2010A&A...518L.123L


Query : 2010A&A...518L.123L

2010A&A...518L.123L - Astronomy and Astrophysics, volume 518, L123-123 (2010/7-2)

The structured environments of embedded star-forming cores. PACS and SPIRE mapping of the enigmatic outflow source UYSO 1.

LINZ H., KRAUSE O., BEUTHER H., HENNING T., KLEIN R., NIELBOCK M., STECKLUM B., STEINACKER J. and STUTZ A.

Abstract (from CDS):

The intermediate-mass star-forming core UYSO 1 has previously been found to exhibit intriguing features. While deeply embedded and previously only identified by means of its (sub-)millimeter emission, it drives two powerful, dynamically young, molecular outflows. Although the process of star formation has obviously started, the chemical composition is still pristine. We present Herschel PACS and SPIRE continuum data of this presumably very young region. The now complete coverage of the spectral energy peak allows us to precisely constrain the elevated temperature of 26-28K for the main bulge of gas associated with UYSO1, which is located at the interface between the hot HII region Sh 2-297 and the cold dark nebula LDN 1657A. Furthermore, the data identify cooler compact far-infrared sources of just a few solar masses, hidden in this neighbouring dark cloud.

Abstract Copyright:

Journal keyword(s): stars: formation - infrared: stars: - infrared: ISM - ISM: structure - stars: individual: NAME UYSO 1

Nomenclature: Fig. 4, Tables 1-2: [LKB2010] LDN 1657A-N (Nos 1-5).

Simbad objects: 13

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Number of rows : 13
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 [LKB2010] LDN 1657A-1 cor 07 04 57.14 -12 16 57.4           ~ 2 0
2 [LKB2010] LDN 1657A-2 cor 07 04 58.03 -12 16 50.8           ~ 2 0
3 [LKB2010] LDN 1657A-3 cor 07 05 00.69 -12 16 44.7           ~ 4 0
4 [LKB2010] LDN 1657A-4 cor 07 05 03.50 -12 16 33.7           ~ 1 0
5 LDN 1657A DNe 07 05 05.8 -12 18 29           ~ 8 0
6 [LKB2010] LDN 1657A-5 cor 07 05 05.84 -12 16 51.4           ~ 1 0
7 NAME UYSO 1 Y*O 07 05 11 -12 19.0           ~ 10 0
8 LBN 1039 HII 07 05 13 -12 19.0           ~ 44 0
9 HD 53623 * 07 05 16.7478814056 -12 19 34.495070124 7.02 8.88 8.87 8.84   B1II/III 74 1
10 LBN 1037 RNe 07 05 16.9 -12 20 02           ~ 25 0
11 NAME CMa OB1 As* 07 07.0 -10 28           ~ 140 0
12 NAME CMa R1 As* 07 08 21.3 -11 04 50           ~ 83 1
13 LDN 1262 MoC 23 25 47 +74 17.6           ~ 132 0

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2023.01.27-18:57:29

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