2009ApJ...695L..72A

Query : 2009ApJ...695L..72A

2009ApJ...695L..72A - Astrophys. J., 695, L72-L77 (2009/April-2)

Discovery of pulsed γ-rays from the young radio pulsar PSR J1028-5819 with the Fermi large area telescope.

ABDO A.A., ACKERMANN M., ATWOOD W.B., BALDINI L., BALLET J., BARBIELLINI G., BARING M.G., BASTIERI D., BAUGHMAN B.M., BECHTOL K., BELLAZZINI R., BERENJI B., BLOOM E.D., BONAMENTE E., BORGLAND A.W., BREGEON J., BREZ A., BRIGIDA M., BRUEL P., BURNETT T.H., CALIANDRO G.A., CAMERON R.A., CARAVEO P.A., CASANDJIAN J.M., CECCHI C., CHARLES E., CHEKHTMAN A., CHEUNG C.C., CHIANG J., CIPRINI S., CLAUS R., COHEN-TANUGI J., COMINSKY L.R., CONRAD J., DERMER C.D., DE ANGELIS A., DE PALMA F., DIGEL S.W., DONATO D., DORMODY M., DO COUTO E SILVA E., DRELL P.S., DUBOIS R., DUMORA D., EDMONDS Y., FARNIER C., FAVUZZI C., FLEURY P., FOCKE W.B., FRAILIS M., FUKAZAWA Y., FUNK S., FUSCO P., GARGANO F., GASPARRINI D., GEHRELS N., GERMANI S., GIEBELS B., GIGLIETTO N., GIORDANO F., GLANZMAN T., GODFREY G., GRENIER I.A., GRONDIN M.-H., GROVE J.E., GUILLEMOT L., GUIRIEC S., HARDING A.K., HAYASHIDA M., HAYS E., HUGHES R.E., JOHANNESSON G., JOHNSON A.S., JOHNSON R.P., JOHNSON T.J., JOHNSON W.N., JOHNSTON S., KAMAE T., KATAGIRI H., KATAOKA J., KAWAI N., KERR M., KNODLSEDER J., KOMIN N., KRAMER M., KUEHN F., KUSS M., LATRONICO L., LEE S.-H., LEMOINE-GOUMARD M., LONGO F., LOPARCO F., LOTT B., LOVELLETTE M.N., LUBRANO P., MAKEEV A., MARELLI M., MAZZIOTTA M.N., McCONVILLE W., McENERY J.E., MEURER C., MICHELSON P.F., MITTHUMSIRI W., MIZUNO T., MOISEEV A.A., MONTE C., MONZANI M.E., MORSELLI A., MOSKALENKO I.V., MURGIA S., NOLAN P.L., NUSS E., OHSUGI T., OMODEI N., ORLANDO E., ORMES J.F., PANEQUE D., PANETTA J.H., PARENT D., PEPE M., PESCE-ROLLINS M., PIRON F., PORTER T.A., RAINO S., RANDO R., RAZZANO M., REIMER A., REIMER O., REPOSEUR T., RITZ S., ROCHESTER L.S., RODRIGUEZ A.Y., ROMANI R.W., ROTH M., RYDE F., SADROZINSKI H.F.-W., SANCHEZ D., SANDER A., SAZ PARKINSON P.M., SGRO C., SISKIND E.J., SMITH D.A., SMITH P.D., SPANDRE G., SPINELLI P., STARCK J.-L., STRICKMAN M.S., SUSON D.J., TAJIMA H., TAKAHASHI H., TANAKA T., THAYER J.B., THAYER J.G., THOMPSON D.J., THORSETT S.E., TIBALDO L., TORRES D.F., TOSTI G., TRAMACERE A., UCHIYAMA Y., USHER T.L., VAN ETTEN A., VILCHEZ N., VITALE V., WAITE A.P., WATTERS K., WOOD K.S., YLINEN T., ZIEGLER M., HOBBS G., KEITH M., MANCHESTER R.N. and WELTEVREDE P.

Abstract (from CDS):

Radio pulsar PSR J1028-5819 was recently discovered in a high-frequency search (at 3.1 GHz) in the error circle of the Energetic Gamma-Ray Experiment Telescope (EGRET) source 3EG J1027-5817. The spin-down power of this young pulsar is great enough to make it very likely the counterpart for the EGRET source. We report here the discovery of γ-ray pulsations from PSR J1028-5819 in early observations by the Large Area Telescope (LAT) on the Fermi Gamma-Ray Space Telescope. The γ-ray light curve shows two sharp peaks having phase separation of 0.460±0.004, trailing the very narrow radio pulse by 0.200±0.003 in phase, very similar to that of other known γ-ray pulsars. The measured γ-ray flux gives an efficiency for the pulsar of ∼10-20% (for outer magnetosphere beam models). No evidence of a surrounding pulsar wind nebula is seen in the current Fermi data but limits on associated emission are weak because the source lies in a crowded region with high background emission. However, the improved angular resolution afforded by the LAT enables the disentanglement of the previous COS-B and EGRET source detections into at least two distinct sources, one of which is now identified as PSR J1028-5819.

Abstract Copyright: ∼

Journal keyword(s): pulsars: general - stars: neutron

Nomenclature: Text: 0FGL JHHMM.m+DDMM N=3.

CDS comments: PSR J1028+5819 is a misprint for PSR J1028-5819.

Simbad objects: 10

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Number of rows : 10
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 SNR G119.5+10.2 SNR 00 06.6 +72 47           ~ 268 1
2 M 1 SNR 05 34 31.8 +22 01 03           ~ 6516 1
3 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5476 0
4 PSR J0633+1746 Psr 06 33 54.153 +17 46 12.91           ~ 1308 0
5 NAME Vela Pulsar Psr 08 35 20.65525 -45 10 35.1545     15.10     ~ 2446 1
6 SNR G284.3-01.8 SNR 10 18.3 -59 00           ~ 123 2
7 1FGL J1018.6-5856 HXB 10 18 55.5875706288 -58 56 45.975246900   13.638 12.683     O6V((f)) 156 0
8 2FGL J1023.5-5749c Bz? 10 24 20 -57 57.1           ~ 15 0
9 PSR J1028-5819 Psr 10 28 27.888 -58 19 06.14           ~ 122 1
10 PSR B1951+32 Psr 19 52 58.181 +32 52 40.98           ~ 615 2

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