chandra_aca

The chandra_aca package provides functionality related to the Chandra Aspect Camera Assembly and associated aspect functionality.

ACA alignment drift

• chandra_aca.drift
  • AcaDriftModel
  • get_aca_offsets()
  • get_default_zero_offset_table()
  • get_fid_offset()
  • get_target_aimpoint()

ACA images

• chandra_aca.aca_image
  • ACAImage
    • ACAImage.aca
    • ACAImage.centroid_fm()
    • ACAImage.flicker_init()
    • ACAImage.flicker_update()
  • AcaPsfLibrary
    • AcaPsfLibrary.get_psf_image()
  • EIGHT_LABELS
  • centroid_fm()
  • get_aca_images()
  • ACAImage class
    • Creation
    • Image access and setting
    • Image arithmetic operations
    • Meta-data

Centroid residuals

• chandra_aca.centroid_resid
  • CentroidResiduals

Dark model

• chandra_aca.dark_model
  • dark_temp_scale()
  • dark_temp_scale_img()
  • get_dark_hist()
  • get_sbp_pars()
  • get_warm_fracs()
  • smooth_broken_pow()
  • smooth_twice_broken_pow()
  • synthetic_dark_image()
  • temp_scalefac()

Dark background subtraction

• chandra_aca.dark_subtract
  • get_aca_images_bgd_sub()
  • get_dark_backgrounds()
  • get_dark_current_imgs()
  • get_tccd_data()

MAUDE Decom

• chandra_aca.maude_decom
  • Telemetry Specification
  • Timing
  • Global variables in this module
  • blob_to_aca_image_dict()
  • filter_vcdu_jumps()
  • get_aca_images()
  • get_aca_packets()
  • get_raw_aca_blobs()
  • get_raw_aca_packets()
  • unpack_aca_telemetry()

Planet Positions

• chandra_aca.planets
  • EarthBoresightAngles
  • NoEphemerisError
  • get_earth_blocks()
  • get_earth_boresight_angle()
  • get_planet_angular_sep()
  • get_planet_barycentric()
  • get_planet_chandra()
  • get_planet_chandra_horizons()
  • get_planet_eci()

Plotting

• chandra_aca.plot
  • bad_acq_stars()
  • plot_compass()
  • plot_stars()

Star probabilities

• chandra_aca.star_probs
  • Conf
  • ConfigItem
  • acq_success_prob()
  • binom_ppf()
  • binomial_confidence_interval()
  • clip_and_warn()
  • get_box_delta()
  • get_default_acq_prob_model_info()
  • get_grid_axis_values()
  • get_grid_func_model()
  • grid_model_acq_prob()
  • guide_count()
  • mag_for_p_acq()
  • model_acq_success_prob()
  • prob_n_acq()
  • set_acq_model_ms_filter()
  • sota_model_acq_prob()
  • spline_model_acq_prob()
  • t_ccd_warm_limit()
  • t_ccd_warm_limit_for_guide()

Transformations

• chandra_aca.transform
  • broadcast_arrays()
  • broadcast_arrays_flatten()
  • calc_aca_from_targ()
  • calc_targ_from_aca()
  • calc_target_offsets()
  • count_rate_to_mag()
  • eci_to_radec()
  • mag_to_count_rate()
  • normalize_vector()
  • pixels_to_yagzag()
  • radec_to_eci()
  • radec_to_yagzag()
  • snr_mag_for_t_ccd()
  • yagzag_to_pixels()
  • yagzag_to_radec()