1999A&A...350..847F

Query : 1999A&A...350..847F

1999A&A...350..847F - Astronomy and Astrophysics, volume 350847-851 (1999/10-3)

New observational constraints on hard X-/γ-ray millisecond pulsar emission from 47 Tucanae.

FERGUSON C., LEI F., DEAN A.J., BIRD A.J. and LOCKLEY J.J.

Abstract (from CDS):

Recent X-/γ-ray observations with the Rossi X-ray Timing Explorer (RXTE) of 47 Tuc (NGC 104) are used to compare different models of millisecond pulsar emission. Data from both the Proportional Counter Array and the High Energy X-ray Timing Experiment are presented, covering a total energy range of 2-250keV. A new upper limit on the hard X-/γ-ray emission from 47 Tuc is set, suggesting that the isolated millisecond pulsars may be non-emitting or very weak X-ray sources. The current binary X-ray emission theory is consistent with this result with some modification. Timing analysis reveals no periodic pulsations in the data, further suggesting that isolated millisecond pulsars are very weak X-ray emitters.

Abstract Copyright: ∼

Journal keyword(s): X-rays: stars - stars: binaries: general - stars: pulsars: general - Galaxy: globular clusters: individual: 47 Tuc

CDS comments: p. 848 : X9 and X10 = [HJV94] 9, 10 in SIMBAD, sources in table 1 are PSR 0021-72C to ...N

Simbad objects: 14

goto View the references in ADS

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 - 2026 		#notes
1 PSR J0024-7204C Psr 00 23 50.371 -72 04 31.44           ~ 65 1
2 PSR J0024-7204M Psr 00 23 54.489 -72 05 30.83           ~ 41 1
3 PSR J0023-7203J Psr 00 23 59.40735 -72 03 58.7914           ~ 91 1
4 PSR J0024-72L Psr 00 24 03.754 -72 04 56.87           ~ 42 1
5 PSR J0024-72F Psr 00 24 03.907 -72 04 42.47           ~ 54 1
6 RX J0021.8-7221 LXB 00 24 04.263 -72 04 57.97 18.868   19.772   19.316 ~ 78 0
7 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 4158 0
8 Cl* NGC 104 SBG V3 CV* 00 24 06.2943986812 -72 04 45.361338815   13.429 10.622   9.316 ~ 34 0
9 PSR J0024-72H Psr 00 24 06.686 -72 04 06.74           ~ 64 1
10 PSR B0021-72I Psr 00 24 07.9330 -72 04 39.669           ~ 68 1
11 PSR J0024-72G Psr 00 24 07.943 -72 04 39.65           ~ 47 1
12 PSR B0021-72N Psr 00 24 09.193 -72 04 28.83           ~ 40 1
13 PSR J0024-7204E Psr 00 24 11.125 -72 05 20.14           ~ 66 1
14 PSR J0024-72D Psr 00 24 13.818 -72 04 43.83           ~ 62 1

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