HH 05 43 51.41 -01 02 53.1           ~ 391 1
128 IRAS 05413-0104 IR 05 43 51.5 -01 02 52           ~ 81 0
129 JCMTSF J054429.8+090856 DNe 05 44 30 +09 08.8           ~ 22 0
130 LDN 1594 Cld 05 44 29.8 +09 08 54           ~ 79 0
131 HH 175 HH 05 44 47.5 +09 10 12           ~ 3 0
132 IRAS 05427-0116 Y*O 05 45 17.30616 -01 15 27.5688           K0-M3 15 0
133 LDN 1630 DNe 05 45.5 -00 59           ~ 381 0
134 NAME Gal Anticenter reg 05 46 +28.9           ~ 911 0
135 IRAS 05450+0019 Or* 05 47 36.67056 +00 20 06.0360           ~ 32 0
136 IRAS 05510-1018 Y*O 05 53 23.02656 -10 17 32.6148           ~ 5 0
137 V* V1818 Ori Ae* 05 53 42.5559205608 -10 24 00.727634016     13.40     Ae 41 0
138 2MASX J05571320-0935104 G 05 57 13.209 -09 35 10.45           ~ 3 0
139 RNO 58 ISM 05 57.8 -14 07           ~ 2 0
140 2MASS J05574947-1405336 Y*O 05 57 49.4713881960 -14 05 33.602900028       14.18   B5? 19 0
141 IRAS 05555-1405 mul 05 57 49.6 -14 05 42           ~ 18 0
142 IRAS 05564-1329 MIR 05 58 47.21184 -13 29 17.4084           ~ 5 0
143 IRAS 05580-1034 MIR 06 00 24.49080 -10 34 49.5300           ~ 2 0
144 IRAS 05581-1026 MIR 06 00 28.61616 -10 26 31.7004           ~ 3 0
145 IRAS 05582-0950 IR 06 00 35.8 -09 50 35           ~ 4 0
146 RNO 60 ISM 06 00.7 -09 50           ~ 3 0
147 IRAS 05596-0903 IR 06 02 01.7 -09 03 06           ~ 4 0
148 GGD 10 HH 06 02.2 -09 07           ~ 12 0
149 IRAS 05598-0906 Y*O 06 02 16.203 -09 06 28.98           ~ 8 0
150 NGC 2149 RNe 06 03 28.1 -09 43 57           ~ 33 0
151 IRAS 06027-0714 IR 06 05 08.1 -07 14 43           ~ 3 0
152 IRAS 06033-0710 G 06 05 48.2 -07 10 30           ~ 3 0
153 NAME HH 999-IRS Y*O 06 07 08.500 -11 17 51.23           ~ 16 0
154 NAME Mon R2 HII 06 07 47.58 -06 22 42.6           ~ 742 2
155 IRAS 06057-0923 G 06 08 05.1 -09 23 52           ~ 5 1
156 IRAS 06216-1044 MIR 06 24 01.77912 -10 45 53.4960           ~ 2 0
157 LDN 1652 DNe 06 26.4 -10 02           ~ 17 0
158 2MASX J06271729-0955271 G 06 27 17.298 -09 55 27.20           ~ 4 0
159 IRAS 06297+1021 Y*O 06 32 28.7 +10 19 03           ~ 9 0
160 LDN 1610 DNe 06 37 56.7 +10 29 15           ~ 7 0
161 IRAS 06368+0938 Y*O 06 39 34.6287849193 +09 35 21.425947164           ~ 7 0
162 LDN 1613 DNe 06 40.7 +09 27           ~ 11 0
163 IRAS 06381+1039 HII 06 40 58.0 +10 36 49           ~ 21 1
164 IRAS 06382+1017 Y*O 06 41 02.660 +10 15 01.91           ~ 51 0
165 HH 124 HH 06 41 02.68 +10 15 03.6           ~ 26 0
166 IRAS 06382+0939 Y*O 06 41 02.81160 +09 36 16.1712         19.89 ~ 89 0
167 IRAS 06393+0913 Y*O 06 42 08.13 +09 10 30.0           G0-M0 11 0
168 IRAS 07018-1005 Y*O 07 04 13.9257581568 -10 10 13.559113488           ~ 4 0
169 IRAS 07025-1204 Cld 07 04 52.4 -12 09 26           ~ 18 0
170 IRAS 07028-1100 IR 07 05 13.1 -11 04 41           ~ 6 0
171 IRAS 07161-2336 IR 07 18 15.2 -23 41 42           ~ 6 0
172 IRAS 07178-4429 mul 07 19 25.8 -44 35 01           ~ 17 0
173 LDN 1660 DNe 07 20 06.6 -24 02 21           ~ 30 1
174 JCMTSF J072007.9-240226 IR 07 20 08 -24 02.4           ~ 25 0
175 IRAS 07180-2356 Y*O 07 20 08.36 -24 02 23.0           ~ 11 2
176 IRAS 07334-2320 MIR 07 35 34.50840 -23 26 49.6140           ~ 4 0
177 LDN 1666 DNe 07 36 04.4 -24 10 22           ~ 6 0
178 IRAS 07499-3306 IR 07 51 50.8 -33 14 43           ~ 3 0
179 IRAS 07576-3718 IR 07 59 28.6 -37 26 33           ~ 2 0
180 IRAS 08043-3343 IR 08 06 15.6 -33 52 18           ~ 4 0
181 IRAS 08128-4357 IR 08 14 32.4 -44 07 00           ~ 2 0
182 IRAS 08261-5100 MoC 08 27 38.9 -51 10 38           ~ 29 0
183 IRAS 08373-4059 MIR 08 39 11.07120 -41 10 06.2436           ~ 5 0
184 IRAS 08375-4109 HII 08 39 20.4 -41 19 53           ~ 15 0
185 IRAS 08393-4041 MIR 08 41 14.76216 -40 52 11.0784           ~ 15 1
186 IRAS 09049-4650 IR 09 06 39.0 -47 02 12           ~ 1 0
187 IRAS 09099-4526 IR 09 11 47.0 -45 38 48           ~ 2 0
188 CD-45 4931 * 09 11 47.9143713480 -45 38 49.431238116   11.39 11.02     B9V 17 1
189 IRAS 09116-4522 HII 09 13 24.8 -45 34 32           ~ 3 0
190 IRAS 09204-4752 LP? 09 22 12.4851781776 -48 05 03.835492656           ~ 6 0
191 IRAS 09212-4556 MIR 09 22 59.26368 -46 08 52.8108           ~ 2 0
192 IRAS 09343-4522 * 09 36 14.0830440432 -45 36 04.563596628           ~ 2 0
193 NAME Cha IR Nebula TT* 11 08 38.702 -77 43 51.54           M5.5 72 0
194 IRAS 11101-5829 Y*O 11 12 18.19248 -58 46 20.8452           ~ 31 0
195 HH 136 HH 11 12 19.6 -58 46 04           ~ 16 0
196 NAME Chamaeleon Region SFR 11 55 -78.0           ~ 806 0
197 NAME BHR 71 MM HII 12 01 37.1 -65 08 54           ~ 43 0
198 IRAS 12277-6319 IR 12 30 34.5 -63 36 23           ~ 2 0
199 IRAS 12512-6122 IR 12 54 18.1 -61 38 19           ~ 1 0
200 IRAS 12571-7654 IR 13 00 57.5 -77 10 47           ~ 6 0
201 Sz 58 Em* 13 06 57.4252298184 -77 23 41.593041672   17.89 16.01     K5 32 0
202 PSCz Q13036-7644 Y*O 13 07 36.89 -77 00 09.7           ~ 39 1
203 IRAS 13050-6154 of? 13 08 12.15432 -62 10 22.8000           ~ 11 1
204 IRAS 13054-6159 HII 13 08 34.8 -62 15 07           ~ 7 0
205 IRAS 13224-5928 IR 13 25 44.64 -59 43 50.9           ~ 11 0
206 IRAS 13294-6011 GNe 13 32 43.4 -60 26 46           ~ 8 0
207 CD-39 8581 ** 13 57 44.11656 -39 58 44.1660           B4+B7 51 0
208 IRAS 14159-6111 HII 14 19 42.1 -61 25 17           ~ 10 1
209 HD 130079 * 14 49 16.5251778720 -65 15 18.564420600   10.82 10.53     B9V 24 1
210 IRAS 14563-6301 IR 15 00 25.0 -63 13 36           ~ 8 0
211 HH 77 Em* 15 00 49.0 -63 07 46           ~ 21 1
212 HH 139 HH 15 00 58.3 -63 16 51           ~ 7 0
213 IRAS 14568-6304 Em* 15 00 58.4 -63 16 51           ~ 10 0
214 IRAS 15107-5800 HII 15 14 40.9 -58 11 45           ~ 5 0
215 IRAS 15115-6231 Em* 15 15 40.7 -62 42 56           ~ 4 0
216 IRAS 15215-6056 IR 15 25 38.1 -61 06 51           ~ 7 0
217 Barnard 228 cor 15 43 00.9 -34 08 48           ~ 68 0
218 HH 185 HH 15 43 01.311 -34 09 14.81           ~ 12 0
219 Lupus 1 Cld 15 43 02.1 -34 09 06           ~ 286 0
220 IRAS 15398-3359 Y*? 15 43 02.21016 -34 09 07.7112       18.38 21.72 ~ 174 0
221 CD-33 10685 Or* 15 45 12.8678037432 -34 17 30.644403036 12.47 11.56 10.224 9.60 8.685 K3Ve 272 1
222 IRAS 15420-4553 * 15 45 37.0195098000 -46 02 30.935777532           ~ 1 0
223 GSS 35 TT* 16 26 34.1761719864 -24 23 28.283473860     16.53 14.75 12.51 B3 236 1
224 LDN 1681 DNe 16 27 05.4 -24 37 24           ~ 22 0
225 IRAS 16240-2430 mul 16 27 05.4 -24 37 24           ~ 22 0
226 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3629 1
227 NAME rho Oph South IR 16 31 56.0 -24 56 28           ~ 28 0
228 LDN 1689 DNe 16 32 22.5 -24 28 29           ~ 137 0
229 IRAS 16293-2422 cor 16 32 22.56 -24 28 31.8           ~ 1252 1
230 IRAS 16289-4449 Or* 16 32 32.19264 -44 55 30.6552       15.95   ~ 137 1
231 IRAS 16295-4452 Y*? 16 33 07.73 -44 58 24.7           ~ 9 0
232 LDN 43 DNe 16 34 29.3 -15 47 11           ~ 142 1
233 HBC 650 TT* 16 34 29.32 -15 47 01.4           K3.0 177 2
234 LDN 260 DNe 16 46 58.2 -09 36 20           ~ 43 0
235 2MASS J16465826-0935197 Y*O 16 46 58.2599324664 -09 35 20.090942592   19.6 17.4     ~ 35 0
236 IRAS 16544-1604 Y*O 16 57 19.626 -16 09 23.30           ~ 35 1
237 IRAS 17364-1946 IR 17 39 23.5 -19 47 51           ~ 10 0
238 LDN 219 DNe 17 39.5 -19 47           ~ 17 0
239 IRAS 17369-1945 IR 17 39 56.0 -19 46 36           ~ 6 0
240 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 14407 0
241 2MASX J17465090-0434329 G 17 46 50.903 -04 34 32.93           ~ 5 0
242 LDN 425 DNe 17 46.9 -04 41           ~ 6 0
243 IRAS 18148-0440 Y*O 18 17 29.94 -04 39 39.3           ~ 92 0
244 EM* MWC 297 Ae* 18 27 39.5265500160 -03 49 52.133050776 15.57 14.34 12.31 11.34   B1.5Ve 297 0
245 IRAS 18264-0143 Y*O 18 29 05.280 -01 41 56.62           ~ 13 0
246 IRAS 18270-0153 mul 18 29 36.9 -01 51 02           ~ 12 0
247 NAME Serpens Cloud SFR 18 29 49 +01 14.8           ~ 1100 2
248 IRAS 18273+0034 cor 18 29 53.06 +00 36 06.4           ~ 24 0
249 2MASS J18300136-0210256 Y*O 18 30 01.362 -02 10 25.63           ~ 15 0
250 IRAS 18275+0040 Y*O 18 30 06.1720554216 +00 42 33.552210636   17.27 15.55 13.34   F3Ve 25 0
251 IRAS 18278-0212 IR 18 30 28.0 -02 10 48           ~ 9 0
252 IRAS 18318-0434 IR 18 34 32.7 -04 31 46           ~ 3 0
253 HH 109 HH 18 35 39.0 -00 34 20           ~ 10 0
254 IRAS 18331-0035 IR 18 35 42.135 -00 33 18.30           ~ 24 0
255 LDN 588 DNe 18 35 55 -00 30.2           ~ 16 0
256 IRAS 18339-0224 IR 18 36 34.7 -02 21 49           ~ 5 0
257 IRAS 18340-0116 IR 18 36 38.0 -01 13 34           ~ 3 0
258 IRAS 18341-0113 IR 18 36 45.7 -01 10 29           ~ 6 0
259 LDN 564 DNe 18 37.6 -01 12           ~ 4 0
260 IRAS 18358-0112 IR 18 38 25.9 -01 09 51           ~ 4 0
261 IRAS 18383+0059 IR 18 40 51.7 +01 02 09           ~ 6 0
262 IRAS 18527+0203 MIR 18 55 16.76640 +02 07 52.4496           ~ 3 0
263 IRAS 18558+0041 HII 18 58 24.3 +00 45 35           ~ 5 0
264 IRAS 18561+0032 Cld 18 58 40.9 +00 36 49           ~ 2 0
265 V* S CrA Or* 19 01 08.597088 -36 57 19.89504   11.76 10.91 11.41   G0Ve+K0Ve 270 0
266 V* TY CrA Ae* 19 01 40.8284458320 -36 52 33.816176040 10.03 9.92 9.39     B9e 285 0
267 V* R CrA Ae* 19 01 53.6764322232 -36 57 08.299341828 12.781 12.651 11.917 11.242 10.412 B5IIIpe 478 1
268 IRAS 18585-3701 mul 19 01 55.3 -36 57 12           ~ 4 0
269 IRAS 18595-3712 Y*O 19 02 58.706 -37 07 34.67           ~ 49 0
270 IRAS 19247+2238 PN? 19 26 51.33216 +22 45 13.4496           ~ 3 0
271 Parsamian 21 Or* 19 29 00.8740757136 +09 38 42.862226208   15.18 14.07 13.93   F5Iabe 91 0
272 IRAS 19411+2306 cor 19 43 17.9613824400 +23 14 01.619818008           ~ 45 0
273 * bet01 Cap SB* 20 21 00.6665981712 -14 46 53.067367488 4.14 3.87 3.08 2.53 2.03 G9II:+B8p:Si: 181 0
274 * bet Cap ** 20 21 00.67 -14 46 53.0           ~ 166 0
275 IRAS 20353+6742 Y*O 20 35 46.325 +67 53 02.00           ~ 37 0
276 LDN 1152 DNe 20 35 50.2 +67 54 22           ~ 73 0
277 LDN 1100 Y*O 20 36 22.86 +63 53 40.4           ~ 32 0
278 HH 376 HH 20 36 55.2666511944 +67 59 27.724551504           ~ 5 0
279 IRAS 20361+5733 IR 20 37 20.6 +57 44 13           ~ 5 1
280 LDN 1041 DNe 20 38.2 +57 31           ~ 8 0
281 LDN 1036 Y*O 20 38 57.48 +57 09 37.6           ~ 27 0
282 NAME LDN 1157-mm Y*O 20 39 06.2 +68 02 15           ~ 189 0
283 LDN 1158 DNe 20 44.5 +67 41           ~ 35 0
284 IRAS 20436+5849 IR 20 44 49.2 +59 00 18           ~ 7 0
285 V* PV Cep Or* 20 45 53.9540390184 +67 57 38.679941304   19.27 17.46 15.98 14.60 A5 269 3
286 HH 199 HH 20 54 50.2 +77 32 18           ~ 24 0
287 LDN 1002 DNe 20 56.5 +52 42           ~ 5 0
288 IRAS 20582+7724 Y*O 20 57 12.9250225656 +77 35 43.656301932           ~ 117 0
289 LDN 1228 DNe 20 57 13 +77 35.8           ~ 128 0
290 V* V2494 Cyg Or* 20 58 21.0933404928 +52 29 27.683055312           ~ 45 0
291 RNO 129 Y*O 20 59 14.08512 +78 23 04.0020       15.30   G:e 47 1
292 IRAS 21017+6742 Y*O 21 02 21.23 +67 54 20.2           ~ 33 1
293 IRAS 21007+4951 mul 21 02 22.9 +50 03 06           ~ 26 0
294 LDN 1172 DNe 21 02 27.7 +67 54 08           ~ 57 0
295 IRAS 21025+6801 Y*O 21 03 12.1 +68 13 01           ~ 8 0
296 LDN 1172B DNe 21 03 31.9 +68 11 59           ~ 11 0
297 EM* LkHA 324 Ae* 21 03 54.2279744856 +50 15 09.993001896   13.79 12.61 11.89 11.14 B9Ve 66 0
298 IRAS 21023+5002 mul 21 03 57.6 +50 14 38           ~ 55 0
299 IRAS 21025+5221 Y*? 21 04 07.128 +52 33 49.56           ~ 6 0
300 LDN 988 DNe 21 08 41.6 +48 57 12           ~ 31 0
301 LDN 1177 DNe 21 17 38.62 +68 17 34.0           ~ 88 1
302 TGU H534 P2 DNe 21 37 11.3100 +43 20 36.260           ~ 28 0
303 IRAS 21352+4307 Y*O 21 37 11.39 +43 20 38.4           ~ 19 1
304 2MASS J21402898+5635556 Y*O 21 40 28.98456 +56 35 55.6548           ~ 20 0
305 [G85] 12 CGb 21 40 29.5 +56 35 33           ~ 63 0
306 [BGE2002] BIMA 2 Y*O 21 40 42.36 +58 16 09.7           ~ 119 0
307 NAME IC 1396 North CGb 21 40 42.6537 +58 16 01.882           ~ 189 1
308 EM* LkHA 234 Ae* 21 43 06.8218113480 +66 06 54.202272804 13.65 13.61 12.73 11.98 11.20 B5Ve 286 0
309 NAME HH 379 IRS Y*O 21 45 10.5 +47 33 21           ~ 22 0
310 IRAS 21445+5712 Y*O 21 46 07.1269843296 +57 26 31.628449824           ~ 49 0
311 V* V1735 Cyg Or* 21 47 20.6628414360 +47 32 03.857457372           ~ 160 0
312 LDN 1031B DNe 21 47 25.7 +47 32 09           ~ 22 0
313 IRAS 21461+4722 Y*? 21 47 59.24 +47 36 26.7           ~ 13 0
314 GLMP 1049 Y*O 21 58 35.90 +58 57 22.8           ~ 13 0
315 LDN 1143 DNe 21 58 43 +58 57.6           ~ 13 0
316 GN 22.05.1 Y*O 22 06 50.449 +59 02 45.65           ~ 48 0
317 LDN 1165 DNe 22 06 50.7 +59 02 47           ~ 41 0
318 SH 2-140 OpC 22 19 07.8 +63 17 07           ~ 658 2
319 IRAS 22176+6303 Y*O 22 19 18.23 +63 18 47.5           ~ 595 0
320 HH 363 HH 22 27 46.78 +69 00 38.0           ~ 8 0
321 LDN 1221 DNe 22 28 02.9 +69 01 13           ~ 50 0
322 IRAS 22266+6845 Y*O 22 28 02.99 +69 01 16.7           G0-M4 22 0
323 LDN 1203 DNe 22 28 29.3 +62 59 44           ~ 16 0
324 IRAS 22267+6244 HII 22 28 29.3 +62 59 44           ~ 28 0
325 LDN 1206 DNe 22 28 52.2 +64 13 43           ~ 66 0
326 IRAS 22272+6358A Cld 22 28 52.2 +64 13 43           ~ 51 0
327 IRAS 22272+6358B Y*O 22 28 57.6117277392 +64 13 37.473659616           A0-G3 9 0
328 EM* LkHA 233 Ae* 22 34 40.9923134958 +40 40 04.251892858   14.5       A7Ve 146 0
329 HH 189 HH 22 38 39.9 +75 10 41           ~ 9 0
330 IRAS 22376+7455 TT* 22 38 42.5032929744 +75 11 45.489819660   17.65 16.10 14.90 13.62 ~ 49 0
331 IRAS 22451+6154 * 22 47 02.1 +62 10 11           B 20 0
332 LDN 1211 DNe 22 47 39 +62 01.3           ~ 37 0
333 BD+57 2615 Be* 22 47 49.5706150416 +58 08 49.516370232   10.44 10.14     B1-3Ve 69 0
334 IRAS 22517+6215 HII 22 53 40.5 +62 31 59           ~ 15 0
335 IRAS 23037+6213 mul 23 05 48.942 +62 30 01.91           ~ 30 0
336 2MASS J23054976+6230011 Y*O 23 05 49.7402890584 +62 30 01.173557016           A0-F4 30 0
337 NAME Cep C SFR 23 05 50.0 +62 30 01           ~ 35 0
338 LDN 1240 DNe 23 11.0 +66 26           ~ 5 0
339 PSCz Q23238+7401 Y*O 23 25 46.65 +74 17 37.2           ~ 58 1
340 HH 909 HH ~ ~           ~ 3 0

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