IPs

AE Aqr
FO Aqr
XY Ari
V405 Aur
HT Cam
MU Cam
DW Cnc
BG CMi
V709 Cas
V1025 Cen
TV Col
TX Col
UU Col
V2306 Cyg
YY Dra
PQ Gem
DQ Her
EX Hya
NY Lup
V2400 Oph
GK Per
AO Psc
WX Pyx
V1223 Sgr
V1062 Tau
RX J2133

Related Systems

Candidates

Position

• Equatorial: 05^h57^m59.27s, +53^d53^m45.1^s (J2000)
• Galactic: l=159.20, b=+14.32

Finding Chart:

Haberl et al (1994)

Brigntness:

Optical ; fx (2-10 keV)~1.9x10^(-11) ergs/cm/cm/s (ASCA)

Periods:

• Orbital: 0.17345 d = 4.16 hr= 14986s, seen in optical spectroscopy.

  HJD=2449474.6446(15)+0.172624(1)E

  (Thorstensen 1997, private communication, cited in Harlaftis & Horne 1999)
• Spin: 0.06313 d = 9.091 min = 545.4555 s, seen in optical photometry and hard X-ray light curves.

  HJD(min)=2449689.573466(31)+0.006313154(3)E

  (Skillman 1996)
• Others: In optical and soft X-rays, the dominant period is half the spin period (272.7277s).

Inclination:

?

Distance:

?

One of the soft IPs, with spin-modulated circular polarization and double-peaked soft X-ray and optical spin pulses.

References

• Ashoka et al. 1995
• Allan et al. 1996a
• de Martino et al 2004
• Evans & Hellier 2004
• Ezuka & Ishida 1999
• Haberl & Motch 1995
• Haberl et al. 1994
• Harlaftis & Horne 1999
• Hellier, Mukai & Osborne 1998a
• Parker, Norton & Mukai 2005
• Ramsay 2000
• Shakhovskoj & Kolesnikov 1997
• Sing et al. 2004
• Skillman 1996
• Still, Duck & Marsh 1998
• Suleimanov, Revnivtsev & Ritter 2005
• Szkody, Armstrong & Fried 2000