2015ApJS..220...17K


C.D.S. - SIMBAD4 rel 1.7 - 2020.12.01CET20:38:20

2015ApJS..220...17K - Astrophys. J., Suppl. Ser., 220, 17 (2015/September-0)

Wide-field infrared polarimetry of the ρ Ophiuchi cloud core.

KWON J., TAMURA M., HOUGH J.H., NAKAJIMA Y., NISHIYAMA S., KUSAKABE N., NAGATA T. and KANDORI R.

Abstract (from CDS):

We conducted wide and deep simultaneous JHKs-band imaging polarimetry of the ρ Ophiuchi cloud complex. Aperture polarimetry in the JHKs band was conducted for 2136 sources in all three bands, of which 322 sources have significant polarizations in all the JHKsbands and have been used for a discussion of the core magnetic fields. There is a positive correlation between degrees of polarization and H - Kscolor up to H - Ks≈ 3.5. The magnetic field structures in the core region are revealed up to at least AV≈ 47 mag and are unambiguously defined in each sub-region (core) of Oph-A, Oph-B, Oph-C, Oph-E, Oph-F, and Oph-AC. Their directions, degrees of polarization, and polarization efficiencies differ but their changes are gradual; thus, the magnetic fields appear to be connected from core to core, rather than as a simple overlap of the different cloud core components. Comparing our results with the large-scale field structures obtained from previous optical polarimetric studies, we suggest that the magnetic field structures in the core were distorted by the cluster formation in this region, which may have been induced by shock compression due to wind/radiation from the Scorpius-Centaurus association.

Abstract Copyright:

Journal keyword(s): circumstellar matter - infrared: stars - ISM: individual: Ophiuchi - ISM: structure - polarization - stars: formation

VizieR on-line data: <Available at CDS (J/ApJS/220/17): table2.dat>

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 52

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Number of rows : 52

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 NGC 1333 OpC 03 29 11 +31 18.6           ~ 1235 1
2 V* V2254 Ori Or* 05 35 14.11296 -05 22 22.7316           B 291 2
3 NAME Ori Region reg 05 35 17.30 -05 23 28.0           ~ 491 0
4 NAME HH 1-2 HH 05 36 22.8 -06 46 03           ~ 200 1
5 NGC 2024 Cl* 05 41 43 -01 50.5           ~ 1077 1
6 NAME Upper Sco Association As* 16 12 -23.4           ~ 1066 1
7 NAME ASSOC II SCO As* 16 15 -24.2           ~ 1149 1
8 * rho Oph ** 16 25 35.11766 -23 26 49.8150 4.30 4.85 4.63 4.27 3.96 B2IV+B2V 616 0
9 EM* SR 4 Or* 16 25 56.1659484606 -24 20 48.239269835     12.80 11.7 10.7 K0:Ve 156 1
10 [EDJ2009] 800 Y*? 16 26 14.63 -24 25 07.5           ~ 11 0
11 Elia 2-20 TT* 16 26 18.8782824640 -24 28 19.698059817           ~ 96 1
12 CRBR 2317.5-1729 Y*O 16 26 18.98232 -24 24 14.2596           ~ 41 0
13 GSS 31 TT* 16 26 23.3694945462 -24 20 59.580653864   15.9 14.70 14.33 11.53 K0e 137 1
14 GSS 32 TT* 16 26 24.0521249616 -24 24 48.105099750       17.81 15.58 K5-K6 97 1
15 Elia 2-24 TT* 16 26 24.0896068058 -24 16 13.456681632   16.3 14.40 15.81 13.97 K6 129 1
16 [GY92] 30 Y*O 16 26 25.48920 -24 23 01.5576           ~ 39 0
17 NAME VLA 1623-243 Y*O 16 26 26.42 -24 24 30.0           ~ 375 0
18 [GY92] 93 TT* 16 26 41.2758774571 -24 40 17.853342857       15.41 13.37 M5 55 0
19 WL 18 TT* 16 26 48.9801383800 -24 38 25.150629987       19.33 17.38 M3.5 64 0
20 NAME rho Oph C Cloud MoC 16 26 53.1 -24 32 31           ~ 57 0
21 NAME rho Oph G PoC 16 26 56.1 -24 18 40           ~ 5 0
22 EM* SR 24A TT* 16 26 58.5027167088 -24 45 36.698300286       14.15 12.87 K1 92 0
23 NAME rho Oph E MoC 16 27 02.0 -24 38 31           ~ 56 0
24 WL 16 Y*O 16 27 02.33520 -24 37 27.2316           A0-F3 153 0
25 WL 10 Y*O 16 27 09.1086301538 -24 34 08.290873154           K9 65 0
26 NAME rho Oph Cloud B1 PoC 16 27 10.5 -24 29 30           ~ 51 1
27 [GY92] 232 Y*? 16 27 13.26240 -24 41 33.7128           ~ 21 0
28 [GY92] 235 Y*O 16 27 13.8208549477 -24 43 31.648188013           M3.5 38 0
29 YLW 10B Y*O 16 27 15.45432 -24 26 39.8004           ~ 48 0
30 WL 6 Y*O 16 27 21.80448 -24 29 53.3616           ~ 113 0
31 WSB 49 TT* 16 27 22.9689016105 -24 48 07.138242529   16.9   15.06 13.31 M4.25 39 0
32 NAME rho Oph B2 Cloud PoC 16 27 27.9 -24 26 29           ~ 75 1
33 YLW 16 IR 16 27 28 -24 39.5           ~ 18 0
34 Elia 2-32 Y*O 16 27 28.44576 -24 27 21.0348           K6.5 106 1
35 NAME rho Oph F MoC 16 27 37.3 -24 42 28           ~ 58 0
36 YLW 47 TT* 16 27 38.3220493264 -24 36 58.601739078       17.69 15.52 M0 87 0
37 DoAr 33 TT* 16 27 39.0127002068 -23 58 18.708241197   15.7   13.24 12.02 K4 49 0
38 ROX 27 TT* 16 27 39.4297106587 -24 39 15.527875310       15.76 14.03 M0+M4 95 0
39 [GY92] 344 Y*O 16 27 45.78672 -24 44 53.8620           M6 29 0
40 YLW 52 Y*O 16 27 51.80472 -24 31 45.5304           ~ 63 0
41 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3086 0
42 YLW 58 TT* 16 28 16.5131631203 -24 36 58.057875801   18.5   16.55 14.46 M4 85 0
43 [SSG2006] MMS126 cor 16 28 21.61 -24 36 23.4           ~ 32 0
44 EM* SR 13 Or* 16 28 45.2753496511 -24 28 18.830243306     13.60 12.40 10.9 M2e 126 0
45 LDN 1709 DNe 16 31 34.8 -24 02 55           ~ 67 0
46 LDN 1689 DNe 16 32 22.5 -24 28 29           ~ 110 0
47 LDN 1740 DNe 16 36.3 -22 06           ~ 12 0
48 LDN 1712 DNe 16 38.0 -24 26           ~ 32 0
49 LDN 1744 DNe 16 40.0 -22 16           ~ 16 0
50 LDN 1729 DNe 16 43.0 -24 06           ~ 31 0
51 LDN 1755 DNe 16 43.5 -21 58           ~ 35 0
52 LDN 1765 DNe 16 45.0 -21 15           ~ 15 0

    Equat.    Gal    SGal    Ecl

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2020.12.01-20:38:20

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