2024MNRAS.534.3194A


Query : 2024MNRAS.534.3194A

2024MNRAS.534.3194A - Mon. Not. R. Astron. Soc., 534, 3194-3210 (2024/November-2)

Simulated analogues II: a new methodology for non-parametric matching of models to observations.

AL-BELMPEISI R., TUHTAN V., CHRISTENSEN M.B., KURUWITA R. and HAUGBOLLE T.

Abstract (from CDS):

Star formation is a multiscale problem, and only global simulations that account for the connection from the molecular cloud-scale gas flow to the accreting protostar can reflect the observed complexity of protostellar systems. Star-forming regions are characterized by supersonic turbulence, and as a result, it is not possible to simultaneously design models that account for the larger environment and in detail reproduce observed stellar systems. Instead, the stellar inventories can be matched statistically, and the best matches found that approximate specific observations. Observationally, a combination of single-dish telescopes and interferometers are now able to resolve the nearest protostellar objects on all scales from the protostellar core to the inner $10\, \mathrm{au}$. We present a new non-parametric methodology which uses high-resolution simulations and post-processing methods to match simulations and observations using deep learning. Our goal is to perform a down-selection from large data sets of synthetic images to a ranked list of best-matching candidates with respect to the observation. This is particularly useful for binary and multiple stellar systems that form in turbulent environments. The objective is to accelerate the rate at which we can do such comparisons, remove biases from hand-picking matches, and contribute to identifying the underlying physical processes that drive the creation and evolution of observed protostellar systems.

Abstract Copyright: © 2024 The Author(s). Published by Oxford University Press on behalf of Royal Astronomical Society.

Journal keyword(s): methods: numerical - binaries: general - stars: formation - stars: protostars

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 [JCC87] IRAS 2A Y*O 03 28 55.55 +31 14 36.7           ~ 513 3

Query : 2024MNRAS.534.3194A

Basic data :
[JCC87] IRAS 2A -- Young Stellar Object
Other object types:
otypes_help
smm (2013ApJ,JCMTLSG,...), Y*O (2009ApJS,[EES2009],...), MIR (AKARI,SSTc2d,...), Y*? (2015ApJS,[HL2013],...), IR (2013ApJS,[EDJ2009],...), cor (2008ApJ,[SFJ2010]), PoC ([KJD2006],[KJT2007]), mm (2009ApJ), Rad ([RAC97])
ICRS coord. (ep=J2000) :
03 28 55.55 +31 14 36.7 (Infrared) [ 300 300 90 ] C 2009ApJS..181..321E
FK4 coord. (ep=B1950 eq=1950) :
03 25 50.04 +31 04 17.6 [ 300 300 90 ]
Gal coord. (ep=J2000) :
158.33813 -20.59203 [ 300 300 90 ]
VLSR :
7.486 7.096 7.876 [0.013] (mm) 2018ApJ...869...51I
Angular size (arcmin):
1.620 1.620 0 (mm) D 2007ApJ...668.1042K
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 2
: 5
: 1265 Display criteria :

Identifiers (28) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

AKARI-IRC-V1 J0328555+311438 SSTc2d J032855.5+311436 [GMM2009] NGC 1333 21 [KJD2006] SMM J032891+31145
JCMTLSG J032855.6+311438 SSTYSV J032855.53+311436.3 [HFR2007] 44 [KJT2007] SMM J032892+31146
JCMTPP J032855.6+311434 WISEA J032855.58+311436.7 [HL2013] 052.23146+31.24354 [KJT2007] 118
JCMTSE J032855.2+311437 WISE J032855.53+311437.2 [HRF2005] 44 [KJT2007] SMM 66
JCMTSF J032855.2+311437 [EDJ2009] 168 [HSW2018] NGC 1333-2 [RAC97] VLA 7
R15-NGC 1333 J032855.53+311436.3 [EES2009] Per-emb 27 [JCC87] IRAS 2A [SFJ2010] Per-1
SSTc2d J032855.6+311437 [GMM2008] 21 [JJK2007] 15 [SK2001] 8

References (513 between 1850 and 2026) (Total 513)
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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Collections of Measurements Description of Measurements

Velocities : 2   

   

Observing logs
Herschel : 58   

   


External archives :

Data at NED - NASA/IPAC Extragalactic Database : [JCC87] IRAS 2A

Link by name to the catalogue in VizieR :

AKARI-IRC-V1 J0328555+311438 WISEA J032855.58+311436.7 WISE J032855.53+311437.2

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