2017ApJ...836...65M

Query : 2017ApJ...836...65M

2017ApJ...836...65M - Astrophys. J., 836, 65-65 (2017/February-2)

Red supergiants in the inner Galaxy: stellar properties.

MESSINEO M., ZHU Q., MENTEN K.M., IVANOV V.D., FIGER D.F., KUDRITZKI R.-P. and CHEN C.-H.R.

Abstract (from CDS):

Red supergiants (RSGs) are luminous cool stars detectable in disks of distant spirals. About a thousand are known in the Galaxy. Here, we analyze a sample of late-type stars recently observed by Messineo et al. in the inner Galaxy (10○l60○). A total of 58 targets (25% of previously known RSGs) were reported as supergiants based on their large equivalent widths of the CO band-head at 2.293 µm (EWs > 45 A, >=M0I). In this work, luminosities are estimated with infrared measurements and distance moduli for 47 spectroscopically classified RSGs; they range from 3.2×104 to 1.3×105L☉. Six other RSGs with smaller EW(CO)s are classified according to their luminosities. Using a prescription based on Ks–[W4], moderate mass-loss rates from 10–8 to 10–6.5M☉ yr–1 are inferred. In addition, we report on H and K spectra of 26 stars at R = 1500-2200. EWs of the CO at 2.293 and 1.620 µm, and of atomic lines, are consistent with those of nearby RSGs, within uncertainties. Mg I appears to be a useful diagnostic to confirm RSGs at R = 1500-2200. RSG #66 is a member of the cluster Alicante 7. Star #92 is projected onto the overdensity #495 of Camargo et al., but our analysis suggests they are unrelated. Remaining targets are isolated from other known RSGs within ≃3'.

Abstract Copyright: © 2017. The American Astronomical Society. All rights reserved.

Journal keyword(s): infrared: stars - stars: abundances - stars: evolution - stars: massive - supergiants - supergiants

Nomenclature: Table 8: [MZM2016] NNN (Nos 95-123) added.

Simbad objects: 132

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Number of rows : 132
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 V* NO Aur s*r 05 40 42.0497751264 +31 55 14.197536156 10.52 8.30 6.21 4.43 3.02 M2Iab 145 1
2 * alf Ori s*r 05 55 10.30536 +07 24 25.4304 4.38 2.27 0.42 -1.17 -2.45 M1-M2Ia-Iab 1671 0
3 NGC 3603 OpC 11 15 10.8 -61 15 32           ~ 1067 1
4 IRAS 11448-6154 Mi* 11 47 15.8212890072 -62 10 59.228223312         12.128 K1III: 5 0
5 IRAS 13045-6349 Mi* 13 07 48.0196956240 -64 05 12.527741328     16.648   11.152 M9 6 0
6 IRAS 13128-6231 Mi* 13 16 08.4480395856 -62 47 49.655048892     20.177   12.617 M7III: 4 0
7 IRAS 13251-6225 s?r 13 28 29.1878400288 -62 40 31.852401132           M0.5I: 3 0
8 TYC 8701-439-1 * 15 56 01.9862271312 -54 40 53.318086392   13.02 10.90 10.37   K5Ib-II 2 0
9 HD 327718 SB* 15 59 48.7676981976 -45 55 13.311043104   11.69 9.92 9.71   K3.5Ib-II: 4 0
10 IRAS 15566-5157 s*r 16 00 20.7608182344 -52 05 00.708662832   14.84 12.01 11.14   K3.5Iab 2 0
11 2MASS J16020110-5328273 s*r 16 02 01.1301145056 -53 28 27.423174000   13.51 11.20 10.55   K5Ib 1 0
12 CD-52 7185 s*r 16 03 07.3755187032 -53 07 22.566180108   12.42 10.28 9.84   K3Ib 2 0
13 * sig Oph V* 17 26 30.8807335272 +04 08 25.293765444 7.39 5.82 4.31 3.22 2.46 K2II 175 0
14 IRAS 17395-2942 s?r 17 42 48.53856 -29 44 17.9844           M3.5I: 4 0
15 ISOGAL-P J174339.8-291135 s?r 17 43 39.7925143608 -29 11 37.579534332           M1I: 5 0
16 MSX5C G000.1116-00.3850 Mi* 17 47 23.5218231744 -29 02 28.149220824         17.079 M5.5I: 8 0
17 IRAS 17500-2647 Mi* 17 53 13.1243540616 -26 47 41.026520112         17.293 M6III: 12 1
18 IRAS 18055-1803 s*r 18 08 28.1885707944 -18 03 07.559691012           M0.5I 4 0
19 2MASS J18084554-1951496 * 18 08 45.5441389080 -19 51 49.628815344           K5.5III: 2 0
20 2MASS J18084556-1952549 s*r 18 08 45.5546237832 -19 52 55.055273880           M2.5I 2 0
21 IRAS 18063-1940 s*r 18 09 17.11224 -19 39 58.8096           M2I 3 0
22 2MASS J18112728-1750141 AB* 18 11 27.2903177616 -17 50 14.017320600           M7III: 4 0
23 2MASS J18114736-1929156 AB* 18 11 47.3679172512 -19 29 15.579544416           M2 3 0
24 2MASS J18131562-1801224 AB* 18 13 15.6231178152 -18 01 22.463130540           M1 4 0
25 2MASS J18132341-1858186 AB* 18 13 23.4172977720 -18 58 18.743690784           M4.5III: 4 0
26 2MASS J18133671-2002131 AB* 18 13 36.7177831152 -20 02 13.306488828           M5III: 3 0
27 IRAS 18108-1847 AB* 18 13 49.1404188576 -18 46 33.250528308           M7III: 5 0
28 2MASS J18140682-1906204 AB* 18 14 06.8318477448 -19 06 20.470521348           M7III: 3 0
29 2MASS J18143700-1701433 AB* 18 14 37.0011973080 -17 01 43.485364092       14.58   M5.5III: 1 0
30 ATO J273.6622-17.0047 AB* 18 14 38.9475737256 -17 00 16.993329660       14.55   M6III: 4 0
31 2MASS J18143934-1659598 s?r 18 14 39.3451195368 -16 59 59.957624004           M2I: 2 0
32 2MASS J18144593-1737549 AB* 18 14 45.9315315072 -17 37 55.011114264           M1 3 0
33 2MASS J18145270-1732001 s*r 18 14 52.7040203880 -17 32 00.202939008           M0.5I 3 0
34 2MASS J18151356-1803405 s*r 18 15 13.5255389784 -18 03 41.642329716           M1I 2 0
35 2MASS J18153237-1747220 s*r 18 15 32.3685245904 -17 47 22.004619756           M3I 3 0
36 2MASS J18153375-1809048 s*r 18 15 33.75624 -18 09 04.8060           M0.5I 2 0
37 2MASS J18154112-1646457 AB* 18 15 41.1249817488 -16 46 45.681173796           M1.5 4 0
38 2MASS J18155832-1658278 AB* 18 15 58.3200634896 -16 58 27.905241864           M7III: 4 0
39 IRAS 18131-1523 AB* 18 15 59.6026012152 -15 22 09.132379032           M7III: 2 0
40 2MASS J18165719-1622235 AB* 18 16 57.1959657792 -16 22 23.585632068           M2.5 2 0
41 2MASS J18171598-1405543 AB* 18 17 15.9867684576 -14 05 54.446448372           M7III: 4 0
42 2MASS J18172865-1637399 AB* 18 17 28.6451282520 -16 37 39.972697104           M7III: 4 0
43 2MASS J18174160-1356280 AB* 18 17 41.6007437568 -13 56 28.127879880           M7III: 6 0
44 2MASS J18175212-1715085 AB* 18 17 52.1158426152 -17 15 08.451698040           M2 3 0
45 2MASS J18181255-1629132 AB* 18 18 12.5580946560 -16 29 13.420161132           M1.5 3 0
46 2MASS J18184453-1651089 AB* 18 18 44.53080 -16 51 08.9820           M7III: 3 0
47 2MASS J18184660-1634566 AB* 18 18 46.6053066936 -16 34 56.645333904           M3 3 0
48 2MASS J18191137-1531099 s*r 18 19 11.3757372864 -15 31 10.033841748           M3.5I 3 0
49 IRAS 18165-1709 AB* 18 19 27.2255686392 -17 07 59.433791664           M3.5III: 4 0
50 2MASS J18201613-1627415 AB* 18 20 16.1314537968 -16 27 41.402120976           M7III: 5 0
51 2MASS J18202650-1346486 AB* 18 20 26.5064996760 -13 46 48.770080680           M7III: 3 0
52 IRAS 18181-1325 s*r 18 20 54.6645344208 -13 23 41.724508704           M0.5I 4 0
53 2MASS J18210094-1428209 AB* 18 21 00.9325958880 -14 28 20.939603016           M1.5 3 0
54 2MASS J18210685-1503401 AB* 18 21 06.8608605840 -15 03 40.319989740           M7III: 4 0
55 2MASS J18210846-1532090 AB* 18 21 08.4681455304 -15 32 09.119017536           M5 4 0
56 IRAS 18185-1356 AB* 18 21 24.2747251176 -13 55 28.248495924           M7III: 4 0
57 2MASS J18230108-1225538 AB* 18 23 01.0832647416 -12 25 53.912251200           M7III: 3 0
58 2MASS J18230108-1225020 AB* 18 23 01.0894681248 -12 25 02.118070704           M3III: 1 0
59 2MASS J18230411-1354160 AB* 18 23 04.1134847496 -13 54 16.106254344           M2 3 0
60 2MASS J18231119-1357580 AB* 18 23 11.2055295624 -13 57 58.089934656           M7III: 4 0
61 2MASS J18240991-1101215 AB* 18 24 09.9057662088 -11 01 21.409599216           M7III: 4 0
62 2MASS J18241548-1407415 AB* 18 24 15.4886955408 -14 07 41.601944064           M7III: 2 0
63 2MASS J18241650-1407368 AB* 18 24 16.5031024896 -14 07 36.942447180           M7III: 2 0
64 2MASS J18251120-1140567 AB* 18 25 11.2110780648 -11 40 56.543576016           M2 4 0
65 StRS 190 AB* 18 25 43.8218139504 -11 53 36.864793068       14.83   M7III: 5 0
66 2MASS J18261922-1406487 AB* 18 26 19.2059680512 -14 06 48.849708456           M3 4 0
67 2MASS J18261936-1408328 AB* 18 26 19.3622696640 -14 08 32.742781728     11.42 10.95   M3III: 1 0
68 IRAS 18236-0936 s?r 18 26 25.0008374832 -09 34 59.562301332           M1I? 2 0
69 2MASS J18262771-0935189 AB* 18 26 27.7248477168 -09 35 18.872407104       13.91   M5.5III: 4 0
70 2MASS J18273353-1149270 AB* 18 27 33.5420029872 -11 49 26.991606108       15.86   M7III: 2 0
71 2MASS J18291233-1219408 AB* 18 29 12.3444194904 -12 19 40.880343072           M7III: 3 0
72 2MASS J18301889-1020003 AB* 18 30 18.8985221736 -10 20 00.284432496           M7III: 4 0
73 2MASS J18310460-1054260 AB* 18 31 04.5996226104 -10 54 26.011852164           M7III: 4 0
74 IRAS 18292-1121 AB* 18 31 58.8173370144 -11 19 21.348222528           M7III: 4 0
75 2MASS J18332869-0912091 s*r 18 33 28.6964310768 -09 12 09.250502292         15.212 M3I 3 0
76 IRAS 18310-0702 AB* 18 33 44.4468249000 -06 59 47.546715804           M7III: 5 0
77 2MASS J18340471-0907176 s*r 18 34 04.7096592816 -09 07 17.622402060           M0I 3 0
78 2MASS J18340713-0905535 s*r 18 34 07.1279129208 -09 05 53.639474820           M2I 3 0
79 2MASS J18351346-0744581 AB* 18 35 13.4677059528 -07 44 58.101865764           M6III: 3 0
80 2MASS J18352902-0721126 AB* 18 35 29.0328577776 -07 21 12.588861240           M2.5 3 1
81 IRAS 18328-0759 AB* 18 35 34.7576656512 -07 56 48.378981696           M7III: 4 0
82 2MASS J18354911-0734430 AB* 18 35 49.1060559168 -07 34 43.460962176           M7III: 3 0
83 2MASS J18355151-0730113 AB* 18 35 51.5138652888 -07 30 11.251959876           M3.5 3 0
84 2MASS J18374651-0712245 AB* 18 37 46.5304429200 -07 12 24.644088324           M1.5 4 0
85 Cl Stephenson 2 OpC 18 39 20 -06 01.7           ~ 93 0
86 2MASS J18413481-0448579 AB* 18 41 34.8139826856 -04 48 57.976659432           M1.5 3 0
87 2MASS J18414834-0448529 AB* 18 41 48.3447983256 -04 48 52.835972508           M1.5 4 0
88 IRAS 18396-0444 AB* 18 42 17.10720 -04 41 16.9836           M1.5 3 0
89 2MASS J18424231-0440533 AB* 18 42 42.3204701064 -04 40 53.532401772           M3 4 0
90 2MASS J18424479-0433573 AB* 18 42 44.7970257120 -04 33 57.491063244           M7III: 4 0
91 2MASS J18425222-0346184 AB* 18 42 52.2300742920 -03 46 18.572477124           M2.5 3 0
92 2MASS J18430800-0356240 AB* 18 43 08.00544 -03 56 24.0504           M2.5 3 0
93 IRAS 18418-0338 AB* 18 44 26.1663616800 -03 35 27.582484596         15.56 M7III: 5 0
94 Cl Alicante 7 OpC 18 44 29.45 -03 30 02.4           ~ 21 0
95 RSGC 3 OpC 18 45 20.0 -03 24 43           ~ 53 0
96 2MASS J18464441-0324049 AB* 18 46 44.4143922648 -03 24 05.078830284           M4 3 0
97 IRAS 18441-0306 AB* 18 46 44.7969124320 -03 03 32.257044108           M2 8 0
98 2MASS J18474607-0141486 AB* 18 47 46.0681160592 -01 41 48.830396532           M7III: 2 0
99 2MASS J18474922-0141253 Mi* 18 47 49.2225655584 -01 41 25.681282188         15.715 M2.5I: 4 0
100 2MASS J18475357-0147150 AB* 18 47 53.5691533728 -01 47 15.081144468           M2 3 0
101 2MASS J18482997-0211500 AB* 18 48 29.9771144160 -02 11 49.900112052           M1.5 4 0
102 IRAS 18514+0137 AB* 18 53 57.3209451432 +01 41 27.009622752           M6.5III: 3 0
103 IRAS 18520+0149 AB* 18 54 34.4414673360 +01 53 04.529787792           M1 3 0
104 IRAS 18532+0336 s*r 18 55 42.1447140312 +03 40 04.568650644           M0I 3 0
105 IRAS 18544+0130 AB* 18 56 58.4943428448 +01 34 52.095435060           M1 3 0
106 StRS 269 AB* 18 58 04.3398906552 +02 15 41.182107984           M7III: 5 0
107 2MASS J18585383+0500368 AB* 18 58 53.8352174088 +05 00 36.864462672       15.96   M3.5III: 4 0
108 IRAS 18577+0308 AB* 19 00 12.2825085888 +03 12 25.931473308           M7III: 3 0
109 2MASS J19001812+0325413 AB* 19 00 18.1243410432 +03 25 41.353114728           M7III: 4 0
110 2MASS J19001820+0326329 AB* 19 00 18.1984047744 +03 26 32.886045924           M5.5III: 1 0
111 2MASS J19021061+0624270 AB* 19 02 10.6022529360 +06 24 27.191451852           M7III: 3 0
112 2MASS J19021067+0622580 AB* 19 02 10.6698061848 +06 22 57.965622564           M5.5III: 1 0
113 2MASS J19021068+0625354 AB* 19 02 10.6812373992 +06 25 35.288553936           M5.5III: 2 0
114 2MASS J19051932+0600126 AB* 19 05 19.3251089856 +06 00 12.428170020           M7III: 3 0
115 UCAC4 495-098914 * 19 05 20.0991653016 +08 49 17.237106912       14.52   M4.5III: 2 0
116 2MASS J19052011+0848571 s*r 19 05 20.1017096376 +08 48 57.100875120           M0I 3 0
117 IRAS 19036+0719 AB* 19 06 07.1961583704 +07 23 54.564825624           M6III: 4 0
118 IRAS 19037+0554 AB* 19 06 09.3444038208 +05 58 44.438116440           M7III: 4 0
119 2MASS J19060938+0559276 AB* 19 06 09.3780110712 +05 59 27.795573096           M6III: 2 0
120 IRAS 19080+0813 AB* 19 10 25.6722662016 +08 18 52.469585496           M1 4 0
121 IRAS 19106+0942 AB* 19 12 59.9463169152 +09 48 01.527255612           M7 4 0
122 2MASS J19130113+1001597 AB* 19 13 01.1383249416 +10 01 59.568180096           M7III: 4 0
123 IRAS 19118+1022 AB* 19 14 14.1530571216 +10 28 02.462186028           M2.5 5 0
124 2MASS J19143238+0916599 s*r 19 14 32.3859051432 +09 16 59.876522796           K5.5I 3 0
125 2MASS J19162104+0939043 AB* 19 16 21.0574789992 +09 39 04.460489496           M7III: 4 0
126 IRAS 19166+1405 AB* 19 18 56.8658146896 +14 11 08.103414192       14.59   M7III: 4 0
127 IRAS 19194+1331 AB* 19 21 44.5742934384 +13 37 22.474806960           M1.5 4 0
128 IRAS 19269+1739 AB* 19 29 11.6641429320 +17 46 03.841070016       15.57   M7III: 5 0
129 Camargo 495 Cl? 19 29 12.0 +17 46 01           ~ 1 0
130 IRAS 19298+1755 AB* 19 32 03.8201120352 +18 01 43.426735392           M1 2 0
131 IRAS 19397+2234 s*r 19 41 53.1908071344 +22 41 36.770623548           M0.5I 2 0
132 V* MY Cep s*r 22 54 31.6975387464 +60 49 38.973030780   16.149 13.770 12.822   M7.5I 87 0

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