2019ApJ...874..138L

Query : 2019ApJ...874..138L

2019ApJ...874..138L - Astrophys. J., 874, 138-138 (2019/April-1)

Detecting the Sagittarius stream with LAMOST DR4 M giants and Gaia DR2.

LI J., LIU C., XUE X., ZHONG J., WEISS J., CARLIN J.L. and TIAN H.

Abstract (from CDS):

We use LAMOST DR4 M giants combined with Gaia DR2 proper motions and ALLWISE photometry to obtain an extremely pure sample of Sagittarius (Sgr) stream stars. Using TiO5 and CaH spectral indices as indicators, we selected a large sample of M-giant stars from M-dwarf stars in LAMOST DR4 spectra. Considering the position, distance, proper motion, and angular momentum distribution, we obtained 164 pure Sgr stream stars. We find that the trailing arm has higher energy than the leading arm in the same angular momentum. The trailing arm we detected extends to a heliocentric distance of ∼130 kpc at ∼Λ☉∼170○, which is consistent with the feature found in RR Lyrae in Sesar et al. Both of these detections of Sgr, in M-giants and in RR Lyrae, imply that the Sgr stream may contain multiple stellar populations with a broad metallicity range.

Abstract Copyright: © 2019. The American Astronomical Society. All rights reserved.

Journal keyword(s): galaxies: individual: Sagittarius dSph - Galaxy: halo - Galaxy: structure - stars: abundances - stars: distances - stars: late-type

VizieR on-line data: <Available at CDS (J/ApJ/874/138): table1.dat>

Simbad objects: 170

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Number of rows : 170
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 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
2 2MASS J00585123+0201503 AB? 00 58 51.2305293144 +02 01 50.278455192   16.608 14.703 14.382   M0.0III 4 0
3 2MASS J01202901-0243399 AB? 01 20 29.0209779624 -02 43 39.958707252   16.4 15.1     M1.0III 3 0
4 2MASS J01225556-0258395 AB? 01 22 55.5660391056 -02 58 39.565579728   16.875 15.172 14.786   M0.0III 4 0
5 2MASS J01301107-0229362 AB? 01 30 11.0544239040 -02 29 36.248486388   16.862 14.905 14.583   M0.0III 3 0
6 2MASS J01571874+0851042 AB? 01 57 18.7470466968 +08 51 04.319223300           M1.0III 2 0
7 ATO J033.8448+00.4445 LP* 02 15 22.7621239536 +00 26 40.435453932   17.401 15.393 15.115   M2.0III 8 0
8 [BEM91] 31 C* 02 20 23.4985557360 +01 10 39.274076208   16.95 14.60     C-N 15 0
9 NAME Sagittarius Stream St* 02 22 +00.0           ~ 1001 0
10 2MASS J02235623+0157164 AB? 02 23 56.2352994336 +01 57 16.553264616   16.904 15.011 14.761   M0.0III 3 0
11 2MASS J02235912+1208291 AB? 02 23 59.1125263296 +12 08 29.149465020   17.339 15.984 15.428   M1.0III 2 0
12 2MASS J02255230+1327546 AB? 02 25 52.3020494376 +13 27 54.597905316           M0.0III 3 0
13 ATO J036.9071+05.0210 LP* 02 27 37.7173948224 +05 01 15.779607312   17.998 15.867 15.336   M5.0III 6 0
14 2MASS J02284640-0021329 AB? 02 28 46.3911858432 -00 21 33.052641840   16.5 15.4     M0.0III 4 0
15 2MASS J02290778+0232373 AB? 02 29 07.7907239280 +02 32 37.361205960   17.331 15.488 15.363   M3.0III 4 1
16 2MASS J02303668+0156154 AB? 02 30 36.6844996848 +01 56 15.572571216   16.795 14.972     M0.0III 3 0
17 2MASS J02310184+0125556 AB? 02 31 01.8553081032 +01 25 55.616772036   17.418 15.732 15.520   M0.0III 4 0
18 2MASS J02314788+0220068 AB? 02 31 47.8707822624 +02 20 06.804718512   17.742 15.535     M0.0III 2 0
19 2MASS J02331164+0210009 AB? 02 33 11.6414161608 +02 10 01.026743484   16.998 15.620 15.266   M0.0III 3 0
20 ATO J038.5083+02.8075 LP* 02 34 02.0067246816 +02 48 27.369111672       15.891   M6.0III 6 0
21 ATO J039.4673-02.6361 LP* 02 37 52.1696335056 -02 38 10.192057944   17.287 15.601     M3.0III 4 0
22 2MASS J02413825+0458413 AB? 02 41 38.2570190256 +04 58 41.391696540     15.857 15.160   M0.0III 3 0
23 2MASS J02422398+1047015 AB? 02 42 23.9972792184 +10 47 01.635632952   17.617 16.070 13.435   M2.0III 3 0
24 2MASS J02441003-0153440 AB? 02 44 10.0306731600 -01 53 44.128167108   16.945 15.280 14.796   M0.0III 2 0
25 2MASS J02474983+0111360 AB? 02 47 49.8319766328 +01 11 36.101178960   17.4 16.0     M1.0III 3 0
26 2MASS J02561416+0430088 AB? 02 56 14.1633956712 +04 30 08.718256692   17.228 15.369 14.739   M0.0III 3 0
27 2MASS J02561684+0705330 AB? 02 56 16.8442248312 +07 05 32.934814080           M1.0III 2 0
28 2MASS J02582144+0526159 AB? 02 58 21.4479175056 +05 26 15.972737676   17.655 15.903     M0.0III 3 0
29 ATO J044.9303-01.3557 LP* 02 59 43.2818757144 -01 21 20.813500728   17.059 15.442 15.288   M4.0III 10 0
30 CRTS J030012.6+055044 LP* 03 00 12.6786941208 +05 50 44.359415016   17.283 15.472 15.135   M2.0III 8 1
31 2MASS J03044005+0822112 AB? 03 04 40.0510652496 +08 22 11.249545116       16.457   M0.0III 3 0
32 2MASS J03074220+0158325 AB? 03 07 42.2039336784 +01 58 32.423216808   17.657 15.928 15.605   M0.0III 3 0
33 ATO J048.3384+00.6946 AB? 03 13 21.2210321664 +00 41 40.666293600   17.340 15.442 15.051   M0.0III 8 0
34 2MASS J03143056+0031040 AB? 03 14 30.5632387200 +00 31 03.991381680   17.702 16.077 15.821   M0.0III 9 0
35 2MASS J03143135+2434186 AB? 03 14 31.3485161040 +24 34 18.696951696           M0.0III 3 0
36 2MASS J03235651+0205071 AB? 03 23 56.5098076752 +02 05 07.168865136   17.621 16.063 15.559   M0.0III 4 0
37 ATO J051.1168+26.9677 LP* 03 24 28.0313595960 +26 58 03.860517612   18.288 16.365 15.958   M2.0III 9 0
38 2MASS J03254207+1857130 AB? 03 25 42.0755079864 +18 57 13.047082560   17.432 15.885     M0.0III 2 0
39 UCAC4 564-007071 * 03 28 26.5053266304 +22 40 43.444112592   17.785 16.101     ~ 1 0
40 FASTT 106 AB? 03 33 15.6679321584 -01 26 40.632020304   17.0 15.8     M1.0III 4 0
41 2MASS J03342097+0518094 AB? 03 34 20.9777615640 +05 18 09.518287104   18.1 16.5     M2.0III 5 0
42 ZTF J034222.48+054744.5 LP* 03 42 22.4884622376 +05 47 44.515143924   16.7 15.3     M1.0III 7 0
43 2MASS J03425476+0830398 LP* 03 42 54.7782882216 +08 30 39.968515656   18.690 16.333 15.547   M0.0III 4 0
44 2MASS J03461429+1914279 AB? 03 46 14.2982359848 +19 14 28.007395836       15.959   M0.0III 3 0
45 2MASS J03502366+0339314 AB? 03 50 23.6695211256 +03 39 31.372166520           M0.0III 2 0
46 [TI98] 0351+1127 C* 03 54 16.2554631960 +11 36 20.814356124           C-N 10 0
47 2MASS J04012708+2646588 AB? 04 01 27.0827533008 +26 46 58.808028432       16.135   M0.0III 3 0
48 2MASS J04042800+1732282 AB? 04 04 28.0079240112 +17 32 28.377167100           M0.0III 2 0
49 UCAC4 529-007639 * 04 05 51.7639435104 +15 46 18.008056380           ~ 2 0
50 2MASS J04073095+1512520 * 04 07 30.9622785840 +15 12 51.895029672           ~ 1 0
51 2MASS J04100039+1556572 AB? 04 10 00.3940101096 +15 56 57.276568752           M0.0III 3 0
52 ZTF J041136.78+140151.6 LP* 04 11 36.7871601936 +14 01 51.615801552   18.4 16.8     M2.0III 6 0
53 2MASS J04171569+1424320 AB? 04 17 15.6879624648 +14 24 31.875214284           M0.0III 3 0
54 2MASS J04182547+1257209 AB? 04 18 25.4679869472 +12 57 21.058142544           M0.0III 2 0
55 2MASS J04191107+2205538 AB? 04 19 11.0694972792 +22 05 53.897408952           M0.0III 2 0
56 2MASS J04262078+1230573 AB? 04 26 20.7770879064 +12 30 57.321077580       16.108   M0.0III 3 0
57 ZTF J042855.07+171742.3 LP* 04 28 55.0723033512 +17 17 42.398543904       16.180   M2.0III 8 0
58 2MASS J04305549+1916471 AB? 04 30 55.4908051824 +19 16 47.089670628           M0.0III 3 0
59 2MASS J04330832+2035009 LP* 04 33 08.3261298744 +20 35 00.934815696           M1.0III 4 0
60 CRTS J043321.5+103836 LP* 04 33 21.5158286640 +10 38 37.194552672           M1.0III 8 1
61 2MASS J04342174+0919226 LP* 04 34 21.7453325520 +09 19 22.667385648           M5.0III 3 0
62 2MASS J04352254+1442204 AB? 04 35 22.5469128048 +14 42 20.458113264           M0.0III 4 0
63 ZTF J043623.71+194716.1 LP* 04 36 23.7147045024 +19 47 16.150006536           M0.0III 5 0
64 2MASS J04362715+1856252 AB? 04 36 27.1591815144 +18 56 25.199167956           M1.0III 3 0
65 ZTF J043941.75+172440.6 LP* 04 39 41.7513301008 +17 24 40.622366412           M1.0III 5 0
66 2MASS J04402759+1704037 AB? 04 40 27.5836775952 +17 04 03.526216968           M1.0III 4 0
67 2MASS J04421296+1535258 AB? 04 42 12.9632202264 +15 35 25.660600620           M1e 4 0
68 ZTF J044324.72+110704.4 LP* 04 43 24.7232394288 +11 07 04.357192008           M3.0III 6 0
69 2MASS J04443915+1456001 AB? 04 44 39.1604397816 +14 56 00.015476244           M1.0III 4 0
70 ZTF J044509.99+240304.8 LP* 04 45 09.9919014432 +24 03 04.848489720           M3.0III 4 0
71 ATO J071.3426+22.1044 LP* 04 45 22.2279952368 +22 06 15.891258060           M3.0III 5 0
72 2MASS J04461722+1523488 AB? 04 46 17.2121719344 +15 23 48.812830224           M0.0III 3 0
73 2MASS J04471009+2025168 AB? 04 47 10.0859629104 +20 25 16.860603036           M0.0III 4 0
74 2MASS J04475565+1620293 * 04 47 55.6489003728 +16 20 29.385994236           ~ 2 0
75 2MASS J04484621+3133460 AB? 04 48 46.2092897280 +31 33 45.957613032           M0.0III 2 0
76 2MASS J04500995+1522222 AB? 04 50 09.9482146656 +15 22 22.077603948           M2.0III 3 0
77 CRTS J045157.5+180338 AB* 04 51 57.6085913112 +18 03 38.574549720           M5.0III 7 0
78 2MASS J04544830+3004173 AB? 04 54 48.3096530736 +30 04 17.336884080           M1.0III 4 0
79 2MASS J04550765+2103435 AB? 04 55 07.6537406664 +21 03 43.615790748           M0.0III 3 0
80 2MASS J04551469+1948104 LP* 04 55 14.6974134672 +19 48 10.412687052       16.314   M1.0III 3 0
81 2MASS J05165083+2116495 LP* 05 16 50.8305517824 +21 16 49.656134064           ~ 2 0
82 2MASS J05175787+1634018 AB? 05 17 57.8649811008 +16 34 01.813494828       16.533   M0.0III 3 0
83 2MASS J05195007+1511433 AB? 05 19 50.0763977664 +15 11 43.381418784           M0.0III 3 0
84 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
85 2MASS J05254988+1722153 AB? 05 25 49.8794849040 +17 22 15.324696660           M2.0III 2 0
86 ZTF J062333.74+295058.2 LP* 06 23 33.7448004672 +29 50 58.134273360           ~ 3 0
87 2MASS J06245907+3040581 AB? 06 24 59.0810677080 +30 40 58.146196656           M0.0III 3 0
88 ZTF J062554.68+252436.4 LP* 06 25 54.6829078896 +25 24 36.356152932           M0.0III 5 0
89 2MASS J06462460+3028344 AB? 06 46 24.5990098368 +30 28 34.396877892           M0.0III 3 0
90 2MASS J06554673+2603260 AB? 06 55 46.7413656672 +26 03 26.046372276           M0.0III 2 0
91 ZTF J070138.44+301619.1 LP* 07 01 38.4483004296 +30 16 18.964318116           M4.0III 4 0
92 2MASS J07021780+2912536 AB? 07 02 17.8015391712 +29 12 53.662316976           M2.0III 2 0
93 2MASS J07093737+2015172 AB? 07 09 37.3779331368 +20 15 17.187080112       15.822   M0.0III 2 0
94 2MASS J07123071+2825573 AB? 07 12 30.7065157680 +28 25 57.343203840           M1.0III 2 0
95 2MASS J07142680+2238411 AB? 07 14 26.8059588120 +22 38 41.181094788           M0.0III 3 0
96 CRTS J072346.5+244945 AB? 07 23 46.4918492760 +24 49 45.461085960           M0.0III 4 1
97 2MASS J07300457+2736044 AB? 07 30 04.5613675968 +27 36 04.340340756           M1.0III 4 0
98 2MASS J07402465+2057539 AB? 07 40 24.6520219584 +20 57 53.892700704           M0.0III 3 0
99 2MASS J08054617+2243040 AB? 08 05 46.1856128640 +22 43 03.993310488           M0e 3 0
100 CRTS J081353.3+213220 RS* 08 13 53.3592544368 +21 32 19.751090352           M2.0III 8 0
101 2MASS J08420540+1821590 LP* 08 42 05.4158053320 +18 21 59.048983188   16.529 14.755 14.244   C: 4 0
102 2MASS J09004002+4200485 AB? 09 00 40.0207299648 +42 00 48.524998608   16.340 14.571 13.889   M0.0III 6 0
103 2MASS J09173855+1600329 AB? 09 17 38.5490310648 +16 00 32.851884240   16.437 14.824 14.514   M2.0III 2 0
104 2MASS J09341457+2126280 AB? 09 34 14.5660968648 +21 26 27.995162424   16.675 14.788 14.295   M0.0III 2 0
105 2MASS J09392740+1758063 AB? 09 39 27.3998861496 +17 58 06.497065488   16.448 14.785 14.362   M0.0III 3 0
106 2MASS J10361261+3209355 LP* 10 36 12.6260216808 +32 09 35.523094572       15.312   M0.0III 3 0
107 2MASS J10432261+1709418 AB? 10 43 22.6099617216 +17 09 41.932189296   16.319 14.682 14.311   M0.0III 2 0
108 NSVS 10291224 AB* 10 49 54.2131922016 +18 37 02.378366148       15.96   M5.0III 8 0
109 2MASS J10525387+3356353 AB? 10 52 53.8754038152 +33 56 35.404112472   16.157 14.565 14.143   M0.0III 2 0
110 2MASS J10595587+2835241 AB? 10 59 55.8634451400 +28 35 24.149759136   16.896 15.230 15.353   M1.0III 2 0
111 2MASS J11021933+1531301 AB? 11 02 19.3445347728 +15 31 30.390398868   17.239 15.487 15.058   M0.0III 2 0
112 2MASS J11065865+2551583 AB? 11 06 58.6583386056 +25 51 58.224824784   16.832 15.131 14.528   M0.0III 3 0
113 CRTS J110747.2+074507 RS* 11 07 47.2533239904 +07 45 07.157487852   17.636 15.525     M0.0III 4 0
114 2MASS J11154907+0952528 LP* 11 15 49.0829125392 +09 52 52.944035844   17.988 16.113 15.030   M1.0III 5 0
115 2MASS J11280691+2256399 AB? 11 28 06.9138438312 +22 56 40.074230184       15.972   M0.0III 2 0
116 2MASS J11335326+1500575 AB? 11 33 53.2694891832 +15 00 57.481585812   17.674 15.540 15.451   M1.0III 3 0
117 2MASS J11393417+3330582 AB? 11 39 34.1759217432 +33 30 58.359435516       15.101   M0.0III 3 0
118 ZTF J114121.43+234149.7 LP* 11 41 21.4400012136 +23 41 49.615451772   17.148 15.376 14.904   M0.0III 4 0
119 2MASS J11433939+1048405 AB? 11 43 39.3989974392 +10 48 40.452863688   18.045 16.519     M0.0III 3 0
120 2MASS J11450339+1401518 AB? 11 45 03.3933237432 +14 01 51.744522792   17.029 15.364 14.866   M0.0III 3 0
121 2MASS J11495211+1721451 AB? 11 49 52.1197463328 +17 21 45.173166948   16.564 14.972 14.577   M0.0III 2 0
122 LINEAR 2518221 AB* 11 53 41.5407799728 +23 41 10.393461708     14.63     M4.0III 10 0
123 2MASS J11551395+1320513 AB? 11 55 13.9378873440 +13 20 51.150420600   17.231 15.361 14.912   M0.0III 3 0
124 2MASS J12043697+1214135 LP* 12 04 36.9822305640 +12 14 13.528989924   16.951 14.944 14.797   M0.0III 3 0
125 2MASS J12062585+2528510 AB? 12 06 25.8533517456 +25 28 51.083953428   16.309 14.638 14.107   M0.0III 3 0
126 CRTS J120816.7+273046 AB* 12 08 16.7124867216 +27 30 45.943007832   17.12 15.57 15.59   M4.0III 9 0
127 [MAG2004] 8 C* 12 09 25.0302175464 +15 16 18.296204016   17.8 14.31     C-N 15 0
128 2MASS J12101178+1823529 AB? 12 10 11.7833946672 +18 23 52.983614400   17.479 15.702 15.280   M0.0III 9 0
129 UCAC4 511-052548 * 12 10 52.1690397216 +12 11 21.146965656       15.795   ~ 2 0
130 2MASS J12111021+0429505 AB? 12 11 10.2145257336 +04 29 50.537581980       15.715   M0.0III 2 0
131 2MASS J12203114+0009177 AB? 12 20 31.1406564000 +00 09 17.767703196   16.34       M5.0III 7 0
132 2MASS J12264066+1235093 AB? 12 26 40.6738432752 +12 35 09.289711320       15.577   M0.0III 3 0
133 2MASS J12290042+1904201 AB? 12 29 00.4194437496 +19 04 19.989270336   16.426   14.287   M0.0III 2 0
134 2MASS J12290649+0050054 AB? 12 29 06.5045813640 +00 50 05.424037296   16.373 14.683 14.395   M0.0III 2 0
135 2MASS J12310074+1617076 AB? 12 31 00.7568248248 +16 17 07.677356460   17.565 15.746 15.300   M0.0III 2 0
136 ATO J188.7316+20.4922 AB? 12 34 55.6060267800 +20 29 32.268220440       15.190   M0.0III 3 0
137 2MASS J12414347+1054059 AB? 12 41 43.4788565448 +10 54 05.857356636   17.870 16.102 15.876   M0.0III 3 0
138 2MASS J12423259+1118200 LP* 12 42 32.5936777416 +11 18 19.863674784       16.044   M3.0III 3 0
139 2MASS J12454475+0957037 AB? 12 45 44.7633514440 +09 57 03.854979684   18.130 16.381 15.720   M0.0III 3 0
140 LINEAR 8300756 AB* 12 59 16.0369924800 +08 37 47.158714740     14.67     M3.0III 8 0
141 2MASS J13023914+0411194 AB? 13 02 39.1420285080 +04 11 19.498258140       15.846   M0.0III 2 0
142 2MASS J13074922+0416547 AB? 13 07 49.2336976224 +04 16 54.738888636   17.451 15.992     M1.0III 3 0
143 2MASS J13101016+0532456 AB? 13 10 10.1757075888 +05 32 45.703859316   18.054 16.409 15.924   M0.0III 3 0
144 2MASS J13141349+0423441 LP* 13 14 13.5004678440 +04 23 44.071557432   17.269 15.499 14.861   M1.0III 3 0
145 2MASS J13173747-0739101 AB? 13 17 37.4760313704 -07 39 10.123831728           M1.0III 2 0
146 CRTS J132108.8+033234 AB* 13 21 08.9035402704 +03 32 34.440993240       16.37   M2.0III 7 0
147 ATO J201.3804+02.2014 LM* 13 25 31.3148951592 +02 12 05.058543348           M1V 6 0
148 CRTS J132620.2+025733 AB* 13 26 20.2056060744 +02 57 32.632636068   17.79 15.80 15.73   M0.0III 7 0
149 2MASS J13350102+0131539 LM* 13 35 01.0225327440 +01 31 53.949932004           M1V 6 0
150 2MASS J13355776+0024157 AB? 13 35 57.7662669384 +00 24 15.765706548   17.635 15.799 15.526   M0.0III 3 0
151 [TI98] 1339-0700 RS* 13 42 26.7982097112 -07 15 23.095730952   15.44 13.10     C-N 14 0
152 SDSS J134553.22+032554.4 LM* 13 45 53.2097366808 +03 25 54.436888560           M0 4 0
153 2MASS J13464342+0607062 AB? 13 46 43.4282279904 +06 07 06.285300960   17.989 16.349 15.891   M0.0III 3 0
154 UCAC4 436-058363 * 13 46 56.1492556872 -02 53 58.756940304       15.612   ~ 2 0
155 2MASS J13483620+0045412 AB? 13 48 36.2149696848 +00 45 41.289272316     16.371 15.685   M0.0III 3 0
156 2MASS J13545253+0552258 AB? 13 54 52.5425685744 +05 52 25.912885296     16.395 16.250   M0.0III 3 0
157 2MASS J13555643+0958310 AB? 13 55 56.4330010512 +09 58 31.054664532           M0.0III 3 0
158 UCAC4 449-055352 * 14 01 54.7247845992 -00 17 33.020002896   18.687 16.374     ~ 2 0
159 2MASS J14052338-0343145 AB? 14 05 23.3967357288 -03 43 14.552904360       16.090   M0.0III 3 0
160 2MASS J14075363+0757106 AB? 14 07 53.6399063064 +07 57 10.500931836   17.881 16.143 15.703   M0.0III 3 0
161 2MASS J14085330+0352149 LM* 14 08 53.3143177536 +03 52 15.002701896           M1V 3 0
162 CRTS J141202.6-023322 AB? 14 12 02.6267198832 -02 33 22.658045220     15.95     M5.0III 5 1
163 2MASS J14174011-0449335 AB? 14 17 40.1218827576 -04 49 33.553062804   17.983 16.406 16.044   M0.0III 3 0
164 [TI98] 1442-0058 C* 14 44 48.8665042320 -01 10 56.237885832   18.35 16.20     C-N 15 0
165 2MASS J14525424-0048261 AB? 14 52 54.2528565864 -00 48 26.117192448           M0.0III 5 0
166 2MASS J15003612+0123347 LM* 15 00 36.1446129264 +01 23 34.839136464           M1V 5 0
167 ATO J226.6102+04.7125 AB? 15 06 26.4643604328 +04 42 45.218201724           M0.0III 3 0
168 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
169 NAME SDG G 18 55 19.0 -30 32 43   4.5 3.6     ~ 2438 2
170 NAME Local Group GrG ~ ~           ~ 9325 0

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