Observation of two new L4 Neptune Trojans in the Dark Energy Survey supernova fields

Gerdes, D. W.

doi:10.3847/0004-6256/151/2/39

Title: Observation of two new L4 Neptune Trojans in the Dark Energy Survey supernova fields

Abstract

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 QP₄₄₁ were 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-meter Blanco telescope at Cerro Tololo Inter- American Observatory. Both are in high-inclination orbits (18.8° and 19.4° respectively). Furthermore, with an eccentricity of 0.104, 2014 QO₄₄₁ has the most eccentric orbit of the eleven known stable Neptune Trojans. We describe the search procedure and investigate the objects' long-term dynamical stability and physical properties.

Authors:

Gerdes, D. W. ^[1]

Univ. of Michigan, Ann Arbor, MI (United States). et al.

Publication Date:: Thu Jan 28 00:00:00 EST 2016

Research Org.:: Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC), High Energy Physics (HEP)

Contributing Org.:: The DES Collaboration

OSTI Identifier:: 1223238

Report Number(s):: FERMILAB-PUB-15-299-AE
Journal ID: ISSN 1538-3881; arXiv eprint number arXiv:1507.05177

Grant/Contract Number:: AC02-07CH11359

Resource Type:: Accepted Manuscript

Journal Name:: The Astronomical Journal (Online)

Additional Journal Information:: Journal Name: The Astronomical Journal (Online); Journal Volume: 151; Journal Issue: 2; Journal ID: ISSN 1538-3881

Publisher:: IOP Publishing

Country of Publication:: United States

Language:: English

Subject:: 79 ASTRONOMY AND ASTROPHYSICS; minor planets; asteroids: general

Citation Formats


                    Gerdes, D. W. Observation of two new L4 Neptune Trojans in the Dark Energy Survey supernova fields.  United States: N. p., 2016. 
Web.  doi:10.3847/0004-6256/151/2/39.

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                    Gerdes, D. W. Observation of two new L4 Neptune Trojans in the Dark Energy Survey supernova fields.  United States.  https://doi.org/10.3847/0004-6256/151/2/39

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                    Gerdes, D. W. Thu .  
"Observation of two new L4 Neptune Trojans in the Dark Energy Survey supernova fields".  United States.  https://doi.org/10.3847/0004-6256/151/2/39.  https://www.osti.gov/servlets/purl/1223238.

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@article{osti_1223238,

  title        = {Observation of two new L4 Neptune Trojans in the Dark Energy Survey supernova fields},

  author       = {Gerdes, D. W.},

  abstractNote = {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 QP441 were 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-meter Blanco telescope at Cerro Tololo Inter- American Observatory. Both are in high-inclination orbits (18.8° and 19.4° respectively). Furthermore, with an eccentricity of 0.104, 2014 QO441 has the most eccentric orbit of the eleven known stable Neptune Trojans. We describe the search procedure and investigate the objects' long-term dynamical stability and physical properties.},

  doi          = {10.3847/0004-6256/151/2/39},

  journal      = {The Astronomical Journal (Online)},

  number       = 2,

  volume       = 151,

  place        = {United States},

  year         = {Thu Jan 28 00:00:00 EST 2016},

  month        = {Thu Jan 28 00:00:00 EST 2016}

}

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Works referencing / citing this record:

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Title: Observation of two new L4 Neptune Trojans in the Dark Energy Survey supernova fields

Abstract

Citation Formats

Orbit Fitting and Uncertainties for Kuiper Belt Objects journal, December 2000

Supernova Simulations and Strategies for the dark Energy Survey journal, June 2012

SExtractor: Software for source extraction journal, June 1996

A hybrid symplectic integrator that permits close encounters between massive bodies journal, April 1999

Resonance Occupation in the Kuiper Belt: Case Examples of the 52 and Trojan Resonances journal, July 2003

Neptune Trojans as a Test Bed for Planet Formation journal, July 2005

Earth’s Trojan asteroid journal, July 2011

The Blanco Cosmology Survey: data Acquisition, Processing, Calibration, Quality Diagnostics, and data Release journal, September 2012

The Dark Energy Survey journal, June 2005

The dark Energy Camera journal, October 2015

On the Origin of the Trojan Asteroids: Effects of Jupiter's Mass Accretion and Radial Migration journal, December 2000

Automated Transient Identification in the dark Energy Survey journal, August 2015

Dynamical Effects of Planetary Migration on Primordial Trojan-Type Asteroids journal, November 1998

2004 KV 18 : a visitor from the scattered disc to the Neptune Trojan population: 2004 KV 18 : a recently captured Neptune Trojan journal, September 2012

Population and Size Distribution of Small Jovian Trojan Asteroids journal, August 2000

SNANA: A Public Software Package for Supernova Analysis journal, September 2009

The Difference Imaging Pipeline for the Transient Search in the dark Energy Survey journal, November 2015

Survival of Trojan-type companions of Neptune during primordial planet migration journal, February 2004

Cross-sections for planetary systems interacting with passing stars and binaries journal, February 2015

Capture of Trojans by a Growing Proto-Jupiter journal, January 1998

Chaotic capture of Jupiter's Trojan asteroids in the early Solar System journal, May 2005

Dynamical Effects of Drag in the Circular Restricted Three-Body Problem journal, December 1994

How Long-Lived Are the Hypothetical Trojan Populations of Saturn, Uranus, and Neptune? journal, December 2002

The intrinsic Neptune Trojan orbit distribution: Implications for the primordial disk and planet migration journal, February 2015

2011 HM 102 : DISCOVERY OF A HIGH-INCLINATION L5 NEPTUNE TROJAN IN THE SEARCH FOR A POST-PLUTO NEW HORIZONS TARGET journal, March 2013

The Effect of the Nebula on the Trojan Precursors journal, November 1993

Studies in astronomical time series analysis. II - Statistical aspects of spectral analysis of unevenly spaced data journal, December 1982

A Thick Cloud of Neptune Trojans and Their Colors journal, July 2006

Detection of a Trailing (L5) Neptune Trojan: Fig. 1 journal, August 2010

The [CLC][ITAL]u[/ITAL][/CLC][arcmin]′[CLC][ITAL]g[/ITAL][/CLC][arcmin]′[CLC][ITAL]r[/ITAL][/CLC][arcmin]′[CLC][ITAL]i[/ITAL][/CLC][arcmin]′[CLC][ITAL]z[/ITAL][/CLC][arcmin]′ Standard-Star System journal, April 2002

Period determination using phase dispersion minimization journal, September 1978

A Sedna-like body with a perihelion of 80 astronomical units journal, March 2014

The Differing Magnitude Distributions of the two Jupiter Trojan Color Populations journal, October 2014

Size Distribution of Faint Jovian L4 Trojan Asteroids journal, December 2005

The Fourth us Naval Observatory ccd Astrograph Catalog (Ucac4) journal, January 2013

The generalised Lomb-Scargle periodogram: A new formalism for the floating-mean and Keplerian periodograms journal, January 2009

Asteroid (469219) 2016 HO 3 , the smallest and closest Earth quasi-satellite journal, August 2016

The Dark Energy Survey: more than dark energy – an overview journal, March 2016

Discovery and Dynamical Analysis of an Extreme Trans-Neptunian Object with a High Orbital Inclination journal, August 2018

Dynamical Analysis of Three Distant Trans-Neptunian Objects with Similar Orbits journal, November 2018

The Dark Energy Survey: more than dark energy - an overview text, January 2016

Asteroid (469219) 2016 HO3, the smallest and closest Earth quasi-satellite text, January 2016

Dynamical Analysis of Three Distant Trans-Neptunian Objects with Similar Orbits text, January 2018

Orbit Fitting and Uncertainties for Kuiper Belt Objects
journal, December 2000

Supernova Simulations and Strategies for the dark Energy Survey
journal, June 2012

SExtractor: Software for source extraction
journal, June 1996

A hybrid symplectic integrator that permits close encounters between massive bodies
journal, April 1999

Resonance Occupation in the Kuiper Belt: Case Examples of the 52 and Trojan Resonances
journal, July 2003

Neptune Trojans as a Test Bed for Planet Formation
journal, July 2005

Earth’s Trojan asteroid
journal, July 2011

The Blanco Cosmology Survey: data Acquisition, Processing, Calibration, Quality Diagnostics, and data Release
journal, September 2012

The Dark Energy Survey
journal, June 2005

The dark Energy Camera
journal, October 2015

On the Origin of the Trojan Asteroids: Effects of Jupiter's Mass Accretion and Radial Migration
journal, December 2000

Automated Transient Identification in the dark Energy Survey
journal, August 2015

Dynamical Effects of Planetary Migration on Primordial Trojan-Type Asteroids
journal, November 1998

2004 KV ₁₈ : a visitor from the scattered disc to the Neptune Trojan population: 2004 KV ₁₈ : a recently captured Neptune Trojan
journal, September 2012

Population and Size Distribution of Small Jovian Trojan Asteroids
journal, August 2000

SNANA: A Public Software Package for Supernova Analysis
journal, September 2009

The Difference Imaging Pipeline for the Transient Search in the dark Energy Survey
journal, November 2015

Survival of Trojan-type companions of Neptune during primordial planet migration
journal, February 2004

Cross-sections for planetary systems interacting with passing stars and binaries
journal, February 2015

Capture of Trojans by a Growing Proto-Jupiter
journal, January 1998

Chaotic capture of Jupiter's Trojan asteroids in the early Solar System
journal, May 2005

Dynamical Effects of Drag in the Circular Restricted Three-Body Problem
journal, December 1994

How Long-Lived Are the Hypothetical Trojan Populations of Saturn, Uranus, and Neptune?
journal, December 2002

The intrinsic Neptune Trojan orbit distribution: Implications for the primordial disk and planet migration
journal, February 2015

2011 HM ₁₀₂ : DISCOVERY OF A HIGH-INCLINATION L5 NEPTUNE TROJAN IN THE SEARCH FOR A POST-PLUTO NEW HORIZONS TARGET
journal, March 2013

The Effect of the Nebula on the Trojan Precursors
journal, November 1993

Studies in astronomical time series analysis. II - Statistical aspects of spectral analysis of unevenly spaced data
journal, December 1982

A Thick Cloud of Neptune Trojans and Their Colors
journal, July 2006

Detection of a Trailing (L5) Neptune Trojan: Fig. 1
journal, August 2010

The [CLC][ITAL]u[/ITAL][/CLC][arcmin]′[CLC][ITAL]g[/ITAL][/CLC][arcmin]′[CLC][ITAL]r[/ITAL][/CLC][arcmin]′[CLC][ITAL]i[/ITAL][/CLC][arcmin]′[CLC][ITAL]z[/ITAL][/CLC][arcmin]′ Standard-Star System
journal, April 2002

Period determination using phase dispersion minimization
journal, September 1978

A Sedna-like body with a perihelion of 80 astronomical units
journal, March 2014

The Differing Magnitude Distributions of the two Jupiter Trojan Color Populations
journal, October 2014

Size Distribution of Faint Jovian L4 Trojan Asteroids
journal, December 2005

The Fourth us Naval Observatory ccd Astrograph Catalog (Ucac4)
journal, January 2013

The generalised Lomb-Scargle periodogram: A new formalism for the floating-mean and Keplerian periodograms
journal, January 2009

Asteroid (469219) 2016 HO ₃ , the smallest and closest Earth quasi-satellite
journal, August 2016

The Dark Energy Survey: more than dark energy – an overview
journal, March 2016

Discovery and Dynamical Analysis of an Extreme Trans-Neptunian Object with a High Orbital Inclination
journal, August 2018

Dynamical Analysis of Three Distant Trans-Neptunian Objects with Similar Orbits
journal, November 2018

The Dark Energy Survey: more than dark energy - an overview
text, January 2016

Asteroid (469219) 2016 HO3, the smallest and closest Earth quasi-satellite
text, January 2016

Dynamical Analysis of Three Distant Trans-Neptunian Objects with Similar Orbits
text, January 2018