V455 And
V515 And
AE Aqr
FO Aqr
XY Ari
V405 Aur
V647 Aur
HT Cam
MU Cam
DW Cnc
V709 Cas
V1033 Cas
V1025 Cen
TV Col
TX Col
UU Col
V2069 Cyg
V2306 Cyg
YY Dra
PQ Gem
V418 Gem
DQ Her
V1323 Her
EX Hya
NY Lup
V2400 Oph
V2731 Oph
V598 Peg
GK Per
AO Psc
V667 Pup
WX Pyx
V1223 Sgr
CC Scl
V1062 Tau
AX J1740.1
AX J1740.2
AX J1853.3
IGR J08390
IGR J15094
IGR J16500
IGR J16547
IGR J17195
IGR J18173
IGR J18308
IGR 19267
RX J2133

Full Catalog

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X-ray Beat Pulses of AO Psc

AO Psc Beat Profile Plot

The energy-resolved X-ray beat pulses of AO Psc. Data are from the 1994 June ASCA observation folded on the ephemeris of Kaluzny & Semenuk 1988. The energy dependence suggests that the X-ray beat pulses are not due to stream overflow accretion. It may be obscuration modulated on the beat period, or possibly soft X-rays emitted from photoionized plasma fixed in the orbital frame (e.g., the hot spot). Since the observation covers 245 spin cycles and 16 orbital cycles pretty uniformly, these beat pulses are probably not due to sampling effects.

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Please send your comments, suggestions etc. to Koji.Mukai@nasa.gov and/or Koji.Mukai@umbc.edu
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