2012A&A...547A..15N


C.D.S. - SIMBAD4 rel 1.7 - 2019.07.19CEST15:08:54

2012A&A...547A..15N - Astronomy and Astrophysics, volume 547A, 15-15 (2012/11-1)

Red supergiants around the obscured open cluster Stephenson 2.

NEGUERUELA I., MARCO A., GONZALEZ-FERNANDEZ C., JIMENEZ-ESTEBAN F., CLARK J.S., GARCIA M. and SOLANO E.

Abstract (from CDS):

Several clusters of red supergiants have been discovered in a small region of the Milky Way close to the base of the Scutum-Crux Arm and the tip of the Long Bar. Population synthesis models indicate that they must be very massive to harbour so many supergiants. Amongst these clusters, Stephenson 2, with a core grouping of 26 red supergiants, is a strong candidate to be the most massive young cluster in the Galaxy. Stephenson 2 is located close to a region where a strong over-density of red supergiants had been found. We explore the actual cluster size and its possible connection to this over-density. Taking advantage of Virtual Observatory tools, we have performed a cross-match between the DENIS, USNO-B1 and 2MASS catalogues to identify candidate obscured luminous red stars around Stephenson 2, and in a control nearby region. More than 600 infrared bright stars fulfill our colour criteria, with the vast majority having a counterpart in the I band and >400 being sufficiently bright in I to allow observation with a 4-m class telescope. We observed a subsample of ∼250 stars, using the multi-object, wide-field, fibre spectrograph AF2 on the WHT telescope in La Palma, obtaining intermediate-resolution spectroscopy in the 7500-9000Å range. We derived spectral types and luminosity classes for all these objects and measured their radial velocities. Our targets turned out to be G and K supergiants, late (≥M4) M giants, and M-type bright giants (luminosity class II) and supergiants. We found ∼35 red supergiants with radial velocities similar to Stephenson 2 members, spread over the two areas surveyed. In addition, we found ∼40 red supergiants with radial velocities incompatible in principle with a physical association. Our results show that Stephenson 2 is not an isolated cluster, but part of a huge structure likely containing hundreds of red supergiants, with radial velocities compatible with the terminal velocity at this Galactic longitude (and a distance ∼6 kpc). In addition, we found evidence of several populations of massive stars at different distances along this line of sight.

Abstract Copyright:

Journal keyword(s): stars: evolution - supergiants - open clusters and associations: individual: Stephenson 2 - Galaxy: structure - observatory tools virtual

VizieR on-line data: <Available at CDS (J/A+A/547/A15): table2.dat table3.dat>

Simbad objects: 294

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Number of rows : 294

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2019
#notes
1 ESO 28-16 Cl* 00 22 40 -75 04.5   15.7       ~ 23 0
2 V* V589 Cas s*r 01 46 05.4812080961 +60 59 36.677380361   11.2 8.886     M3Iab-Ib 26 0
3 Ass Per OB 1 As* 02 21 +57.6           ~ 157 1
4 V* RS Per s*r 02 22 24.2951350259 +57 06 34.100118658 12.37 10.09 8.7680     M3.5IabFe-1 119 0
5 V* S Per s*r 02 22 51.7103845023 +58 35 11.454759954 13.22 10.55 7.90     M4.5-7Iae 348 0
6 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 5300 1
7 RMC 136 Cl* 05 38 42.396 -69 06 03.36   9.63 9.50     ~ 1661 2
8 NAME Crux-Scutum Spiral Arm reg 12 30 -60.0           ~ 261 0
9 M 51 GiP 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 3658 4
10 PK 309+06 1 ? 13 38 57 -56 07.0           ~ 14 2
11 NAME Gal Center reg 17 45 40.04 -29 00 28.1           ~ 10856 0
12 V* VX Sgr s*r 18 08 04.0431479808 -22 13 26.629744195 11.72 9.41 6.52 3.90 2.11 M8.5Ia 534 0
13 Cl Alicante 8 OpC 18 34 51.0 -07 14 00           ~ 20 0
14 NGC 6664 OpC 18 36 37 -07 48.8   8.81 7.8     ~ 98 0
15 2MASS J18365544-0643364 * 18 36 55.4308474017 -06 43 37.012486717           K4II 1 0
16 [KC97c] G026.4+00.6 HII 18 37 21.0 -05 29 59           ~ 4 0
17 2MASS J18372648-0628397 * 18 37 26.4756476266 -06 28 39.526252164           M1Ib 1 0
18 2MASS J18372699-0628444 * 18 37 26.9829401873 -06 28 44.316786751           M6-7II 1 0
19 [WBH2005] G025.765+0.211 HII 18 37 33.6 -06 16 40           ~ 9 1
20 RSGC 1 OpC 18 37 58 -06 53.0           ~ 83 0
21 HRDS G025.469-00.121 HII 18 38 11.8 -06 41 36           ~ 3 0
22 HRDS G026.261+00.280 HII 18 38 14.2 -05 48 25           ~ 2 0
23 GAL 026.54+00.42 HII 18 38 16 -05 29.8           ~ 8 0
24 2MASS J18382013-0543434 s*r 18 38 20.1252735121 -05 43 43.654657983           M1.5Iab 1 0
25 2MASS J18382442-0522521 * 18 38 24.4265028938 -05 22 52.125978961           M3.5II-III 1 0
26 2MASS J18383438-0527029 * 18 38 34.3895370308 -05 27 02.899992103           M7III 1 0
27 2MASS J18383565-0603043 * 18 38 35.6546891929 -06 03 03.966513047           M3.5III 1 0
28 2MASS J18384011-0547537 * 18 38 40.1089190362 -05 47 53.837731464           M7II 1 0
29 2MASS J18384958-0557222 * 18 38 49.5738405237 -05 57 22.216529722           M7III 1 0
30 2MASS J18385040-0549183 * 18 38 50.3994672465 -05 49 18.411832002           M6III 1 0
31 Cl* Stephenson 2 DFK 12 * 18 38 51.4176242698 -06 00 22.897273105           M7II-III 2 0
32 2MASS J18385268-0544207 * 18 38 52.6863056598 -05 44 20.709408706           M1.5Ib-II 1 0
33 Cl* Stephenson 2 DFK 38 * 18 38 53.3458581474 -05 57 44.176140796           M4.5II 2 0
34 2MASS J18385562-0553543 * 18 38 55.6164170749 -05 53 54.161968286           M4II 1 0
35 2MASS J18385809-0554581 * 18 38 58.0752230449 -05 54 57.933665169           M1.5II 1 0
36 2MASS J18385912-0526162 * 18 38 59.128 -05 26 16.29           M7II-III 1 0
37 2MASS J18390034-0529144 * 18 39 00.3494862485 -05 29 14.433398285           K4Ib-II 1 0
38 Cl* Stephenson 2 DFK 23 sg* 18 39 01.4761585736 -06 00 59.775921147           M4I 4 0
39 2MASS J18390238-0605106 sg* 18 39 02.3709099153 -06 05 10.535778038           ~ 8 0
40 2MASS J18390349-0546386 * 18 39 03.493 -05 46 38.67           B5Ib 1 0
41 MSX6C G026.1215-00.0345 sg* 18 39 05.586 -06 04 26.58           K4I 6 0
42 2MASS J18390701-0605043 s*r 18 39 07.016 -06 05 04.36           M1Ia 2 0
43 2MASS J18390776-0603203 sg* 18 39 07.7465709019 -06 03 20.209419438           M5I 5 0
44 2MASS J18390805-0605244 sg* 18 39 08.0430602107 -06 05 24.185408590           M4I 6 0
45 2MASS J18390997-0529482 * 18 39 09.9686205947 -05 29 48.125496180           M4Ib-II 1 0
46 2MASS J18391468-0521034 * 18 39 14.6676644111 -05 21 03.285726168           M7.5III 1 0
47 Cl* Stephenson 2 DFK 17 sg* 18 39 15.0508700859 -06 05 19.207376922           K3I 4 0
48 Cl* Stephenson 2 DFK 28 s*y 18 39 16.3574509480 -06 03 15.006535437           G5Iab 2 0
49 GAL 026.10-00.07 HII 18 39 17 -06 06.0           ~ 11 0
50 2MASS J18391789-0540368 * 18 39 17.892 -05 40 36.88           M8III 1 0
51 2MASS J18391838-0600383 s*r 18 39 18.3808915314 -06 00 38.332145707     19.70     M5I 7 0
52 2MASS J18391952-0559194 s*r 18 39 19.5137210079 -05 59 19.498669662     19.70     M3I 6 0
53 IRC -10447 s*r 18 39 19.6096079321 -06 00 40.761206101           M3I 17 0
54 Cl Stephenson 2 OpC 18 39 20 -06 01.7           ~ 79 0
55 2MASS J18392045-0521367 * 18 39 20.4460689389 -05 21 36.629225143           M6II-III 1 0
56 HRDS G026.317-00.012 HII 18 39 22 -05 53.4           ~ 3 0
57 2MASS J18392241-0601500 s*r 18 39 22.4007118024 -06 01 50.114933939         13.06 M2I 7 0
58 2MASS J18392253-0600084 s*r 18 39 22.5362446054 -06 00 08.423561244         12.88 M4I 8 0
59 2MASS J18392506-0610036 * 18 39 25.0596680607 -06 10 03.491943423           M3II-III 1 0
60 2MASS J18392533-0526088 * 18 39 25.3328080672 -05 26 08.782068137           M2Ib-II 1 0
61 HRDS G026.721+00.170 HII 18 39 28 -05 26.9           ~ 3 0
62 2MASS J18392947-0557165 sg* 18 39 29.4663892149 -05 57 16.691734410           ~ 3 0
63 2MASS J18392955-0544222 * 18 39 29.5477237538 -05 44 22.204951305           K7Ib 1 0
64 2MASS J18392977-0553032 s*r 18 39 29.7761798329 -05 53 03.247804386           M3.5Iab 2 0
65 2MASS J18393077-0551103 s*r 18 39 30.7788956229 -05 51 10.313108109           M1Iab 1 0
66 2MASS J18393145-0537096 * 18 39 31.457 -05 37 09.69           M7III 1 0
67 2MASS J18393176-0515249 * 18 39 31.7626982482 -05 15 24.826131459           M4II 1 0
68 2MASS J18393278-0553135 * 18 39 32.7874287087 -05 53 13.617127665           M7.5III 1 0
69 2MASS J18393306-0549269 * 18 39 33.0669247800 -05 49 26.776561237           M4.5II 1 0
70 2MASS J18393324-0529435 * 18 39 33.245 -05 29 43.52           M7.5III 1 0
71 IRAS 18368-0532 IR 18 39 34.0 -05 30 10           ~ 1 0
72 2MASS J18393436-0534542 * 18 39 34.3680444878 -05 34 54.028422864           M4Ib-II 1 0
73 Cl* Stephenson 2 DFK 26 sg* 18 39 35.0787553689 -05 59 15.929666193           M3I 3 0
74 2MASS J18393514-0514225 * 18 39 35.1345783874 -05 14 22.311210717           M7.5II-III 1 0
75 2MASS J18393544-0548186 s*r 18 39 35.4432152172 -05 48 18.572993479           K7Iab 1 0
76 2MASS J18393582-0543104 * 18 39 35.822 -05 43 10.44           M7.5III 1 0
77 2MASS J18393640-0535362 * 18 39 36.41 -05 35 36.2           M6III 2 0
78 2MASS J18393774-0556183 s*r 18 39 37.7402782609 -05 56 18.381088485           M0Ia 1 0
79 IRAS 18369-0604 * 18 39 38.8560906586 -06 02 14.491243014           M7.5II 3 0
80 2MASS J18394024-0553492 * 18 39 40.2455172858 -05 53 49.320010884           M0Iab-Ib 1 0
81 2MASS J18394148-0535113 * 18 39 41.4853603385 -05 35 11.133345667           M1Ib 1 0
82 2MASS J18394347-0600520 * 18 39 43.4695622713 -06 00 52.088163007           M7III 1 0
83 2MASS J18394562-0544057 * 18 39 45.6208708880 -05 44 05.616669275           M4.5Ib 1 0
84 StRS 239 sg* 18 39 46.3397800532 -05 59 47.382428831           M4-5Ib 5 0
85 HRDS G026.644+00.020 HII 18 39 51.7 -05 35 04           ~ 2 0
86 2MASS J18395177-0549409 * 18 39 51.7726656030 -05 49 40.871797246           M5II-III 1 0
87 2MASS J18395234-0537259 s*r 18 39 52.3415696198 -05 37 25.708128860           M2Iab 1 0
88 2MASS J18395282-0535172 * 18 39 52.8289702379 -05 35 17.101796360           M8I-II 1 0
89 2MASS J18395362-0517250 * 18 39 53.6247368703 -05 17 25.068808661           M7.5III 1 0
90 [ABJ2009] U26.60-0.02 c MoC 18 39 55 -05 38.5           ~ 2 0
91 [ABJ2009] U26.60-0.02 a MoC 18 39 55 -05 38.5           ~ 4 0
92 [AAJ2015] G026.594-00.026 HII 18 39 55.9 -05 38 45           ~ 31 1
93 2MASS J18395686-0603482 * 18 39 56.8710430997 -06 03 48.171674608           G8Ib 1 0
94 2MASS J18395861-0549549 s*y 18 39 58.6140713584 -05 49 54.947525750           G5Ia 1 1
95 2MASS J18395880-0543358 * 18 39 58.8026642293 -05 43 35.759618459           M7III 1 0
96 2MASS J18395914-0604253 * 18 39 59.1443026819 -06 04 25.377857080           M4.5III 1 0
97 2MASS J18400367-0536475 * 18 40 03.674 -05 36 47.55           M2II 1 0
98 2MASS J18400438-0555443 s*r 18 40 04.3824887302 -05 55 44.622554566           M6-7I 1 0
99 2MASS J18400454-0527045 s*r 18 40 04.5431522122 -05 27 04.611720164           M1.5Ia 1 0
100 2MASS J18400705-0525346 * 18 40 07.0431510515 -05 25 34.539490683           M4Ib 1 0
101 2MASS J18400921-0545201 s*r 18 40 09.2040988309 -05 45 20.101696671           M7.5I 1 0
102 2MASS J18401012-0543090 * 18 40 10.1262327156 -05 43 09.206189925           M7.5III 1 0
103 2MASS J18401024-0608164 * 18 40 10.2533861883 -06 08 16.639480380           M4.5II 1 0
104 2MASS J18401078-0523378 * 18 40 10.7783792507 -05 23 37.733042689           M3.5II 1 0
105 2MASS J18401126-0545596 * 18 40 11.2582978239 -05 45 59.664298238           M7I-II 1 0
106 2MASS J18401344-0548526 * 18 40 13.4379687348 -05 48 52.710817540           M7II 1 0
107 [KC97c] G026.6-00.1 HII 18 40 13.8 -05 40 54           ~ 3 0
108 2MASS J18401468-0527157 * 18 40 14.6872747063 -05 27 15.810780036           M5III 1 0
109 2MASS J18401529-0541427 * 18 40 15.2931582024 -05 41 42.798633501           M5II 1 0
110 2MASS J18401637-0602198 * 18 40 16.3781893258 -06 02 19.807346106           M7.5II-III 1 0
111 2MASS J18401720-0528017 s*r 18 40 17.2082976072 -05 28 01.843173227           M7I 1 0
112 2MASS J18401758-0527219 * 18 40 17.5902923842 -05 27 21.995506687           M3.5Ib 1 0
113 2MASS J18401918-0539041 * 18 40 19.1893674604 -05 39 04.227998643           M6II 1 0
114 2MASS J18401922-0540451 * 18 40 19.2313397907 -05 40 45.120699288           M6-7I-II 1 0
115 2MASS J18402166-0600552 * 18 40 21.6641843717 -06 00 55.293952139           M7.5III 1 0
116 2MASS J18402225-0516024 s*r 18 40 22.2526342050 -05 16 02.347977012           M2Ia 1 0
117 2MASS J18402277-0521377 s*r 18 40 22.7771314208 -05 21 37.563618188           M0Ia 1 0
118 2MASS J18402282-0529013 * 18 40 22.8322565039 -05 29 01.397909580           M7.5III 1 0
119 2MASS J18402505-0544195 * 18 40 25.058 -05 44 19.59           M7.5III 1 0
120 2MASS J18402741-0556336 * 18 40 27.4191780293 -05 56 33.782298239           M3II 1 0
121 2MASS J18402744-0556176 * 18 40 27.4386966680 -05 56 17.908352140           M2Ib-II 1 0
122 2MASS J18402838-0602104 * 18 40 28.3805751047 -06 02 10.491644544           M8III 1 0
123 2MASS J18402969-0546359 * 18 40 29.6933081118 -05 46 36.079212901           M7.5I-II 1 0
124 2MASS J18403055-0551110 * 18 40 30.552 -05 51 11.07           M8III 1 0
125 2MASS J18403161-0542084 * 18 40 31.6074769687 -05 42 08.481310196           M7I-II 1 0
126 2MASS J18403179-0529522 * 18 40 31.7955693432 -05 29 52.124248212           M7II-III 1 0
127 2MASS J18403182-0544476 s*r 18 40 31.826 -05 44 47.65           M6I 1 0
128 2MASS J18403215-0535570 * 18 40 32.1525224272 -05 35 57.052506986           M7I-II 1 0
129 2MASS J18403226-0611584 * 18 40 32.261 -06 11 58.45           M7III 1 0
130 2MASS J18403369-0538499 * 18 40 33.6856418433 -05 38 49.846633471           M7.5III 1 0
131 HRDS G026.610-00.212 HII 18 40 37 -05 43.2           ~ 3 0
132 2MASS J18403831-0548026 * 18 40 38.3081313560 -05 48 02.685806121           M7.5II-III 1 0
133 2MASS J18403857-0555141 * 18 40 38.576 -05 55 14.13           M6III 1 0
134 2MASS J18403943-0516043 * 18 40 39.4318863660 -05 16 04.344121431           M4.5III 1 0
135 2MASS J18404170-0534094 * 18 40 41.700 -05 34 09.49           K3Ib 1 0
136 2MASS J18404219-0608257 * 18 40 42.1966280934 -06 08 25.924339452           M7III 1 0
137 2MASS J18404322-0549582 * 18 40 43.222 -05 49 58.24           M7III 1 0
138 2MASS J18404461-0558512 * 18 40 44.6100087768 -05 58 51.330519739           M3III 1 0
139 2MASS J18404668-0604149 * 18 40 46.6882946727 -06 04 15.065446501           M7.5III 1 0
140 2MASS J18404934-0549524 s*r 18 40 49.3466161146 -05 49 52.485120281           M1.5Ia 1 0
141 2MASS J18404955-0521543 s*r 18 40 49.5502906172 -05 21 54.310139583           M2Iab 1 0
142 2MASS J18405021-0552520 * 18 40 50.2086925416 -05 52 52.167295496           M5Ib-II 1 0
143 2MASS J18405034-0536516 * 18 40 50.342 -05 36 51.62           M7.5III 1 0
144 [KC97c] G026.6-00.3 HII 18 40 52 -05 48.8           ~ 4 0
145 2MASS J18405164-0526522 s*r 18 40 51.6454146949 -05 26 52.176780703           M2Ia 1 0
146 2MASS J18405351-0517488 s*r 18 40 53.5104193921 -05 17 48.821827070           K7Iab 1 0
147 2MASS J18405360-0525004 s*r 18 40 53.6080637821 -05 25 00.524735991           M3Iab 2 0
148 2MASS J18405399-0538596 * 18 40 53.9914189158 -05 38 59.581722348           M7.5II 1 0
149 2MASS J18405494-0543562 * 18 40 54.9450869389 -05 43 56.179964889           M2II 1 0
150 2MASS J18405777-0610229 * 18 40 57.7678861604 -06 10 23.115681121           M4II 1 0
151 2MASS J18405889-0600283 * 18 40 58.899 -06 00 28.31           M7.5III 1 0
152 2MASS J18410210-0533093 * 18 41 02.109 -05 33 09.34           M7III 1 0
153 2MASS J18410255-0540288 * 18 41 02.5590979558 -05 40 28.802660313           M4.5II 1 0
154 2MASS J18410261-0552582 s*r 18 41 02.6174986786 -05 52 58.331155491           M6-7I 1 0
155 2MASS J18410374-0543105 * 18 41 03.7378960447 -05 43 10.414539800           M6III 1 0
156 2MASS J18410459-0528435 * 18 41 04.6009389501 -05 28 43.648565373           M7I-II 1 0
157 2MASS J18410523-0525076 * 18 41 05.2314782887 -05 25 07.513481496           K2Ib 1 0
158 2MASS J18410731-0546538 * 18 41 07.311 -05 46 53.82           M7.5II-III 1 0
159 2MASS J18410764-0535045 * 18 41 07.6501623325 -05 35 04.461854176           M6-7II 1 0
160 USNO-A2.0 0825-12607174 * 18 41 07.9082151892 -06 05 26.196748652           M7.5III 2 0
161 2MASS J18410851-0555046 * 18 41 08.4993271341 -05 55 04.595815430           M4.5II 1 0
162 2MASS J18410896-0554475 * 18 41 08.9548501222 -05 54 47.493768315           M8III 1 0
163 2MASS J18410955-0549102 * 18 41 09.5519620109 -05 49 10.049239849           M7II 1 0
164 2MASS J18411665-0522001 * 18 41 16.6560067771 -05 22 00.159603234           M6II-III 1 0
165 2MASS J18411744-0548162 * 18 41 17.447 -05 48 16.20           M7.5III 1 0
166 2MASS J18411898-0603075 * 18 41 18.9785412889 -06 03 07.389033314           M8III 1 0
167 HRDS G026.863-00.275 HII 18 41 19.1 -05 31 30           ~ 2 0
168 2MASS J18412042-0531593 * 18 41 20.4381991277 -05 31 59.287442882           M7I-II 1 0
169 2MASS J18412095-0529454 * 18 41 20.9604454840 -05 29 45.477715711           M7.5III 1 0
170 2MASS J18412113-0547027 * 18 41 21.1350420584 -05 47 02.600093868           M6-7II 1 0
171 2MASS J18412128-0530219 * 18 41 21.2969286806 -05 30 21.905684784           M7.5II 1 0
172 2MASS J18412130-0535570 * 18 41 21.3026685705 -05 35 56.932338487           M1Ib 1 0
173 2MASS J18412311-0537343 * 18 41 23.1255547980 -05 37 34.396718394           M3.5Ib 1 0
174 2MASS J18412383-0526073 s*r 18 41 23.8392123086 -05 26 07.423149790           M0Iab 1 0
175 2MASS J18412405-0534081 * 18 41 24.0613325964 -05 34 08.154788034           M6-7II 1 0
176 2MASS J18412825-0602170 * 18 41 28.256 -06 02 17.02           K4II 1 0
177 2MASS J18412983-0553135 * 18 41 29.8310238568 -05 53 13.654356824           M8I-II 1 0
178 2MASS J18413084-0553286 * 18 41 30.8469453184 -05 53 28.798321802           M7I-II 1 0
179 2MASS J18413340-0520259 * 18 41 33.4005594246 -05 20 25.933968387           M6II 1 0
180 2MASS J18413452-0548292 * 18 41 34.5194337856 -05 48 29.237286221           M7I-II 1 0
181 2MASS J18413490-0542328 * 18 41 34.9015297279 -05 42 32.758693499           M7.5II 1 0
182 2MASS J18413508-0525072 * 18 41 35.0850895661 -05 25 07.205080710           M7.5II-III 1 0
183 2MASS J18413548-0542326 s*r 18 41 35.4792423083 -05 42 32.636935935           M3.5Iab 1 0
184 2MASS J18413553-0530119 * 18 41 35.5280197395 -05 30 11.934836382           M4II 1 0
185 2MASS J18413620-0525554 * 18 41 36.2070331138 -05 25 55.425680757           M6Ib-II 1 0
186 2MASS J18413942-0544296 * 18 41 39.4171348914 -05 44 29.758017437           M7.5II-III 1 0
187 2MASS J18414012-0546380 * 18 41 40.1238273893 -05 46 38.073101146           M7.5III 1 0
188 2MASS J18414143-0531378 s*r 18 41 41.4227226506 -05 31 37.747881895           K3Iab 1 0
189 2MASS J18414217-0454089 * 18 41 42.1663759554 -04 54 08.916019007           M2II 1 0
190 2MASS J18414317-0548138 * 18 41 43.1684516854 -05 48 13.989305647           M4II 1 0
191 2MASS J18414511-0601444 s*r 18 41 45.1089240818 -06 01 44.474530926           M6-7I 1 0
192 2MASS J18414567-0556187 * 18 41 45.6747746452 -05 56 18.583013685           M7.5I-II 1 0
193 2MASS J18415038-0448016 * 18 41 50.3896402571 -04 48 01.636306672           M6III 1 0
194 2MASS J18415112-0610503 * 18 41 51.1211579840 -06 10 50.617272845           M5Ib-II 1 0
195 2MASS J18415217-0548506 * 18 41 52.1660837973 -05 48 50.619542585           M8III 1 0
196 2MASS J18415256-0611381 * 18 41 52.566 -06 11 38.15           K0III 1 0
197 IRAS 18392-0533 * 18 41 54.9149968834 -05 30 57.532107780           M8III 1 0
198 2MASS J18415535-0555201 * 18 41 55.3474935338 -05 55 20.254997876           M7II 1 0
199 2MASS J18415544-0545367 * 18 41 55.4511293695 -05 45 36.770843016           M5.5II 1 0
200 2MASS J18415587-0504137 s*r 18 41 55.8813343064 -05 04 13.729998419           M6I 1 0
201 2MASS J18415659-0539005 * 18 41 56.591 -05 39 00.53           M8III 1 0
202 2MASS J18415757-0532392 * 18 41 57.574 -05 32 39.21           M7I-II 1 0
203 2MASS J18415882-0541512 * 18 41 58.8138032415 -05 41 51.287360990           M6II-III 1 0
204 2MASS J18415901-0559558 * 18 41 59.0051190696 -05 59 56.021150842           M6III 1 0
205 2MASS J18415914-0512244 * 18 41 59.1502387188 -05 12 24.322486012           M4II 1 0
206 2MASS J18420014-0457528 * 18 42 00.1475095139 -04 57 52.751044619           M1.5Ib 1 0
207 2MASS J18420300-0535188 * 18 42 03.0061329800 -05 35 18.838813880           M7I-II 1 0
208 2MASS J18420494-0500367 s*r 18 42 04.9563492322 -05 00 36.735909850           ~ 1 0
209 2MASS J18420637-0445464 * 18 42 06.376 -04 45 46.49           M7.5III 1 0
210 2MASS J18420723-0529589 * 18 42 07.2450755971 -05 29 58.919371347           M7.5III 1 0
211 2MASS J18420792-0532450 s*r 18 42 07.926 -05 32 45.07           M0Iab 1 0
212 2MASS J18420802-0540372 * 18 42 08.025 -05 40 37.29           M6-7II 1 0
213 2MASS J18420870-0451000 s*r 18 42 08.7056261329 -04 51 00.069188113           KI 1 0
214 2MASS J18421113-0539142 * 18 42 11.1373891279 -05 39 14.260536485           M6III 1 0
215 2MASS J18421320-0458402 * 18 42 13.2043767233 -04 58 40.316005188           M4III 1 0
216 2MASS J18421378-0546061 * 18 42 13.7904287605 -05 46 06.155061709           M7III 1 0
217 2MASS J18421669-0543513 * 18 42 16.6990208844 -05 43 51.392750135           M8III 1 0
218 2MASS J18421727-0548553 * 18 42 17.2732376726 -05 48 55.392388163           M5Ib 1 0
219 [LGB99] 44 * 18 42 17.9476269893 -05 13 09.800906991           M8 3 0
220 2MASS J18421827-0438483 * 18 42 18.2798955875 -04 38 48.437466491           M7II-III 1 0
221 2MASS J18421880-0500481 * 18 42 18.8035096518 -05 00 48.147592196           M3Ib 1 0
222 2MASS J18421965-0545389 s*r 18 42 19.6516094492 -05 45 39.021222996           M0Iab 1 0
223 2MASS J18422009-0538402 * 18 42 20.096 -05 38 40.25           M6III 1 0
224 2MASS J18422147-0545383 * 18 42 21.4720440459 -05 45 38.411807639           M4.5III 1 0
225 2MASS J18422268-0514597 * 18 42 22.6965128795 -05 14 59.578772388           M2II 1 0
226 2MASS J18422315-0503002 * 18 42 23.1578839661 -05 03 00.267527423           M5.5III 1 0
227 2MASS J18422511-0441461 s*r 18 42 25.120 -04 41 46.12           MI 1 0
228 2MASS J18422788-0435413 * 18 42 27.8827635413 -04 35 41.422940658           M6III 1 0
229 2MASS J18422939-0511436 * 18 42 29.4031086973 -05 11 43.626129507           M7.5III 1 0
230 2MASS J18423251-0513543 * 18 42 32.5157700977 -05 13 54.429359511           M7II-III 1 0
231 2MASS J18423866-0455335 * 18 42 38.6682983447 -04 55 33.608829974           M7II 1 0
232 2MASS J18423886-0446094 s*r 18 42 38.8675934484 -04 46 09.549179903           M1.5Iab 1 0
233 2MASS J18424155-0453482 * 18 42 41.5490306463 -04 53 48.273091456           M6-7II 1 0
234 2MASS J18424196-0522139 * 18 42 41.9615722715 -05 22 13.818075176           M6II 1 0
235 2MASS J18424585-0518298 * 18 42 45.8560405593 -05 18 29.831707376           M6I-II 1 0
236 2MASS J18424927-0445095 s*r 18 42 49.2714582687 -04 45 09.629471028           ~ 1 0
237 2MASS J18430198-0516104 * 18 43 01.9869166651 -05 16 10.388537859           M6II 1 0
238 2MASS J18430422-0512163 * 18 43 04.2254696979 -05 12 16.294421526           M3II 1 0
239 2MASS J18430768-0427485 s*r 18 43 07.6846506335 -04 27 48.454570285           M6I 1 0
240 2MASS J18431051-0501124 * 18 43 10.5146585704 -05 01 12.413100193           M6III 1 0
241 2MASS J18431888-0506430 s*r 18 43 18.8876472682 -05 06 43.091711048           K4Iab 1 0
242 2MASS J18432089-0431281 s*r 18 43 20.8939510328 -04 31 28.217712874           K3Iab 1 0
243 2MASS J18432306-0524559 * 18 43 23.063 -05 24 55.97           M6II-III 1 0
244 2MASS J18432500-0501086 * 18 43 25.010 -05 01 08.67           M7II 1 0
245 2MASS J18432705-0433585 * 18 43 27.0489662696 -04 33 58.508446846           M6III 1 0
246 2MASS J18432831-0446364 * 18 43 28.317 -04 46 36.45           M7III 1 0
247 2MASS J18433299-0445346 * 18 43 32.9848454519 -04 45 34.770368367           M7.5III 1 0
248 2MASS J18433498-0427143 * 18 43 34.985 -04 27 14.39           M7III 1 0
249 2MASS J18433557-0525075 s*r 18 43 35.5760919511 -05 25 07.691203469           M0.5Iab 1 0
250 2MASS J18433896-0510524 * 18 43 38.9671526871 -05 10 52.427009325           M7I-II 1 0
251 2MASS J18434495-0519203 * 18 43 44.9502970043 -05 19 20.452780531           M7III 1 0
252 2MASS J18434977-0434254 s*r 18 43 49.7810754697 -04 34 25.505187561           K2Iab 1 0
253 2MASS J18435032-0428555 * 18 43 50.3379186130 -04 28 55.443247261           M2II 1 0
254 2MASS J18435156-0523150 * 18 43 51.5677348711 -05 23 14.924783126           M5III 1 0
255 2MASS J18435411-0507489 * 18 43 54.1205781728 -05 07 48.999470555           M6II 1 0
256 2MASS J18435596-0440484 s*r 18 43 55.9675617406 -04 40 48.460536713           M0Ia 1 0
257 2MASS J18435751-0455169 * 18 43 57.5202393128 -04 55 17.006208282           M6-7II 1 0
258 2MASS J18440006-0519062 * 18 44 00.0605067851 -05 19 06.034190658           M4Ib-II 1 0
259 2MASS J18440076-0434474 * 18 44 00.7594869878 -04 34 47.382848320           M1.5Ib 1 0
260 2MASS J18440273-0444130 * 18 44 02.7284900355 -04 44 13.067643906           M7III 1 0
261 2MASS J18440414-0518386 * 18 44 04.1422023596 -05 18 38.595334544           M6II 1 0
262 2MASS J18440556-0500509 * 18 44 05.5614021386 -05 00 51.097305319           M6-7I-II 1 0
263 2MASS J18440892-0437379 * 18 44 08.9244252229 -04 37 37.970736204           M7III 1 0
264 2MASS J18441059-0514198 * 18 44 10.5824830520 -05 14 19.714061669           M7.5I-II 1 0
265 2MASS J18441086-0510212 * 18 44 10.8769537721 -05 10 21.314943794           M6III 1 0
266 2MASS J18441193-0450575 * 18 44 11.9387906226 -04 50 57.493651234           M3Ib 1 0
267 2MASS J18441978-0439125 * 18 44 19.7873337824 -04 39 12.557867244           M7II-III 1 0
268 2MASS J18442147-0434460 s*r 18 44 21.4721716602 -04 34 46.027479791           K2Iab 1 0
269 2MASS J18442176-0453324 * 18 44 21.7571205389 -04 53 32.479197145           M6-7II 1 0
270 2MASS J18442346-0517239 * 18 44 23.463 -05 17 23.94           M7I-II 1 0
271 2MASS J18442375-0512284 * 18 44 23.7522948872 -05 12 28.479210185           M6III 1 0
272 2MASS J18442602-0456013 * 18 44 26.030 -04 56 01.38           M7I-II 1 0
273 2MASS J18443159-0516288 * 18 44 31.5947776770 -05 16 28.751537797           M5III 1 0
274 2MASS J18443327-0500415 * 18 44 33.2754319484 -05 00 41.565426431           M8I-II 1 0
275 2MASS J18443399-0513342 * 18 44 33.9946653762 -05 13 34.352828514           M8III 1 0
276 2MASS J18443454-0510551 * 18 44 34.5462539018 -05 10 55.125084962           M7.5II-III 1 0
277 2MASS J18445275-0511327 s*r 18 44 52.7503071344 -05 11 32.863459290           M7I 1 0
278 2MASS J18445289-0505505 * 18 44 52.8940290118 -05 05 50.497488817           M8I-II 1 0
279 2MASS J18445448-0453452 * 18 44 54.4788479258 -04 53 45.218094133           M6III 1 0
280 2MASS J18445473-0444254 * 18 44 54.7254158676 -04 44 25.401965183           M4Ib-II 1 0
281 2MASS J18450284-0500521 * 18 45 02.8441070569 -05 00 52.143783356           M9III 1 0
282 2MASS J18450545-0438306 * 18 45 05.4487399438 -04 38 30.763483266           M7.5II-III 1 0
283 2MASS J18450831-0459588 * 18 45 08.3229758101 -04 59 58.831340048           M8III 1 0
284 2MASS J18450876-0445021 * 18 45 08.7712216396 -04 45 02.182929010           M5III 1 0
285 2MASS J18450991-0502228 * 18 45 09.9132964316 -05 02 22.788937220           M8II 1 0
286 2MASS J18451971-0507245 s*r 18 45 19.7185898750 -05 07 24.456084171           M7.5I 1 0
287 RSGC 3 OpC 18 45 20.0 -03 24 43           ~ 44 0
288 2MASS J18452468-0449345 * 18 45 24.6742623119 -04 49 34.503457683           M8III 1 0
289 SNR G030.8-00.0 SNR 18 47 32 -01 56.5           ~ 416 0
290 NAME Sgr Arm PoG 19 00 -30.0           ~ 488 1
291 W 51 SNR 19 23 50 +14 06.0           ~ 1109 1
292 NGC 7419 OpC 22 54 20 +60 48.9     13.0     ~ 81 0
293 V* MY Cep s*r 22 54 31.6975860144 +60 49 38.970114015           M7.5I 76 0
294 NAME Galactic Bar reg ~ ~           ~ 799 0

    Equat.    Gal    SGal    Ecl

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2019.07.19-15:08:54

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