A non-thermal radio source detected towards PSR 1055-52

被引:12
作者
Combi, JA [1 ]
Romero, GE [1 ]
Azcarate, IN [1 ]
机构
[1] NATL UNIV LA PLATA,DEPT PHYS,THEORET PHYS LAB,LA PLATA,BUENOS AIRES,ARGENTINA
关键词
D O I
10.1023/A:1000359414330
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We report the detection of a weak and extended source in the radio continuum at 1.42 GHz around the position of the high energy gamma ray pulsar PSR 1055-52. The source is also detectable at 408 MHz. It presents non-thermal spectral indices suggesting a synchrotron nature. We discuss the possibility of a physical association with the pulsar.
引用
收藏
页码:1 / 9
页数:9
相关论文
共 29 条
  • [1] AN AXISYMMETRICAL MAGNETOHYDRODYNAMIC MODEL FOR THE CRAB PULSAR WIND BUBBLE
    BEGELMAN, MC
    LI, ZY
    [J]. ASTROPHYSICAL JOURNAL, 1992, 397 (01) : 187 - 195
  • [2] BLANDFORD RD, 1973, ASTRON ASTROPHYS, V23, P145
  • [3] ASSOCIATING YOUNG PULSARS AND SUPERNOVA-REMNANTS - PSR-1610-50 AND THE CASE FOR HIGH-VELOCITY PULSARS
    CARAVEO, PA
    [J]. ASTROPHYSICAL JOURNAL, 1993, 415 (02) : L111 - L114
  • [4] G308.8-0.1 - AN UNUSUAL SUPERNOVA REMNANT CONTAINING A SHORT-PERIOD PULSAR, PSR-J1341-6220
    CASWELL, JL
    KESTEVEN, MJ
    STEWART, RT
    MILNE, DK
    HAYNES, RF
    [J]. ASTROPHYSICAL JOURNAL, 1992, 399 (02) : L151 - L153
  • [5] X-RAYS FROM RADIO PULSARS - THE DETECTION OF PSR 1055-52
    CHENG, AF
    HELFAND, DJ
    [J]. ASTROPHYSICAL JOURNAL, 1983, 271 (01) : 271 - 282
  • [6] COMBI JA, 1995, ASTRON ASTROPHYS, V303, P872
  • [7] COMBI JA, 1995, ASTRON ASTROPHYS, V296, P514
  • [8] THE FIRST ENERGETIC GAMMA-RAY EXPERIMENT TELESCOPE (EGRET) SOURCE CATALOG
    FICHTEL, CE
    BERTSCH, DL
    CHIANG, J
    DINGUS, BL
    ESPOSITO, JA
    FIERRO, JM
    HARTMAN, RC
    HUNTER, SD
    KANBACH, G
    KNIFFEN, DA
    KWOK, PW
    LIN, YC
    MATTOX, JR
    MAYERHASSELWANDER, HA
    MCDONALD, L
    MICHELSON, PF
    VONMONTIGNY, C
    NOLAN, PL
    PINKAU, K
    RADECKE, HD
    ROTHERMEL, H
    SREEKUMAR, P
    SOMMER, M
    SCHNEID, EJ
    THOMPSON, DJ
    WILLIS, T
    [J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1994, 94 (02) : 551 - 581
  • [9] PULSED HIGH-ENERGY GAMMA-RAYS FROM PSR-1055-52
    FIERRO, JM
    BERTSCH, DL
    BRAZIER, KT
    CHIANG, J
    DAMICO, N
    FICHTEL, CE
    HARTMAN, RC
    HUNTER, SD
    JOHNSTON, S
    KANBACH, G
    KASPI, VM
    KNIFFEN, DA
    LIN, YC
    LYNE, AG
    MANCHESTER, RN
    MATTOX, JR
    MAYERHASSELWANDER, HA
    MICHELSON, PF
    VONMONTIGNY, C
    NOLAN, PL
    SCHNEID, E
    THOMPSON, DJ
    [J]. ASTROPHYSICAL JOURNAL, 1993, 413 (01) : L27 - L30
  • [10] GOPALKRISHNA, 1978, MON NOT R ASTRON SOC, V185, P521