X-ray All Sky Monitorの比較・歴史 -- ASM はほぼ 10年毎に進展があった が-感度 • Vela 5 a&b (USA) late 1960 era g -ray bursts, X-ray novae > 100 m. C • Ariel 5 (UK) late 1970 era Systematic obs. of X-ray novae > 50 m. C • Ginga (Japan) late 1980 era Spectral obs. of X-ray novae > 30 m. C • RXTE (USA) mid 1990 and now Systematic obs. of Galactic X-ray targets > 10 m. C ・・・・・ ブランク !! ・・・・・・ • (2004. 11 SWIFT (γ線バーストモニタ) ~ 2 str. Sky) • MAXI (Japan) ~ 2008 AGN > 1 m. C • Lobster-ISS (UK &) 2010以降 Syst. AGN ~ 0. 1 m. C
A Light Curve of An X-Ray Nova during Rising Phase GS 2000+25 with Ginga-ASM Advection–dominated accretion flow! Tsunemi et al. Ap. J. L 337 (1989), L 81
R-band X-ray correlation NGC 3514 Smoothed R-band (advanced) sampling interval ~ 4. 3 - 17 d Maoz et al. 2002, AJ 124, 1988
Galactic OVII & VIII Map with SSC MAXI SSC expected counts: 80 - 310 counts in 1. 5°x 1. 5° for 2 yr operation. Obs. eff. =0. 7 Galactic Soft X-ray Spectra correspond’g to each Sky Region. Markevitch et al. 2003 Ap. J. Snowden et al. 1997 Ap. J. ROSAT all-sky map of CXB
MAXI Payload Grapple Fixture for a robot arm Radiator for X-ray CCDs Electronics PIU GPS Optical Star Sensor ATCS RLG 180 cm Gas Slit Camera (GSC) : X-ray gas proportional counter 100 cm 80 cm Solid-state Slit Camera (SSC) : X-ray CCD Total weight: 490 kg
LHPRS (LHP and Radiator System)(JAXA) +X Panel -Z Panel -Z Panel Evaporator Honeycomb panels with embedded LHP condenser lines and aluminum facesheets Accumulator Condenser Lines +X Panel LHPRS概観図1 LHPRS概観図2
LHP Steady State Performance (JAXA) 目的: – 定常状態におけるLHP動作の確認 • HOT, NOMINAL, COLDの3モード • CCDカメラの温度状態確認 • ラディエータにおける放熱状態確認 Vapor Liquid 0 HOT Case -20 NOMINAL Case -40 -60 COLD Case Temperature [deg C] Vapor Liquid 0 HOT Case -20 NOMINAL Case -40 -60 COLD Case -80 Thermocouple Positions -Z Radiator +X Radiator