2022ApJS..259...60R


Query : 2022ApJS..259...60R

2022ApJS..259...60R - Astrophys. J., Suppl. Ser., 259, 60-60 (2022/April-1)

SEGUE-2: Old Milky Way Stars Near and Far.

ROCKOSI C.M., SUN LEE Y., MORRISON H.L., YANNY B., JOHNSON J.A., LUCATELLO S., SOBECK J., BEERS T.C., ALLENDE PRIETO C., AN D., BIZYAEV D., BLANTON M.R., CASAGRANDE L., EISENSTEIN D.J., GOULD A., GUNN J.E., HARDING P., IVANS I.I., JACOBSON H.R., JANESH W., KNAPP G.R., KOLLMEIER J.A., LEPINE S., LOPEZ-CORREDOIRA M., MA Z., NEWBERG H.J., PAN K., PRCHLIK J., SAYERS C., SCHLESINGER K.J., SIMMERER J. and WEINBERG D.H.

Abstract (from CDS):

The Sloan Extension for Galactic Understanding and Exploration 2 (SEGUE-2) obtained 128,288 low-resolution spectra (R ∼ 1800) of 118,958 unique stars in the first year of the Sloan Digital Sky Survey III (2008-2009). SEGUE-2 targeted prioritized distant halo tracers (blue horizontal-branch stars, K giants, and M giants) and metal-poor or kinematically hot populations. The main goal of SEGUE-2 was to target stars in the distant halo and measure their kinematics and chemical abundances to learn about the formation and evolution of the Milky Way. We present the SEGUE-2 field placement and target selection strategies. We discuss the success rate of the targeting based on the SEGUE-2 spectra and other spectroscopic and astrometric surveys. We describe the final SEGUE-2/SDSS-III improvements to the stellar parameter determinations based on the SEGUE Stellar Parameter Pipeline. We report a (g - i) color-effective temperature relation calibrated to the IRFM. We evaluate the accuracy and uncertainties associated with these stellar parameters by comparing with fundamental parameters, a sample of high-resolution spectra of SEGUE stars analyzed homogeneously, stars in well-studied clusters, and stars observed in common by the APOGEE survey. The final SEGUE spectra, calibration data, and derived parameters described here were released in SDSS-III Data Release 9 and continue to be included in all subsequent SDSS Data Releases. Because of its faint limiting magnitude and emphasis on the distant halo, the public SEGUE-2 data remain an important resource for the spectroscopy of stars in the Milky Way.

Abstract Copyright: © 2022. The American Astronomical Society. All rights reserved.

Journal keyword(s): Milky Way Galaxy - Radial velocity - Sky surveys - Spectroscopy - Chemical abundances

VizieR on-line data: <Available at CDS (J/ApJS/259/60): table5.dat table6.dat table9.dat>

Simbad objects: 139

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Number of rows : 139
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026
#notes
1 SDSS J001820.51-093939.2 Pe* 00 18 20.5090518552 -09 39 39.110446908           F9 28 0
2 SDSS J002113.77-005005.1 * 00 21 13.7792242920 -00 50 05.134135812           A1III 8 0
3 SDSS J002749.47+140417.9 * 00 27 49.4641718976 +14 04 18.034097556           A0 8 0
4 SDSS J003305.15-185906.7 * 00 33 05.1545844864 -18 59 06.741193416           F2 7 0
5 2MASS J00402918+1604163 Pe* 00 40 29.1789235128 +16 04 16.208187852           sdA 11 0
6 SDSS J004055.08-005735.6 * 00 40 55.0870338874 -00 57 35.668553942           G2 2 0
7 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
8 UCAC4 446-001405 * 01 05 47.5785687024 -00 54 35.969054940   17.413 16.282     G2 5 0
9 UCAC4 457-001466 * 01 07 46.5321302904 +01 14 01.297419072   14.720 13.829 13.711   ~ 5 0
10 2MASS J01103508-0044347 * 01 10 35.0868115848 -00 44 34.930509533           G2 3 0
11 SDSS J011323.60+002631.6 Pe* 01 13 23.6021020440 +00 26 31.597662732           F5 5 0
12 SDSS J012441.75+305553.4 * 01 24 41.7553252296 +30 55 53.428078704           F9 4 0
13 UCAC4 481-002020 Pe* 01 26 17.9451748632 +06 07 24.727884996   16.001 15.561     CEMP-s 21 0
14 SDSS J012811.36+385640.9 * 01 28 11.3677383696 +38 56 40.967079648           K1 3 0
15 SDSS J013152.01-090851.8 * 01 31 52.0060856184 -09 08 51.858926196           F5 6 0
16 SDSS J013627.14+231453.5 * 01 36 27.1394510808 +23 14 53.600999712           ~ 5 0
17 SDSS J013930.31+222533.5 * 01 39 30.3094292520 +22 25 33.533463756           ~ 4 0
18 SDSS J014149.75+010718.8 * 01 41 49.7505299904 +01 07 18.938876412           ~ 3 0
19 SDSS J014215.43+011359.2 * 01 42 15.4322396952 +01 13 59.344471668           ~ 3 0
20 SDSS J014438.43+144824.2 * 01 44 38.4387978336 +14 48 24.132820500           F2 3 0
21 SDSS J021035.60-002317.5 RG* 02 10 35.6031966192 -00 23 17.536135668           F2 4 0
22 SDSS J021317.00+220622.6 * 02 13 17.0099948625 +22 06 22.742013747           F5 3 0
23 SDSS J024552.97-005344.3 * 02 45 52.9718545248 -00 53 44.277386748           F5 3 0
24 SDSS J024740.31+011143.8 * 02 47 40.3136940384 +01 11 43.971086832           ~ 3 0
25 SDSS J025751.27+060745.8 * 02 57 51.2751042153 +06 07 45.863411374           F5 2 0
26 SDSS J030524.66+054221.7 * 03 05 24.66855 +05 42 21.7468           F9 1 0
27 SDSS J030921.36-000552.3 * 03 09 21.3604908063 -00 05 52.339294775           G5V 3 0
28 SDSS J030944.39-010845.2 * 03 09 44.3948215242 -01 08 45.109288079           G0IV 2 0
29 SDSS J031443.05+060513.1 * 03 14 43.0598058177 +06 05 13.137839433           F5 2 0
30 SDSS J031745.82+002304.2 Pe* 03 17 45.8273235048 +00 23 04.178253480           A0 9 0
31 SDSS J032930.10-010721.0 * 03 29 30.1087697448 -01 07 21.069391548           ~ 3 0
32 SDSS J033530.56-010038.3 * 03 35 30.5659671168 -01 00 38.359225404           F9 4 0
33 SDSS J033817.33-072943.4 * 03 38 17.3241666864 -07 29 43.437431796           F5 3 0
34 SDSS J034322.58-073658.7 * 03 43 22.5789480619 -07 36 58.711273874           F9 2 0
35 SDSS J040129.82-054248.3 * 04 01 29.8266534659 -05 42 48.329876191           G0V 3 0
36 SDSS J053440.79+004113.3 * 05 34 40.7895793290 +00 41 13.348499600           F5 2 0
37 SDSS J053442.39+003826.6 * 05 34 42.345 +00 38 26.97           G2 2 0
38 SDSS J053643.75-002814.7 * 05 36 43.75615 -00 28 14.7324           ~ 1 0
39 Cl Berkeley 29 OpC 06 53 03.6 +16 55 24   14.3       ~ 187 0
40 SDSS J071715.42+313159.2 * 07 17 15.4220552184 +31 31 59.198828772           F5 4 0
41 SDSS J072653.65+370020.0 * 07 26 53.6557697112 +37 00 19.971380268           F5 3 0
42 SDSS J072753.81+345437.5 * 07 27 53.8177720512 +34 54 37.572141600           F5 3 0
43 SDSS J072801.58+354503.2 * 07 28 01.5834097200 +35 45 03.270192120           F5 4 0
44 SDSS J072940.24+370322.7 * 07 29 40.2508845000 +37 03 22.729596120           F5 3 0
45 SDSS J073034.51+352545.8 * 07 30 34.5150761544 +35 25 45.824832228           F5 3 0
46 SDSS J073240.79+351717.7 * 07 32 40.7954607072 +35 17 17.685610116           ~ 3 0
47 SDSS J073316.29+204933.7 * 07 33 16.29019 +20 49 33.7460           F5 1 0
48 SDSS J073752.69+205855.3 * 07 37 52.7004044352 +20 58 55.366515192           F5 4 0
49 SDSS J073938.60+202314.9 * 07 39 38.6105221152 +20 23 14.979050520           F5 3 0
50 SDSS J074010.35+213755.0 * 07 40 10.3517349168 +21 37 55.031203632           ~ 3 0
51 SDSS J074017.96+205439.4 * 07 40 17.9685151104 +20 54 39.533474808           F5 4 0
52 SDSS J074050.37+173230.7 * 07 40 50.3743124830 +17 32 30.982379117           A0 2 0
53 SDSS J074101.79+204524.1 * 07 41 01.80044 +20 45 24.1307           F5 1 0
54 SDSS J074112.78+205959.1 * 07 41 12.7861100904 +20 59 59.225827380           G2 4 0
55 SDSS J074125.25+212940.7 * 07 41 25.2492383592 +21 29 40.757339256           ~ 3 0
56 SDSS J074139.57+172517.2 * 07 41 39.5742763248 +17 25 17.247837252           F5 3 0
57 SDSS J074151.20+275319.6 * 07 41 51.2019925176 +27 53 19.632274116           A0 3 0
58 SDSS J074300.91+285106.5 * 07 43 00.9094535208 +28 51 06.578775828           ~ 3 0
59 SDSS J074414.90+212330.1 * 07 44 14.89966 +21 23 30.1559           F5 1 0
60 SDSS J074512.80+170144.2 * 07 45 12.8101795152 +17 01 44.244095160           ~ 4 0
61 SDSS J074638.40+183420.7 * 07 46 38.4020241360 +18 34 20.837605764           F5 3 0
62 SDSS J074723.39+173033.2 RG* 07 47 23.3961386136 +17 30 33.335171604           F5 4 0
63 SDSS J074945.24+180103.6 * 07 49 45.2413648080 +18 01 03.632461464           F5 5 0
64 SDSS J080057.48+070550.5 Pe* 08 00 57.4874424408 +07 05 50.570342016           F2 4 0
65 SDSS J080502.58+075504.6 * 08 05 02.58188 +07 55 04.6800           F5 1 0
66 SDSS J082521.28+040334.3 * 08 25 21.2812774512 +04 03 34.437825396           sdA 12 0
67 SDSS J091243.72+021623.6 Pe* 09 12 43.7229065184 +02 16 23.716384212           CEMP-s 29 0
68 2MASS J10364992+1212199 Pe* 10 36 49.9302859032 +12 12 19.888410852           CEMP-s 33 0
69 SDSS J112848.22+580741.9 * 11 28 48.2257501896 +58 07 41.992162932           F9 3 0
70 2MASS J11352807+0108485 Pe* 11 35 28.0817916960 +01 08 48.756158844           A0 8 0
71 SDSS J120809.06+385116.2 * 12 08 09.06339 +38 51 16.2347           F9 1 0
72 SDSS J124123.92-083725.4 Pe* 12 41 23.9249911752 -08 37 25.435199100           G2 11 0
73 SDSS J124204.42-033618.0 Pe* 12 42 04.4267741808 -03 36 18.062050788           ~ 10 0
74 SDSS J124631.74-064456.8 * 12 46 31.7507748096 -06 44 56.817503304           G2 5 0
75 NGC 5053 37 RG* 13 16 40.7989915368 +17 47 33.783204552   16.09 15.28     ~ 21 0
76 SDSS J133453.44+002238.6 * 13 34 53.4418245576 +00 22 38.495795844           F5 7 0
77 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2593 0
78 SDSS J134705.15+553755.0 * 13 47 05.15064 +55 37 55.0452           ~ 1 0
79 NAME SDSS J1349-0229 Pe* 13 49 13.5415394784 -02 29 42.784646424           CEMP-s 28 0
80 SDSS J142237.43+003105.2 Pe* 14 22 37.4316643608 +00 31 05.282518764           CEMP-no 17 0
81 SDSS J143632.26+091831.5 * 14 36 32.2794542040 +09 18 31.496651712           sdA 9 0
82 2MASS J14464064+1249175 Pe* 14 46 40.6393069848 +12 49 17.409273384           sdA 13 0
83 ATO J228.1734+59.5305 EB* 15 12 41.6618909184 +59 31 49.933642872           ~ 6 0
84 SDSS J153110.10+095255.5 * 15 31 10.1111608800 +09 52 55.644699000           A0 3 0
85 SDSS J161226.17+042146.6 Pe* 16 12 26.1799580112 +04 21 46.630824048           F5 10 0
86 SDSS J161313.51+530909.6 Pe* 16 13 13.5241043232 +53 09 09.693368640           CEMP-no 16 0
87 M 13 GlC 16 41 41.634 +36 27 40.75     5.8     ~ 2291 0
88 CRTS J165326.6+401812 EB* 16 53 26.5977716016 +40 18 12.109501584     14.56     F9 10 0
89 SDSS J165640.61+393244.5 * 16 56 40.6114183896 +39 32 44.488935132           F9 5 0
90 SDSS J171652.32+603927.5 * 17 16 52.3240603344 +60 39 27.562443444           ~ 3 0
91 M 92 GlC 17 17 07.39 +43 08 09.4     6.52     ~ 2240 0
92 SDSS J171924.59+273445.7 * 17 19 24.5968143528 +27 34 45.795988236           G0 3 0
93 SDSS J172558.34+074516.3 * 17 25 58.3384803120 +07 45 16.174258308           G0 2 0
94 SDSS J172742.08+274441.5 * 17 27 42.08848 +27 44 41.5514           F9 1 0
95 SDSS J173417.89+431606.5 Pe* 17 34 17.8947988176 +43 16 06.574792476           CEMP-s 12 0
96 SDSS J173532.16+444635.9 Pe* 17 35 32.1641070600 +44 46 35.875194276           F5 7 0
97 2MASS J17362806+4420361 * 17 36 28.0675557312 +44 20 36.182924088           F5 6 0
98 SDSS J174431.29+252145.3 * 17 44 31.2859404792 +25 21 45.350182584           F5 4 0
99 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
100 SDSS J174624.12+245548.7 Pe* 17 46 24.1295713584 +24 55 48.764124012           CEMP-no 13 0
101 SDSS J174638.20+243308.1 * 17 46 38.2046006400 +24 33 08.114852736           F9 5 0
102 SDSS J180418.32+234842.1 * 18 04 18.3311968728 +23 48 42.131307132           F5 4 0
103 SDSS J180534.75+244052.7 * 18 05 34.7429184696 +24 40 52.677785388           K1 4 0
104 SDSS J180623.33+245131.0 * 18 06 23.3346127320 +24 51 31.017670164           ~ 3 0
105 SDSS J180728.55+223130.5 * 18 07 28.5527965872 +22 31 30.725595516           F5 3 0
106 SDSS J180831.36+223720.1 * 18 08 31.3605234480 +22 37 20.181822744           F9 4 0
107 SDSS J180922.44+223712.3 PM* 18 09 22.4602273704 +22 37 12.486076680           F5 3 0
108 2MASS J18092448+2311560 RG* 18 09 24.4825333536 +23 11 56.008818636           F9 6 0
109 SDSS J181001.40+230554.8 * 18 10 01.4008542240 +23 05 54.861259164           F2 4 0
110 NAME SDG G 18 55 19.0 -30 32 43   4.5 3.6     ~ 2438 2
111 NGC 6791 OpC 19 20 52.8 +37 46 40   10.52 9.5     ~ 1120 0
112 SDSS J200632.95-115231.4 * 20 06 32.9594331720 -11 52 31.401660288           G2 2 0
113 SDSS J200800.40-114133.4 * 20 08 00.3969305616 -11 41 33.391438512           F9 3 0
114 SDSS J202039.14+140755.1 * 20 20 39.1446690552 +14 07 55.182330804           K1 5 0
115 SDSS J202244.17+131606.3 * 20 22 44.1732458232 +13 16 06.407112576           ~ 2 0
116 SDSS J202301.63+123634.8 * 20 23 01.6356147480 +12 36 34.811822880           F5 4 0
117 SDSS J202718.90+125957.8 * 20 27 18.9037227096 +12 59 57.945001632           F9 4 0
118 SDSS J204710.35+030829.5 * 20 47 10.3585261296 +03 08 29.523165108           G2 3 0
119 SDSS J204728.84+001553.8 Pe* 20 47 28.8409584360 +00 15 53.867748672           CEMP-s 19 0
120 SDSS J210812.80-000421.5 * 21 08 12.8019981676 -00 04 21.595668163           G2 2 0
121 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3274 0
122 M 2 GlC 21 33 27.02 -00 49 23.7     6.25     ~ 1114 1
123 2MASS J21381883+1235466 * 21 38 18.8329276608 +12 35 46.483448640           ~ 6 0
124 SDSS J220537.23+202904.7 * 22 05 37.2283882896 +20 29 04.820570556           F9 3 0
125 SDSS J220639.11-085525.6 * 22 06 39.1101468672 -08 55 25.720573512           G0 4 0
126 SDSS J220743.35+201752.3 * 22 07 43.3444719576 +20 17 52.236655368           A0 6 0
127 UCAC4 413-146044 Pe* 22 13 34.1342689368 -07 26 04.065564408   15.965 15.113     F5 8 0
128 SDSS J222725.17+003204.6 * 22 27 25.1778494352 +00 32 04.736793372           ~ 2 0
129 SDSS J224319.19+130923.2 * 22 43 19.1883813964 +13 09 23.189300676           F9 2 0
130 SDSS J225425.06-084941.5 * 22 54 25.0583655240 -08 49 41.544702336           F2 4 0
131 SDSS J225801.76+000643.0 * 22 58 01.7723877792 +00 06 43.100174556           F5 3 0
132 2MASS J23081486-0855262 Pe* 23 08 14.8557473232 -08 55 26.366351088           A0 10 0
133 SDSS J233113.45-010933.2 * 23 31 13.4522469360 -01 09 33.284847636           A0 7 0
134 2MASS J23381754+0902075 * 23 38 17.5490651736 +09 02 07.470621024           F5 8 0
135 2MASS J23454287-1016306 RG* 23 45 42.8805621888 -10 16 30.787040748           KIII 7 0
136 SDSS J234723.64+010833.4 * 23 47 23.6500674384 +01 08 33.463470804           F5 11 0
137 SDSS J234910.72-002005.6 * 23 49 10.7192938008 -00 20 05.607089736           F9 3 0
138 NAME Monoceros Stream St* ~ ~           ~ 374 1
139 NAME Gaia Enceladus-Sausage St* ~ ~           ~ 860 0

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