2004A&A...419..269W

Query : 2004A&A...419..269W

2004A&A...419..269W - Astronomy and Astrophysics, volume 419, 269-276 (2004/5-3)

XMM-Newton spectral and timing analysis of the faint millisecond pulsars PSR J0751+1807 and PSR J1012+5307.

WEBB N.A., OLIVE J.-F., BARRET D., KRAMER M., COGNARD I. and LOEHMER O.

Abstract (from CDS):

We present XMM-Newton MOS imaging and PN timing data of the faint millisecond pulsars PSR J0751+1807 and PSR J1012+5307. We find 46 sources in the MOS field of view of PSR J0751+1807 searching down to an unabsorbed flux limit of 3x10–15ergs/cm2/s (0.2-10.0keV). We present, for the first time, the X-ray spectra of these two faint millisecond pulsars. We find that a power law model best fits the spectrum of PSR J0751+1807, Γ=1.59±0.20, with an unabsorbed flux of 4.4x10–14ergs/cm2/s (0.2-10.0keV). A power law is also a good description of the spectrum of PSR J1012+5307, Γ=1.78±0.36, with an unabsorbed flux of 1.2x10–13ergs/cm2/s (0.2-10.0keV). However, a blackbody model cannot be excluded as the best fit to this data. We present some evidence to suggest that both of these millisecond pulsars show pulsations in this X-ray band. We find some evidence for a single broad X-ray pulse for PSR J0751+1807 and we discuss the possibility that there are two pulses per spin period for PSR J1012+5307.

Abstract Copyright: ∼

Journal keyword(s): X-rays: stars - stars: pulsars: individual: PSR J0751+1807, PSR J1012+5307 - mechanisms: non-thermal - radiation mechanisms: thermal radiation

Nomenclature: Fig.3, Table 3: [WOB2004] NN N=46 among (Nos 3-76).

Simbad objects: 53

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Number of rows : 53
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 PSR J0218+42 Psr 02 18 06.3604 +42 32 17.365           ~ 336 2
2 PSR J0437-47 Psr 04 37 15.7994581776 -47 15 08.544351636           DC 906 0
3 M 1 SNR 05 34 30.9 +22 00 53           ~ 6191 1
4 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5259 0
5 [WOB2004] 26 X 07 50 20.9 +18 02 26           ~ 1 0
6 [WOB2004] 24 X 07 50 25.2 +18 01 48           ~ 1 0
7 [WOB2004] 31 X 07 50 36.6 +18 03 29           ~ 1 0
8 [WOB2004] 34 X 07 50 37.9 +18 05 03           ~ 1 0
9 [WOB2004] 37 X 07 50 38.0 +18 05 41           ~ 1 0
10 SDSS J075040.27+181213.2 QSO 07 50 40.2805830936 +18 12 13.245349716           ~ 9 0
11 [WOB2004] 59 X 07 50 41.7 +18 10 27           ~ 1 0
12 [WOB2004] 72 X 07 50 43.2 +18 15 41           ~ 1 0
13 [WOB2004] 23 X 07 50 45.1 +18 01 31           ~ 1 0
14 [WOB2004] 56 X 07 50 46.5 +18 09 45           ~ 1 0
15 [WOB2004] 38 * 07 50 48.1810786632 +18 05 56.223036456           ~ 2 0
16 [WOB2004] 40 X 07 50 49.2 +18 06 40           ~ 1 0
17 [WOB2004] 36 X 07 50 52.3 +18 05 19           ~ 1 0
18 [WOB2004] 43 * 07 50 52.8291993648 +18 06 54.589537476           ~ 2 0
19 [WOB2004] 3 X 07 50 54.1 +17 57 59           ~ 1 0
20 [WOB2004] 4 X 07 50 54.8 +17 58 28           ~ 1 0
21 [WOB2004] 27 X 07 50 57.4 +18 03 19           ~ 1 0
22 [WOB2004] 28 X 07 51 01.6 +18 03 21           ~ 1 0
23 [WOB2004] 51 X 07 51 04.2 +18 08 45           ~ 1 0
24 [WOB2004] 33 X 07 51 07.9 +18 04 21           ~ 1 0
25 [WOB2004] 47 X 07 51 09.1 +18 07 36           ~ 1 0
26 PSR J0751+1807 Psr 07 51 09.1539 +18 07 38.335           ~ 289 1
27 [WOB2004] 13 X 07 51 09.7 +18 00 01           ~ 1 0
28 [WOB2004] 5 X 07 51 12.9 +17 58 44           ~ 1 0
29 [WOB2004] 71 X 07 51 13.5 +18 15 33           ~ 1 0
30 [WOB2004] 44 X 07 51 13.6 +17 56 51           ~ 1 0
31 [WOB2004] 20 X 07 51 13.8 +17 57 21           ~ 1 0
32 [WOB2004] 62 X 07 51 14.9 +18 11 30           ~ 1 0
33 [WOB2004] 76 X 07 51 17.5 +17 54 11           ~ 1 0
34 [WOB2004] 64 X 07 51 17.5 +18 12 03           ~ 1 0
35 [VV2010c] J075117.9+180856 AGN 07 51 17.9 +18 08 56           ~ 8 0
36 [WOB2004] 67 X 07 51 20.4722342808 +18 14 00.184318440           ~ 2 0
37 [WOB2004] 75 X 07 51 24.2 +18 17 44           ~ 1 0
38 [WOB2004] 25 X 07 51 26.9 +18 02 00           ~ 1 0
39 [WOB2004] 60 X 07 51 27.3 +18 10 40           ~ 1 0
40 [WOB2004] 29 X 07 51 35.6 +18 03 30           ~ 1 0
41 [WOB2004] 73 X 07 51 36.8 +18 16 01           ~ 1 0
42 [WOB2004] 45 X 07 51 37.2 +18 07 20           ~ 1 0
43 [WOB2004] 68 X 07 51 37.5 +17 55 47           ~ 1 0
44 TYC 1366-1687-1 * 07 51 40.3179245187 +18 06 00.453457422   12.12 11.92 11.67   ~ 1 0
45 [WOB2004] 19 X 07 51 44.0 +18 01 07           ~ 1 0
46 [WOB2004] 17 X 07 51 46.8 +18 00 36           ~ 1 0
47 [WOB2004] 42 X 07 51 48.5 +18 06 45           ~ 1 0
48 [WOB2004] 55 X 07 51 51.5 +18 09 59           ~ 1 0
49 [WOB2004] 66 X 07 51 54.1 +18 13 55           ~ 1 0
50 [WOB2004] 65 X 07 51 56.1 +18 13 56           ~ 1 0
51 [WOB2004] 41 X 07 52 01.1 +18 06 43           ~ 1 0
52 PSR J1012+5307 Psr 10 12 33.4345449600 +53 07 02.548542576     19.5     DA 379 1
53 PSR J1824-2452A Psr 18 24 32.009 -24 52 11.10           ~ 499 2

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