2016AJ....151...39G

Query : 2016AJ....151...39G

2016AJ....151...39G - Astron. J., 151, 39 (2016/February-0)

Observation of two new L4 Neptune trojans in the dark energy survey supernova fields.

GERDES D.W., JENNINGS R.J., BERNSTEIN G.M., SAKO M., ADAMS F., GOLDSTEIN D., KESSLER R., HAMILTON S., ABBOTT T., ABDALLA F.B., ALLAM S., BENOIT-LEVY A., BERTIN E., BROOKS D., BUCKLEY-GEER E., BURKE D.L., CAPOZZI D., CARNERO ROSELL A., CARRASCO KIND M., CARRETERO J., CUNHA C.E., D'ANDREA C.B., DA COSTA L.N., DEPOY D.L., DESAI S., DIETRICH J.P., DOEL P., EIFLER T.F., FAUSTI NETO A., FLAUGHER B., FRIEMAN J., GAZTANAGA E., GRUEN D., GRUENDL R.A., GUTIERREZ G., HONSCHEID K., JAMES D.J., KUEHN K., KUROPATKIN N., LAHAV O., LI T.S., MAIA M.A.G., MARCH M., MARTINI P., MILLER C.J., MIQUEL R., NICHOL R.C., NORD B., OGANDO R., PLAZAS A.A., ROMER A.K., ROODMAN A., SANCHEZ E., SANTIAGO B., SCHUBNELL M., SEVILLA-NOARBE I., SMITH R.C., SOARES-SANTOS M., SOBREIRA F., SUCHYTA E., SWANSON M.E.C., TARLE G., THALER J., WALKER A.R., WESTER W., ZHANG Y. (The DES Collaboration)

Abstract (from CDS):

We report the discovery of the eighth and ninth known Trojans in stable orbits around Neptune's leading Lagrange point, L4. The objects 2014 QO441 and 2014 QP441were detected in data obtained during the 2013-14 and 2014-15 observing seasons by the Dark Energy Survey, using the Dark Energy Camera (DECam) on the 4-m Blanco telescope at Cerro Tololo Inter-American Observatory. Both are in high-inclination orbits (18.°8 and 19.°4, respectively). With an eccentricity of 0.104, 2014 QO441has the most eccentric orbit of the 11 known stable Neptune Trojans. Here we describe the search procedure and investigate the objects' long-term dynamical stability and physical properties.

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Journal keyword(s): minor planets, asteroids: general

Simbad objects: 1

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Number of rows : 1
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 XMM-LSS Field reg 02 18 00 -07 00.0           ~ 347 0

Query : 2016AJ....151...39G

Basic data :
NAME XMM-LSS Field -- Region defined in the Sky
Other object types: otypes_help 		reg ()
ICRS coord. (ep=J2000) : 		02 18 00.0 -07 00 00 [ ] E 2004JCAP....9...11P
FK4 coord. (ep=B1950 eq=1950) : 		02 15 30.9 -07 13 49 [ ]
Gal coord. (ep=J2000) : 		172.4681 -61.2423 [ ]
Angular size (arcmin): 		480.0 480.0 0 (~) D 2004JCAP....9...11P
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Identifiers (1) :
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NAME XMM-LSS Field

References (347 between 1850 and 2026) (Total 347)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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