POLARIZATION CHARACTERISTICS OF SOUTHERN PULSARS .3. 1612-MHZ OBSERVATIONS

被引:69
作者
MANCHESTER, RN [1 ]
HAMILTON, PA [1 ]
MCCULLOCH, PM [1 ]
机构
[1] UNIV TASMANIA,DEPT PHYS,HOBART,TAS 7001,AUSTRALIA
关键词
Crab Pulsar - High frequency HF - Lower frequencies - Mean values - Orthogonal modes - Polarization characteristics;
D O I
10.1093/mnras/192.2.153
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Observations of integrated profiles and polarization characteristics at a frequency of 1612 MHz are presented for 38 pulsars. The observed mean values of linear and circular polarization, 17.5 and 10 per cent respectively, are both less than corresponding values at lower frequencies. Both of these effects may be a consequence of the observed increased occurrence of orthogonal mode emission at this higher frequency. Highly polarized precursor components similar to that in the Crab pulsar have been discovered in two pulsars. © 1980 Royal Astronomical Society. Provided by the NASA Astrophysics Data System.
引用
收藏
页码:153 / 177
页数:25
相关论文
共 19 条
[1]   ORTHOGONAL MODE EMISSION IN GEOMETRIC MODELS OF PULSAR POLARIZATION [J].
BACKER, DC ;
RANKIN, JM ;
CAMPBELL, DB .
NATURE, 1976, 263 (5574) :202-207
[2]  
BORIAKOFF V, 1974, ASTROPHYS, V15, P175
[3]   THEORY OF SUBPULSE POLARIZATION PATTERNS FROM RADIO PULSARS [J].
CHENG, AF ;
RUDERMAN, MA .
ASTROPHYSICAL JOURNAL, 1979, 229 (01) :348-360
[4]   ORTHOGONAL MODES OF POLARIZATION FROM PULSAR PSR 2020+28 [J].
CORDES, JM ;
RANKIN, J ;
BACKER, DC .
ASTROPHYSICAL JOURNAL, 1978, 223 (03) :961-&
[5]   PULSAR POLARIZATION FLUCTUATIONS AT 430 MHZ WITH MICROSECOND TIME RESOLUTION [J].
CORDES, JM ;
HANKINS, TH .
ASTROPHYSICAL JOURNAL, 1977, 218 (02) :484-503
[6]   LINEAR POLARIZATION OF PULSAR PSR 0833-45 AT 4.8 GHZ [J].
GARDNER, FF ;
WHITEOAK, JB .
NATURE, 1969, 224 (5222) :891-&
[7]  
HAMILTON PA, 1977, MON NOT R ASTRON SOC, V180, P1
[8]   CHANGE OF PULSE CHARACTERISTICS OF VELA PULSAR WITH FREQUENCY [J].
KOMESAROFF, MM ;
MCCULLOCK, PM ;
RANKIN, JM .
NATURE, 1974, 252 (5480) :210-212
[9]   CHARACTERISTICS OF RADIO PULSES FROM PULSARS [J].
LYNE, AG ;
SMITH, FG ;
GRAHAM, DA .
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1971, 153 (03) :337-&
[10]   OBSERVATIONS OF PULSAR RADIO-EMISSION .2. POLARIZATION OF INDIVIDUAL PULSES [J].
MANCHESTER, RN ;
TAYLOR, JH ;
HUGUENIN, GR .
ASTROPHYSICAL JOURNAL, 1975, 196 (01) :83-102