4U 1145-619

Also known as: 2S 1145-619 Simbad

Monitoring Data: RXTE/ASM Swift/BAT MAXI

Note: The very close by HMXB 1E1145.1-6141 frequently affects data from all-sky monitors or other instruments with limited spatial resolution.

RA	11h 45m 33.6s	Dec	-61° 55' 44
l	295.6	b	-0.24

Binary System

Distance

1.5 kpc ()

Orbit

Period: 187.5 days as suggested by .

Companion

Names: HD 102567, Hen 715, V* V801 Cen

Spectral Type: B0-1Ve ()

Magnitude:

• V = 9.3 ()
• E_B-V = 0.35 ()

V_esini: 270 km.s^-1 ()

T_eff: 25 000K ()

Available Data

• RXTE: Mostly individual observations in 1997 for ≅19 ksec as well as slew data between Sep and Oct 1997.
• RXTE: As part of the All-Sky Monitor Long Term Observed Sources. First observed in 1996.
• CHANDRA: One observation for 22 ksec in 2002.
• EXOSAT: Many observations from 1983 to 1985 for exposures ranging from 1 ksec to 35 ksec.
• EINSTEIN: Many observations in 1979 for exposures ranging from 0.2ksec to 10 ksec.
• GINGA: Many observations in throughout 1991.
• VELA 5b: As part of the All-Sky Monitor Lightcurves. First observed: 1969. Last observed: 1979.

Flux

• Quiescent: 1 x 10³⁵ erg.s^-1
• Peak luminosity: 3 x 10³⁶ erg.s^-1

()

Pulse Profile

Period: 292.4 s ()

(Profile by )

References