2005ApJ...626..272P

Query : 2005ApJ...626..272P

2005ApJ...626..272P - Astrophys. J., 626, 272-282 (2005/June-2)

X-rays from Cepheus A East and West.

PRAVDO S.H. and TSUBOI Y.

Abstract (from CDS):

We report the discovery of X-rays from both components of Cepheus A, East and West, with the XMM-Newton observatory. HH 168 joins the ranks of other energetic Herbig-Haro objects that are sources of T≥106 K X-ray emission. The effective temperature of HH 168 is T=5.8+3.5–2.3x106 K, and its unabsorbed luminosity is 1.1x1029 ergs/s, making it hotter and less luminous than other representatives of its class. We also detect prominent X-ray emission from the complex of compact radio sources believed to be the power sources for Cep A. We call this source HWX, and it is distinguished by its hard X-ray spectrum, T=1.2+1.2–0.5x108 K, and its complex spatial distribution. It may arise from one or more protostars associated with the radio complex, the outflows, or a combination of the two. We detect 102 X-ray sources, many presumed to be pre-main-sequence stars on the basis of the reddening of their optical and IR counterparts.

Abstract Copyright: ∼

Journal keyword(s): ISM: Herbig-Haro Objects - X-Rays: ISM

VizieR on-line data: <Available at CDS (J/ApJ/626/272): table2.dat>

Nomenclature: Table 2: XMMPT JHHMMSS.s+DDMMSS N=102.

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

CDS comments: RX J171012.3-28075 = 1RXS J171012.3-280754 in SIMBAD.

Simbad objects: 33

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Number of rows : 33
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 RAFGL 5123 Y*O 04 31 34.07736 +18 08 04.9020           K3V/M3III 863 0
2 HH 2H HH 05 36 25.50 -06 47 15.6           ~ 57 0
3 2MASS J05460787-0010014 Y*O 05 46 07.873 -00 10 01.41           ~ 33 0
4 IRAS 05435-0011 Y*O 05 46 08.45544 -00 10 02.9568           ~ 86 0
5 [KRL2007b] 225 LXB 17 10 12.3 -28 07 54           ~ 88 0
6 NAME HH 80-81 HH 18 19 06 -20 51.4           ~ 224 0
7 HH 80 HH 18 19 06.1 -20 51 49           ~ 100 0
8 HH 81 HH 18 19 06.7 -20 51 06           ~ 89 0
9 NAME Cepheus A East SFR 22 54.3 +61 46           ~ 68 0
10 2MASS J22560169+6202006 * 22 56 01.70 +62 02 00.6           ~ 7 0
11 2MASS J22560182+6203165 Y*O 22 56 01.8279409104 +62 03 16.552213776           ~ 4 0
12 HH 168D * 22 56 03.63 +62 02 01.6           ~ 4 0
13 2MASS J22560450+6203030 Y*O 22 56 04.4985702192 +62 03 03.114643824           ~ 5 0
14 2MASS J22560630+6201596 * 22 56 06.30 +62 01 59.7           ~ 6 0
15 [HL85] GGD 37 14 * 22 56 07.4406203520 +62 02 03.847128108           ~ 3 0
16 NAME Cepheus A SFR 22 56 17.9 +62 01 49           ~ 741 2
17 NAME Cep A HW 2 Y*O 22 56 17.9 +62 01 49           B0.5 227 0
18 HH 168 HH 22 56 18.0 +62 01 47           ~ 90 0
19 [HW84] 3 Rad 22 56 18 +62 01.8           ~ 10 0
20 [HW84] 3d(i) Rad 22 56 18.1273 +62 01 46.596           ~ 6 0
21 [HW84] 3d(ii) Rad 22 56 18.1454 +62 01 46.559           ~ 6 0
22 [HW84] 3d Rad 22 56 18.2 +62 01 46           ~ 30 0
23 [HW84] 3d(iv) Rad 22 56 18.224 +62 01 46.34           ~ 4 0
24 [HW84] 4 Rad 22 56 18.5 +62 01 56           ~ 16 0
25 NAME Cep A HW 9 Rad 22 56 18.64 +62 01 48.0           ~ 19 0
26 GAL 109.88+02.11 HII 22 56 19.4 +62 02 01           ~ 74 0
27 [HW84] 7b Rad 22 56 20 +62 01.6           ~ 10 0
28 [HW84] 7a Rad 22 56 20.2 +62 01 40           ~ 14 0
29 [HL85] GGD 37 28 * 22 56 20.2276093152 +62 02 19.927034376           ~ 4 0
30 2MASS J22562094+6202045 Y*O 22 56 20.942 +62 02 04.56           ~ 4 0
31 [HW84] 7c Rad 22 56 21.3 +62 01 38           ~ 11 0
32 [HW84] 7d HII 22 56 21.9 +62 01 36           ~ 11 0
33 NAME HWX X 22 58 17.9 +62 17 52           ~ 1 1

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