Table 2: X-ray pulsars in group two, i.e. with no pulse shape above 10 keV or were difficult to classify.
System $P_{\rm spin}$ Type Comments References
A0538-67 0.069 Double Einstein obs Skinner et al. (1982)
SAX J0635+0533 0.0338 Single below 10 keV Cusumano et al. (2000)
RX J0059.2-7138 2.76 Single ROSAT obs Hughes (1994)
RX J0502.9-6626 4.06 Single ROSAT obs Schmidtke et al. (1995)
RX J1838.4-0301 5.45 Single ROSAT obs Schwentker (1994)
1E 1048-593 6.44 Single Einstein obs Seward et al. (1986)
AX J1845.0-0300 7 Single ASCA obs Torii et al. (1998b)
RX J0720.4-3125 8.39 Single XMM obs Cropper et al. (2001)
4U 0142+614 8.69 Double obs below 10 keV Israel et al. (1994)
2E 0050.1-7247 8.88 Single ROSAT obs Israel et al. (1995)
2S 1553-54 9.26 Double SAS-3 obs below 11keV Kelley et al. (1983)
AX J0049-732 9.31 Single ASCA obs Ueno et al. (2000)
1RXS 170849.0-400910 11.0 Single ASCA obs; could be an AnXP Sugizaki et al. (1997)
RX J0648.1-4419 13.2 Single ROSAT obs Israel et al. (1997)
XTE J0111.2-7317 30.95 Single ASCA obs Yokogawa et al. (2000b)
RX J0812.4-3114 31.9 Double accretion flow eclipse Reig & Roche (1999b)
RX J0529.8-6556 69.5 Single ROSAT obs Haberl et al. (1997)
AX J0049-729 74.8 Single ASCA obs Yokogawa et al. (1999)
SAX J0544.1-710 96.1 Single obs below 10keV Cusumano et al. (1998)
A0535+26 105 Double accretion flow eclipse Bildsten et al. (1997)
GX 1+4 120 Double accretion flow eclipse Bildsten et al. (1997)
1SAX J1324.4-6200 170 Single SAX obs below 20keV Angelini et al. (1998)
RX J0440.9+4431 202.5 Single obs below 20 keV Reig & Roche (1999a)
AX J1749.2-2725 220 Single ASCA obs Torii et al. (1998a)
GX 304-1 272 Single SAS-3 obs McClintock et al. (1977)
AX J0058-7203 280 Double ASCA obs Tsujimoto et al. (1999)
AX J0051-733 323 Single ASCA obs Imanishi et al. (1999)
1SAX J1452.8-5949 437 Single obs MECS below 10keV Oosterbroek et al. (1999)
AX J170006-4157 714.5 Single ASCA obs Torii et al. (1999)
RX J1037.5-564 860 Single pulse shape below 20 keV Reig & Roche (1999a)
2S 0114+650 10008 Single ASM obs below 12 keV Corbet et al. (1999a); Hall et al. (2000)


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