2012AJ....144..148G

Query : 2012AJ....144..148G

2012AJ....144..148G - Astron. J., 144, 148 (2012/November-0)

Spitzer photometry of WISE-selected brown dwarf and hyper-luminous infrared galaxy candidates.

GRIFFITH R.L., KIRKPATRICK J.D., EISENHARDT P.R.M., GELINO C.R., CUSHING M.C., BENFORD D., BLAIN A., BRIDGE C.R., COHEN M., CUTRI R.M., DONOSO E., JARRETT T.H., LONSDALE C., MACE G., MAINZER A., MARSH K., PADGETT D., PETTY S., RESSLER M.E., SKRUTSKIE M.F., STANFORD S.A., STERN D., TSAI C.-W., WRIGHT E.L., WU J. and YAN L.

Abstract (from CDS):

We present Spitzer 3.6 and 4.5 µm photometry and positions for a sample of 1510 brown dwarf candidates identified by the Wide-field Infrared Survey Explorer (WISE) all-sky survey. Of these, 166 have been spectroscopically classified as objects with spectral types M(1), L(7), T(146), and Y(12). Sixteen other objects are non-(sub)stellar in nature. The remainder are most likely distant L and T dwarfs lacking spectroscopic verification, other Y dwarf candidates still awaiting follow-up, and assorted other objects whose Spitzer photometry reveals them to be background sources. We present a catalog of Spitzer photometry for all astrophysical sources identified in these fields and use this catalog to identify seven fainter (4.5 µm ∼ 17.0 mag) brown dwarf candidates, which are possibly wide-field companions to the original WISE sources. To test this hypothesis, we use a sample of 919 Spitzer observations around WISE-selected high-redshift hyper-luminous infrared galaxy candidates. For this control sample, we find another six brown dwarf candidates, suggesting that the seven companion candidates are not physically associated. In fact, only one of these seven Spitzer brown dwarf candidates has a photometric distance estimate consistent with being a companion to the WISE brown dwarf candidate. Other than this, there is no evidence for any widely separated (>20 AU) ultra-cool binaries. As an adjunct to this paper, we make available a source catalog of ∼7.33x105 objects detected in all of these Spitzer follow-up fields for use by the astronomical community. The complete catalog includes the Spitzer 3.6 and 4.5 µm photometry, along with positionally matched B and R photometry from USNO-B; J, H, and Ks photometry from Two Micron All-Sky Survey; and W1, W2, W3, and W4 photometry from the WISE all-sky catalog.

Abstract Copyright: ∼

Journal keyword(s): brown dwarfs - galaxies: evolution - galaxies: high-redshift - galaxies: photometry

VizieR on-line data: <Available at CDS (J/AJ/144/148): table1.dat table2.dat table3.dat>

Nomenclature: Table 1: [GKE2012] JHHMMSS.ss+DDMMSS.s N=1510. Table 2: [GKE2012] JHHMMSS.s+DDMMSS.s N=906.

CDS comments: Table 1 : only spectroscopically confirmed brown dwarfs have been processed in Simbad. Tables 2 and 3 will not be ingested in Simbad.

Simbad objects: 188

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Number of rows : 188
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 WISEP J000849.76-173922.6 BD* 00 08 49.728528 -17 39 25.15068           T6 7 0
2 WISE J003829.05+275852.1 BD* 00 38 29.08541 +27 58 50.9377           T9 11 0
3 WISE J003830.54+840517.7 BD* 00 38 30.54648 +84 05 17.7036           T6 5 0
4 ULAS J092906.75+040957.7 BD* 00 41 11.2800000 +09 29 06.921360           T5.5 14 0
5 2MASS J00454267+3611406 BD* 00 45 42.67440 +36 11 40.6680           T5 9 0
6 2MASS J00492826+0440575 BD* 00 49 28.26768 +04 40 57.5688           L9 18 0
7 WISE J004945.61+215120.0 BD* 00 49 46.08792 +21 51 20.4300           T8.5 17 0
8 2MASS J01063737+1518556 LM* 01 06 37.3251796803 +15 18 54.943644450           M8pec 13 0
9 WISEP J012333.21+414203.9 BD* 01 23 32.71910 +41 42 03.6667           T7 11 0
10 WISE J013525.64+171503.4 BD* 01 35 25.91724 +17 15 06.1901           T6 10 0
11 2MASS J01383648-0322181 BD* 01 38 36.48216 -03 22 18.1308           T3 19 0
12 WISE J014656.66+423410.0 BD* 01 46 57.11133 +42 34 10.3423           Y+T 29 0
13 WISE J014807.25-720258.7 BD* 01 48 07.25544 -72 02 58.7472           T9.5 20 0
14 SIMP J0150099+382725 BD* 01 50 09.97272 +38 27 25.9308           T0 20 0
15 2MASS J02062493+2640237 BD* 02 06 24.93192 +26 40 23.7540           L9pec 22 0
16 WISE J022105.97+384203.2 BD* 02 21 05.83343 +38 42 03.9510           T6.5 9 0
17 WISE J022322.36-293257.2 BD* 02 23 22.74767 -29 33 00.5868           T7.5 12 0
18 WISE J022623.98-021142.8 BD* 02 26 24.20327 -02 11 37.6603           T7 10 0
19 2MASS J02331819+3030308 BD* 02 33 18.19728 +30 30 30.8988           T6 8 0
20 SSTU J023959.80+704020.4 BD? 02 39 59.80 +70 40 20.4           ~ 1 0
21 WISE J024512.62-345047.8 BD* 02 45 12.69751 -34 50 47.5497           T8 8 0
22 WISE J024714.52+372523.5 BD* 02 47 14.53502 +37 25 23.9234           T8 16 0
23 2MASS J02540788+0223563 BD* 02 54 07.88640 +02 23 56.3460           T8.0 35 0
24 WISE J025934.00-034645.7 BD* 02 59 34.00104 -03 46 45.7392           T5 4 0
25 SSTU J030221.10+021609.8 G 03 02 21.10 +02 16 09.8           ~ 1 0
26 SSTU J030426.60+433110.9 BD? 03 04 26.60 +43 31 10.9           ~ 1 0
27 WISE J030533.51+395434.6 BD* 03 05 33.30802 +39 54 34.5337           T6 9 0
28 CWISE J030724.57+290447.2 BD* 03 07 24.61056 +29 04 47.4708           T6.5 9 0
29 WISEP J031325.96+780744.2 BD* 03 13 25.80778 +78 07 43.8415           T8.5 22 0
30 SSTU J031452.00-535241.9 G 03 14 52.00 -53 52 41.9           ~ 1 0
31 2MASS J03161478+3820115 BD* 03 16 14.78496 +38 20 11.5440           T3 8 0
32 WISE J031624.35+430709.1 BD* 03 16 24.05570 +43 07 10.8174           T8 12 0
33 WISE J032120.91-734758.8 BD* 03 21 20.91528 -73 47 58.8912           T8 7 0
34 WISE J032337.53-602554.5 BD* 03 23 36.83097 -60 25 52.7766           T8.5 7 0
35 WISE J032517.69-385454.1 BD* 03 25 17.42674 -38 54 53.0416           T9 9 0
36 WISE J032547.72+083118.2 BD* 03 25 47.64987 +08 31 18.6369           T7 12 0
37 2MASS J03334951-5856118 BD* 03 33 49.51632 -58 56 11.8428           T3 7 0
38 WISEA J033515.07+431044.7 BD* 03 35 14.26970 +43 10 53.2202           T9 20 0
39 WISE J033605.05-014350.4 BD* 03 36 05.24056 -01 43 38.7643           Y0 22 0
40 2MASS J03365177+2826315 BD* 03 36 51.77016 +28 26 31.5672           T5 8 0
41 WISE J035000.32-565830.2 BD* 03 50 00.59649 -56 58 24.2429           Y1 35 0
42 WISE J035358.23+375458.5 MIR 03 53 58.240 +37 54 58.55           ~ 1 0
43 WISE J035934.06-540154.6 BD* 03 59 34.24998 -54 01 46.4287           Y0 43 0
44 WISE J041022.71+150248.4 BD* 04 10 22.07612 +15 03 10.9840           Y0 45 0
45 WISE J041054.48+141131.1 BD* 04 10 54.47928 +14 11 31.8984           T6 9 0
46 SSTU J041209.30+694524.1 G 04 12 09.30 +69 45 24.1           ~ 1 0
47 WISE J041358.14-475039.3 BD* 04 13 58.03476 -47 50 42.6935           T9 14 0
48 WISE J044853.28-193548.6 BD* 04 48 52.64780 -19 35 56.3753           T5pec 11 0
49 WISE J045853.89+643452.5 BD* 04 58 53.57916 +64 34 49.5816           T8.5 32 0
50 WISEP J050003.05-122343.2 BD* 05 00 03.42278 -12 23 48.2755           T8 10 0
51 2MASS J05131727+0608190 BD* 05 13 17.27592 +06 08 19.0248           T6.5 10 0
52 SSTU J052439.30+464631.2 BD? 05 24 39.30 +46 46 31.2           ~ 1 0
53 WISE J052536.35+673952.6 BD* 05 25 36.35736 +67 39 52.6752           T6pec 7 0
54 WISE J052844.51-330823.9 BD* 05 28 44.50033 -33 08 24.3420           T7pec 9 0
55 WISE J053516.80-750024.9 BD* 05 35 17.10668 -75 00 24.5878           Y1:+ 37 0
56 WISEP J053957.02-103436.5 BD* 05 39 56.951808 -10 34 38.64396           T5.5 4 0
57 2MASS J05423145-1628323 BD* 05 42 31.45032 -16 28 32.3436           T6.5 13 0
58 2MASS J05460119-0959472 BD* 05 46 01.19976 -09 59 47.2092           T5 7 0
59 2MASS J05514604-4434128 ** 05 51 46.04880 -44 34 12.8244           M8.5+L0 17 0
60 WISE J061135.13-041024.0 BD* 06 11 35.07672 -04 10 20.8056           L9+T1.5 12 0
61 2MASS J06120867-4920286 BD* 06 12 08.67432 -49 20 28.6980           T3.5 4 0
62 WISE J061213.85-303612.5 BD* 06 12 13.85880 -30 36 12.6324           T6 9 0
63 WISE J061407.49+391235.9 BD* 06 14 07.49184 +39 12 35.9928           T6 12 0
64 2MASS J06143845+0951408 BD* 06 14 38.45160 +09 51 40.8168           T7 12 1
65 WISEP J062309.94-045624.6 BD* 06 23 09.682704 -04 56 23.52372           T8 19 0
66 2MASS J06254230+5646268 BD* 06 25 42.30744 +56 46 26.8320           T6 10 0
67 2MASS J06272007-1114241 BD* 06 27 20.07960 -11 14 24.1152           T6 16 0
68 2MASS J06420559+4101599 BD* 06 42 05.59200 +41 01 59.9988           L9 24 0
69 WISE J064723.23-623235.5 BD* 06 47 23.22644 -62 32 39.7006           Y1 24 0
70 2MASS J06560926+4205301 BD* 06 56 09.26952 +42 05 30.1524           T3 15 0
71 2MASS J07015983+6321322 BD* 07 01 59.83752 +63 21 32.2812           T3 8 0
72 WISE J071322.55-291751.9 BD* 07 13 22.28092 -29 17 47.7370           Y0 24 0
73 WISE J072312.44+340313.5 BD* 07 23 12.48499 +34 03 17.0147           T9: 9 0
74 WISE J073347.94+754439.2 BD* 07 33 47.94288 +75 44 39.2532           T6 5 0
75 WISE J073444.02-715744.0 BD* 07 34 45.26673 -71 57 43.4314           Y0 26 0
76 WISE J074457.25+562821.0 BD* 07 44 57.06831 +56 28 28.9975           T8 11 0
77 ULAS J075003.88+272545.4 BD* 07 50 03.44160 +27 25 43.2840           T8.5 15 0
78 L 34-26 B BD* 07 51 08.74800 -76 34 50.2968           T9 43 0
79 2MASS J07542987+7909546 BD* 07 54 29.87616 +79 09 54.6084           T2p? 16 0
80 WISE J075946.98-490454.0 BD* 07 59 47.37747 -49 04 56.7180           T8 10 0
81 WISE J081117.81-805141.3 BD* 08 11 17.81808 -80 51 41.3856           T9.5: 20 1
82 WISE J081220.04+402106.2 BD* 08 12 19.86027 +40 21 05.8596           T8 10 0
83 2MASS J08195820-0335266 BD* 08 19 58.20648 -03 35 26.6460           T4 23 0
84 2MASS J08213173+1443231 BD* 08 21 31.73256 +14 43 23.1312           T5.5 11 0
85 SSTU J082151.30+234517.1 G 08 21 51.30 +23 45 17.1           ~ 1 0
86 WISEA J082507.37+280548.2 BD* 08 25 07.40427 +28 05 50.8636           Y0.5 21 0
87 WISE J083641.10-185947.0 BD* 08 36 41.20406 -18 59 45.1583           T8pec 12 0
88 LP 486-16 ** 08 50 19.149960 +10 56 43.50408   17.64 15.92 15.25   M5e+M6e 21 0
89 2MASS J08503593+1057156 BD* 08 50 35.93400 +10 57 15.6168       22.466 20.349 L6.5+L8.5 85 0
90 WISE J085716.24+560407.6 BD* 08 57 17.10196 +56 04 10.0604           T8 14 0
91 WISE J090649.35+473538.5 BD* 09 06 49.92664 +47 35 46.0294           T8 9 0
92 WISE J095259.29+195508.1 BD* 09 52 59.31862 +19 55 08.8574           T6 10 0
93 WISE J101808.04-244557.9 BD* 10 18 08.00535 -24 45 49.3470           T8 9 0
94 2MASS J10190575+6529526 BD* 10 19 05.75424 +65 29 52.6956           T6 13 0
95 WISE J103907.73-160002.9 BD* 10 39 07.88280 -16 00 01.5876           T7.5 12 0
96 WISE J104245.23-384238.3 BD* 10 42 45.23088 -38 42 38.3292           T8.5 14 0
97 WISEA J105130.02-213859.9 BD* 10 51 29.92545 -21 38 57.9890           T8.5 10 0
98 * ksi UMa C BD* 11 18 38.70096 +31 25 37.9200           T8.5 23 2
99 2MASS J11225550+2550250 BD* 11 22 55.50384 +25 50 25.0728           T6 33 0
100 WISE J115013.85+630241.5 BD* 11 50 13.23085 +63 02 47.1108           T8 14 0
101 WISE J121756.90+162640.8 BD* 12 17 56.35451 +16 26 53.6955           T9+Y0 51 0
102 2MASS J12255900-1013413 BD* 12 25 59.00760 -10 13 41.3292           T6 11 0
103 WISEP J131106.24+012252.4 BD* 13 11 06.30240 +01 22 51.9337           T9: 14 0
104 2MASS J13114227+3629235 BD* 13 11 42.2191196845 +36 29 23.661910787           L6.8V 15 1
105 WISEA J131833.96-175826.3 BD* 13 18 34.37398 -17 58 26.4068           T8 10 0
106 WISEP J132004.16+603426.2 BD* 13 20 04.16448 +60 34 26.3028           T6.5 8 0
107 WISE J132233.64-234016.8 BD* 13 22 33.64200 -23 40 16.8672           T8 14 0
108 2MASS J13480677+6603315 BD* 13 48 06.77664 +66 03 31.5432           L9 7 0
109 SSTU J135942.70-233235.6 BD? 13 59 42.70 -23 32 35.6           ~ 1 0
110 2MASS J14003541-3850109 BD* 14 00 35.41560 -38 50 10.9824           T4 7 0
111 WISE J140518.39+553421.3 BD* 14 05 21.24937 +55 34 18.8785           Y0(pec?) 66 0
112 WISE J141127.45-612925.6 MIR 14 11 27.442 -61 29 25.55           ~ 1 0
113 WISE J143602.20-181421.9 BD* 14 36 02.24939 -18 14 21.0093           T8pec 11 0
114 SDSS J144901.97+114712.3 BD* 14 49 01.96848 +11 47 12.3504           T5 11 0
115 WISEP J145715.03+581510.2 BD* 14 57 14.791656 +58 15 09.96228           T7 15 0
116 2MASS J15050230-2853408 BD* 15 05 02.30904 -28 53 40.8084           T1.5 9 0
117 2MASS J15065257+7027247 BD* 15 06 52.4405555587 +70 27 25.151283824           T6 23 0
118 ULAS J151721.12+052929.0 BD* 15 17 21.14875 +05 29 27.2108           T8 12 0
119 WISE J151906.63+700931.4 BD* 15 19 05.97911 +70 09 36.5346           T8 8 0
120 WISE J152305.10+312537.6 BD* 15 23 05.02140 +31 25 42.8504           T6.5pec 11 0
121 WISE J154151.65-225024.9 BD* 15 41 52.28912 -22 50 24.7060           Y0 59 0
122 WISE J154214.00+223005.2 BD* 15 42 14.71369 +22 30 09.2468           T9.5 17 0
123 WISE J154352.78-043909.5 BD* 15 43 52.83336 -04 39 09.3384           T4.5 6 0
124 WISE J154459.27+584204.5 BD* 15 44 59.36285 +58 42 10.2349           T7.5 9 0
125 WISE J161215.94-342028.5 BD* 16 12 16.17205 -34 20 22.4275           T6.5 8 0
126 WISE J161441.46+173935.5 BD* 16 14 41.07507 +17 39 40.4808           T9 18 0
127 WISE J161705.74+180714.1 BD* 16 17 05.774328 +18 07 14.08440           T8 22 0
128 2MASS J16220887-0959352 BD* 16 22 08.87376 -09 59 35.2896           T6 9 0
129 2MASS J16254152+1528140 BD* 16 25 41.52984 +15 28 14.0340           T4.5 6 0
130 2MASS J16272573+3255288 BD* 16 27 25.73040 +32 55 28.8696           T6 15 0
131 2MASS J16291840+0335371 BD* 16 29 18.40896 +03 35 37.1040           T2 34 0
132 SSTU J162950.00+254525.9 BD? 16 29 50.00 +25 45 25.9           ~ 1 0
133 2MASS J16323642+0329269 BD* 16 32 36.42672 +03 29 26.9520           T5 8 0
134 2MASS J16471580+5632057 BD* 16 47 15.80544 +56 32 05.7264           L9pec 39 0
135 WISE J165311.05+444422.8 BD* 16 53 11.09020 +44 44 26.8349           T8 18 0
136 SSTU J165342.80-160010.0 BD? 16 53 42.80 -16 00 10.0           ~ 1 0
137 2MASS J17074571-1744523 BD* 17 07 45.71904 -17 44 52.3572           T5: 11 1
138 WISE J171104.60+350036.8 BD* 17 11 04.72800 +35 00 37.6328           T8+T9.5 26 0
139 WISE J171717.02+612859.3 BD* 17 17 16.84188 +61 28 59.7907           T8 7 0
140 WISE J172844.93+571642.7 BD* 17 28 45.003840 +57 16 43.48704           T6 7 0
141 WISE J173035.99+420742.5 BD* 17 30 35.99232 +42 07 42.5820           T0p? 5 0
142 2MASS J17342109+5023472 BD* 17 34 21.09480 +50 23 47.2488           T4 7 0
143 WISE J173835.53+273259.0 BD* 17 38 35.27114 +27 33 02.3494           Y0 70 0
144 WISE J174113.12+132711.9 BD* 17 41 13.128216 +13 27 11.23092           T5 5 0
145 WISEP J174124.25+255319.5 BD* 17 41 24.62064 +25 53 34.3608           T9 32 1
146 2MASS J17430367+4211558 BD* 17 43 03.67392 +42 11 55.8276           T4.5 12 0
147 WISE J174640.78-033818.0 BD* 17 46 40.77648 -03 38 16.7339           T6 9 0
148 2MASS J17551062+1803203 BD* 17 55 10.62048 +18 03 20.3076           T2 14 0
149 WISEP J180435.40+311706.1 BD* 18 04 35.56136 +31 17 06.4099           T9.5: 13 0
150 WISE J180901.07+383805.4 BD* 18 09 00.885624 +38 38 03.33564           T7.5 12 0
151 WISE J181210.85+272144.3 BD* 18 12 10.82400 +27 21 44.3376           T8.5: 17 0
152 SSTU J182238.60-675003.9 BD? 18 22 38.60 -67 50 03.9           ~ 1 0
153 WISE J182831.08+265037.7 BD* 18 28 30.30897 +26 50 36.0751           Y0 76 0
154 PSO J277.7441+45.7160 BD* 18 30 58.56912 +45 42 57.4596           L9 8 0
155 WISE J184124.73+700038.0 BD* 18 41 24.88833 +70 00 32.5635           T5+T5 10 0
156 2MASS J18521552+3537196 BD* 18 52 15.52368 +35 37 19.6032           T7 13 0
157 2MASS J19062476+4508112 BD* 19 06 24.76512 +45 08 11.2668           T6 13 0
158 WISE J191359.78+644456.6 BD* 19 13 59.78472 +64 44 56.6196           T5: 4 0
159 WISE J195246.65+724000.8 BD* 19 52 46.65984 +72 40 00.8868           T4 7 0
160 2MASS J19590564-3338314 BD* 19 59 05.64912 -33 38 31.4412           T8 16 0
161 WISE J201404.13+042408.5 BD* 20 14 04.52908 +04 24 05.1945           T6.5pec 14 0
162 WISE J201547.05+664646.0 BD* 20 15 45.53646 +66 46 40.0973           T8 8 1
163 WISE J201824.97-742327.5 BD* 20 18 25.13040 -74 23 29.8392           T7 12 0
164 WISE J201920.76-114807.5 BD* 20 19 20.49594 -11 48 06.8871           T8: 9 0
165 SSTU J203838.10-174949.1 G 20 38 38.10 -17 49 49.1           ~ 1 0
166 WISE J205628.91+145953.2 BD* 20 56 28.31061 +14 59 47.8010           Y0 58 0
167 WISEP J213456.73-713743.6 BD* 21 34 56.73720 -71 37 44.5800           T9pec 14 0
168 SSTU J214145.50+012014.5 G 21 41 45.50 +01 20 14.5           ~ 1 0
169 WISE J215751.35+265931.4 BD* 21 57 51.29882 +26 59 32.2968           T7 12 0
170 WISE J220905.73+271143.9 BD* 22 09 04.80497 +27 11 58.1425           Y0: 27 0
171 WISEA J220922.09-273439.9 BD* 22 09 22.70630 -27 34 35.2091           T7 12 0
172 WISEP J221354.69+091139.4 BD* 22 13 54.655176 +09 11 39.37344           T7 14 0
173 WISE J222055.31-362817.4 BD* 22 20 55.07340 -36 28 16.5229           Y0 26 0
174 WISEP J222623.05+044003.9 BD* 22 26 23.06256 +04 40 04.1196           T8 17 0
175 2MASS J22372056+7228351 BD* 22 37 20.56488 +72 28 35.1840           T6 10 0
176 WISEP J223729.53-061434.2 BD* 22 37 29.547288 -06 14 33.84168           T5 7 0
177 2MASS J22393718+1617127 BD* 22 39 37.18608 +16 17 12.7500           T3 21 0
178 WISE J225540.75-311842.0 BD* 22 55 40.48938 -31 18 40.3707           T8 17 0
179 2MASS J23013338+0216359 BD* 23 01 33.38184 +02 16 35.9544           T6.5 11 0
180 WISE J231336.38-803700.1 BD* 23 13 35.23754 -80 36 56.1420           T8 12 0
181 WISEP J231939.13-184404.3 BD* 23 19 39.08896 -18 44 05.9733           T7.5 12 0
182 WISEP J232519.54-410534.9 BD* 23 25 19.53840 -41 05 35.0592           T9pec 20 0
183 2MASS J23272850-2730573 BD* 23 27 28.50960 -27 30 57.3624           L9 12 0
184 2MASS J23402648-0745049 BD* 23 40 26.48376 -07 45 04.9464           T7 14 0
185 2MASS J23435046-7418485 BD* 23 43 50.46552 -74 18 48.5424           T6 9 0
186 WISEP J234446.25+103415.8 BD* 23 44 45.56057 +10 34 15.8788           T9 9 0
187 WISEP J234841.10-102844.4 BD* 23 48 41.302536 -10 28 43.25052           T7 14 0
188 2MASS J23594034-7335055 BD* 23 59 40.34928 -73 35 05.5032           T5.5 10 0

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