2004A&A...415.1039O


C.D.S. - SIMBAD4 rel 1.7 - 2021.03.01CET09:12:45

2004A&A...415.1039O - Astronomy and Astrophysics, volume 415, 1039-1049 (2004/3-1)

A study of the Galactic star forming region IRAS 02593+6016/S 201 in infrared and radio wavelengths.

OJHA D.K., GHOSH S.K., KULKARNI V.K., TESTI L., VERMA R.P. and VIG S.

Abstract (from CDS):

We present infrared and radio continuum observations of the S 201 star forming region. A massive star cluster is seen, which contains different classes of young stellar objects. The near-infrared colour-colour and colour-magnitude diagrams are studied to determine the nature of these sources. We have discovered knots of molecular hydrogen emission at 2.122µm in the central region of S 201. These knots are clearly seen along the diffuse emission to the north-west and are probably obscured Herbig-Haro objects. High sensitivity and high resolution radio continuum images from GMRT observations at 610 and 1280MHz show an arc-shaped structure due to the interaction between the HII region and the adjacent molecular cloud. The ionization front at the interface between the HII region and the molecular cloud is clearly seen comparing the radio, molecular hydrogen and Brγ images. The emission from the carriers of Unidentified Infrared Bands in the mid-infrared 6-9 µm (possibly due to PAHs) as extracted from the Midcourse Space Experiment survey (at 8, 12, 14 and 21µm) is compared with the radio emission. The HIRES processed IRAS maps at 12, 25, 60 and 100µm have also been used for comparison. The spatial distribution of the temperature and the optical depth of the warm dust component around the S 201 region has been generated from the mid-infrared images.

Abstract Copyright:

Journal keyword(s): Herbig-Haro objects - stars: formation - ISM: individual objects: S 201

Nomenclature: Figs: [OGK2004] N (Nos 1-3). Table 1: [OGK2004] BHHMMSS.ss+DDMMSS.s N=5. Text, Figs.: [OGK2004] BHHMMSS+DDMMSS N=1.

Errata: erratum vol. 429, p. 961 (2005)

CDS comments: Star cluster = [OGK2004] B025523+600409 in SIMBAD. Coordinates are corrected in erratum.

Simbad objects: 14

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Number of rows : 14

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 Feige 11 HS* 01 04 21.6744758331 +04 13 37.051396308 10.847 11.826 12.065 12.183 12.324 sdB2VIHe4 113 0
2 3C 48 QSO 01 37 41.2995845985 +33 09 35.079126038   16.62 16.20     ~ 2563 2
3 IC 1848 OpC 02 51 06 +60 24.6   6.87 6.5     ~ 451 2
4 [OGK2004] B025523+600409 Cl* 02 59 18 +60 16.1           ~ 1 0
5 2MASS J03031006+6027429 * 03 03 10.0591590772 +60 27 42.905524379           B2.5 1 1
6 2MASS J03031387+6028092 Y*? 03 03 13.8831414060 +60 28 09.155931808           K1.5 4 1
7 [OGK2004] B025917.82+601556.0 * 03 03 15.05 +60 27 40.8           B4 1 1
8 2MASS J03031615+6027502 Y*? 03 03 16.160 +60 27 50.28           ~ 3 1
9 SH 2-201 HII 03 03 17.9 +60 27 52           ~ 112 0
10 [BSD80] 025922.4+601612 Mas 03 03 19.7 +60 27 57           ~ 2 1
11 [OGK2004] 1 * 03 03 19.78 +60 27 53.9           B1 1 1
12 HD 26077 * 04 11 05.3981208374 +60 10 24.869290913   8.85 8.74     A0 10 0
13 2C 396 QSO 04 32 36.5025939 +41 38 28.449052     20.0     ~ 210 1
14 ICRF J054236.1+495107 Sy1 05 42 36.13789843 +49 51 07.2337251   18.45 17.80 17.210   ~ 1300 1

    Equat.    Gal    SGal    Ecl

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