2011AJ....142..171G

Query : 2011AJ....142..171G

2011AJ....142..171G - Astron. J., 142, 171 (2011/November-0)

WISEP J180026.60+013453.1: a nearby late-l dwarf near the galactic plane.

GIZIS J.E., BURGASSER A.J., FAHERTY J.K., CASTRO P.J. and SHARA M.M.

Abstract (from CDS):

We report a nearby L7.5 dwarf discovered using the Preliminary Data Release of the Wide-field Infrared Survey Explorer (WISE) and the Two Micron All Sky Survey. WISEP J180026.60+013453.1 has a motion of 0.42 arcsec/yr and an estimated distance of 8.8±1.0 pc. With this distance, it currently ranks as the sixth closest known L dwarf, although a trigonometric parallax is needed to confirm this distance. It was previously overlooked because it lies near the Galactic plane (b = 12°). As a relatively bright and nearby late L dwarf with normal near-infrared colors, W1800+0134 will serve as a benchmark for studies of cloud-related phenomena in cool substellar atmospheres.

Abstract Copyright: ∼

Journal keyword(s): brown dwarfs - infrared: stars - proper motions - stars: individual: WISEP J180026.60+013453.1

Simbad objects: 24

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Number of rows : 24
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 L 362-29 PM* 00 04 36.4375346731 -40 44 02.880162313   14.47 12.84 12.525   M4V 79 0
2 LSPM J0036+1821 BD* 00 36 16.1118891182 +18 21 10.286665966       18.451 16.053 L3.5 213 0
3 DENIS J025503.3-470049 BD* 02 55 03.6927058871 -47 00 51.356903955     22.921 19.906 17.454 L9 145 0
4 2MASS J02572581-3105523 BD* 02 57 25.8358051304 -31 05 52.195773867           L8.5 32 0
5 2MASSI J0318540-342129 BD* 03 18 54.0760885341 -34 21 29.084072887           L7 29 0
6 LP 944-20 LM* 03 39 35.2523500210 -35 25 43.641996333     18.69 16.39 13.288 M9.5Ve 289 0
7 2MASSI J0423485-041403 BD* 04 23 48.5763811987 -04 14 03.246502948           L6.5+T2 125 0
8 WISE J045853.89+643452.5 BD* 04 58 53.89392 +64 34 52.5900           T8.5 25 0
9 2MASS J05185995-2828372 BD* 05 18 59.95656 -28 28 37.2720           L6+T4 37 0
10 WISE J072227.27-054029.9 BD* 07 22 27.51096 -05 40 31.2096           T9 75 0
11 2MASS J08173001-6155158 BD* 08 17 29.9988806950 -61 55 15.658625335           T6 33 0
12 2MASSI J0825196+211552 BD* 08 25 19.6125672818 +21 15 51.549358145       21.97 19.22 L7.5V 123 0
13 2MASS J08354256-0819237 BD* 08 35 42.5314423948 -08 19 23.372129099           L6.5 67 0
14 2MASS J08575849+5708514 BD* 08 57 58.4721442289 +57 08 51.414025854           L7V 47 0
15 DENIS J112639.9-500355 BD* 11 26 39.8047127039 -50 03 54.846166563         17.800 L5.5 46 0
16 1RXS J115928.5-524717 LM* 11 59 27.3612549098 -52 47 18.911319812       16.617 14.49 M9Ve 29 0
17 2MASS J14162408+1348263 BD* 14 16 24.0739698960 +13 48 26.193281184           L5 80 0
18 2MASSW J1507476-162738 BD* 15 07 47.6758255542 -16 27 40.113982846     22.136 18.928 16.579 L5V 199 0
19 2MASS J16322911+1904407 BD* 16 32 29.11416 +19 04 40.7136       22.42 19.98 L8V 131 0
20 2MASSW J1728114+394859 BD* 17 28 11.50056 +39 48 59.3100           L5+L6.5 56 0
21 2MASS J17502484-0016151 BD* 17 50 24.8108937456 -00 16 14.995437500       19.98 17.33 L5.5 44 0
22 WISEP J180026.60+013453.1 BD* 18 00 26.4786535597 +01 34 56.895046447           L7.5 13 0
23 HD 171149 * 18 33 22.7083484664 -05 54 42.189219396   6.381 6.354     B9V 51 0
24 HD 218396 El* 23 07 28.7157209544 +21 08 03.310767492   6.21 5.953     F0+VkA5mA5 1139 0

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