2022RNAAS...6..180J

Query : 2022RNAAS...6..180J

2022RNAAS...6..180J - Research Notes of the AAS, 6, 180 (2022/September-0)

Smallest Scale Clumpy Star Formation in Stephan's Quintet Revealed from UV and IR Imaging.

JOSEPH P., GEORGE K., SUBRAMANIAN S., MONDAL C. and SUBRAMANIAM A.

Abstract (from CDS):

The spatial distribution and physical sizes of star-forming clumps at the smallest scales provide valuable information on hierarchical star formation (SF). In this context, we report the sites of ongoing SF at ∼120 pc along the interacting galaxies in Stephan's Quintet compact group using AstroSat-UVIT and JWST data. Since ultraviolet radiation is a direct tracer of recent SF, we identified star-forming clumps in this compact group from the FUV imaging which we used to guide us to detect star-forming regions on JWST IR images. The FUV imaging reveals star-forming regions within which we detect smaller clumps from the higher spatial resolution images of JWST, likely produced by PAH molecules and dust ionized by FUV emission from young massive stars. This analysis reveals the importance of FUV imaging data in identifying star-forming regions in the highest spatial resolution IR imaging available.

Abstract Copyright: © 2022. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Star formation - Ultraviolet astronomy

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 Stephan's Quintet CGG 22 35 57.5 +33 57 36           ~ 480 1

Query : 2022RNAAS...6..180J

Basic data :
NAME Stephan's Quintet -- Compact Group of Galaxies
Other object types: otypes_help 		G (), CGG (1982ApJ,MLCG,...), ClG (2021A&A,BAX,...), GrG (HCG,RSCG,...), C?G (XCLASS), X (RX)
ICRS coord. (ep=J2000) : 		22 35 57.5 +33 57 36 [ ] D 2001ApJ...554L.129M
FK4 coord. (ep=B1950 eq=1950) : 		22 33 40.0 +33 42 02 [ ]
Gal coord. (ep=J2000) : 		093.2556 -20.9895 [ ]
Radial velocity / Redshift / cz : 		V(km/s) 6376 [180] / z(spectroscopic) 0.0215 [0.0006] / cz 6446 [180]
   (Opt) D 2016ApJS..225...23S
Angular size (arcmin): 		3.2 3.2 90 (Opt) D 1982ApJ...255..382H
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 49 		Display criteria :

Identifiers (11) :
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HCG 92 NAME Stephan's Quartet RX J2236.0+3358 XCLASS 22792
BAX 338.9896+33.9599 NAME Stephan's Quintet V1CG 616 [FK2002] 279
MLCG 1407 RSCG 82 WBL 683

References (480 between 1850 and 2026) (Total 480)
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 : 7    Distance : 1   

   

Observing logs
Herschel : 8    ISO : 3    XMM : 2   

   

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : NAME Stephan's Quintet

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