sdblist

NAME

SYNOPSIS

DESCRIPTION

FILTER TYPE

OPTIONS

-arguments keep | clear

Keep previous arguments attached with sdb lines or clear them.

-file_length

Total file length of the .scn file in bytes. If the .scn file is the latest version, this value should be the same as the result of "ls -l".

-header_length

Total header length in bytes.

-format_id spectrum

The basic structure of file. The file of ".sdb" is "spectrum".

-version

The version number of the file.

-data_type

The type of the data in physical meaning.

Ta - in antenna temperature (K)

frequency_switch - unfolded frequency switch output in antenna temperature (K)

Tmb - in mainbeam brightness temperature (K)

Integ_Ta - in integrated antenna temperature (K km/s)

Integ_Tmb - in integrated mainbeam brightness temperature (K km/s)

RawLong - in raw output (total power)

RawFloat - in raw output (total power) but convert to float formally.

-history_step

The number of the history steps ("end" step is not counted).

-history_line

The number of lines in the history.

-original_scan_number

An original sequencial number of the scans (.scn). This number should be given by ASTROS, an observation program.

-backup_version

The version number for backup, which is valid at using the command "save". The created backup file will have a name with this number.

-composed_scans

The number of the original scans (.scn). This number should increase after "integ" process.

-project

Name of the project. Less than or 16 characters.

-scd_name

Name of the original .scd file which was used by ASTROS. Less than or 8 characters.

-scd_line_number

The line number in the .scd file which was used by ASTROS.

-sw_mode

Switching mode to obtain the data.

total_power - total power mode. Direct output of a recevier.

onoff - after on-off switching.

freqency_sw - after frequency switching

Dicke - after Dicke switching

-observed_mjd

The observed date in the modified Julian day.

-observed_start_time

The observation start time for the profile. The time is given by sec from 1970/1/1 0:0:0 UTC. (The UNIX/Linux standard).

-observed_stop_time

The observation stop time for the profile. The time is given by sec from 1970/1/1 0:0:0 UTC. (The UNIX/Linux standard).

-integration_on_time

Total integration time as the on-position in seconds.

-integration_off_time

Total integration time as the off-position in seconds.

-observer

The name of primary observer. Less than or 8 charcters.

-observer1

The name of primary observer. Less than or 8 charcters.

-observer2

The name of secondary observer. Less than or 8 charcters.

-observer3

The name of another observer. Less than or 8 charcters.

-observer4

The name of another observer or data processor. Less than or 8 charcters.

-object

The name of object. Less than or 15 charcters.

-coordinates | -coord_sys lb

The basic coordinate to use. The local xy coordinate is also defined by referring the coordinate assigned this selection.

lb - the Galactic coordinate. Some refers as l(II) and b(II).

radec - the equitorial coordinate at the epoch B1950.0. The mean poisiton.

radec-app - the equitorila coordinate at the present epoch of the observations. The appearent position.

-l | -on_l

The galactic longitude position of the on point. If angle_value is given only the number, the command takes it as in degrees.

-b | -on_b

The galactic latitude position of the on point. If angle_value is given only the number, the command takes it as in degrees.

-ra | -on_ra

The equitorial longitude (B1950.0) mean positon of the on point. If angle_value is given only the number, the command takes it as in degrees.

-dec | -on_dec

The equitorial latitude (B1950.0) mean positon of the on point. If angle_value is given only the number, the command takes it as in degrees.

-az | -on_az

The azimath positon of the on point. If angle_value is given only the number, the command takes it as in degrees.

-el | -on_el

The elevation positon of the on point. If angle_value is given only the number, the command takes it as in degrees.

-off_l

The galacitc longitude positon of the off point. If angle_value is given only the number, the command takes it as in degrees.

-off_b

The galacitc latitude positon of the off point. If angle_value is given only the number, the command takes it as in degrees.

-off_ra

The equitorial longitude (B1950.0) mean positon of the off point. If angle_value is given only the number, the command takes it as in degrees.

-off_dec

The equitorial longitude (B1950.0) mean positon of the off point. If angle_value is given only the number, the command takes it as in degrees.

-orig_x

The longitude positon of the origin of the local XY coordinate. If angle_value is given only the number, the command takes it as in degrees. The referring coordinate is assigned by the keyword "-coordinates".

-orig_y

The latitude positon of the origin of the local XY coordinate. If angle_value is given only the number, the command takes it as in degrees. The referring coordinate is assigned by the keyword "-coordinates".

-position_angle | -grid_pa

The positon angle of the local XY coordinate at the origin. The value is in degree. The value 0 means the X and Y axes are parallel to the longitude and latitude line of the referring coordinate, respectively. The value 90 means the Y axis is parallel to the longitude line. The referring coordinate is assigned by the keyword "-coordinates".

-x | -on_x

The longitud positon of the on poing in the local XY coordinate. If angle_value is given only the number, the command takes it as in degrees. The referring coordinate is assigned by the keyword "-coordinates".

-y | -on_y

The latitude positon of the on point in the local XY coordinate. If angle_value is given only the number, the command takes it as in degrees. The referring coordinate is assigned by the keyword "-coordinates".

-telescope | -telescope_name

The name of telescope used to get the profile. Less than or 8 characters.

-ap_eff

The appature efficiency of the telescope. In absorute value between 0.0 and 1.0, not in percent.

-mb_eff

The main beam efficiency of the telescope. In absorute value between 0.0 and 1.0, not in percent.

-fss_eff

The forward scattering and spilover efficiency of the telescope. In absorute value between 0.0 and 1.0, not in percent.

-beamsize | -hpbw

The full width at the maximum of the antenna power beam in arcmin.

-receiver | -rx_name

The name of receiver used. Less than or 7 characters

-sideband | -sb_mode lsb_ssb

The observation sideband mode and signal sideband.

lsb_ssb - Signal in LSB and observation made in SSB.

lsb_dsb - Signal in LSB and observation made in DSB.

usb_ssb - Signal in USB and observation made in SSB.

usb_dsb - Signal in USB and observation made in DSB.

-v_lsr

The "center velocity" of the profile in km/s respect to the Local Standard of the Rest. The "center velocity" means the standard referring velocity for the profile. In most cases this should be the same as that of the main targetting object. In some cases the actual center of the profile may be different.

-v_off

The "center velocity" of the profile in km/s respect to the Local Standard of the Rest for the off point. This is almost meaningless if the data is not taken in frequency switching. The "center velocity" means the standard referring velocity for the profile. In most cases this should be the same as that of the main targetting object. In some cases the actual center of the profile may be different.

-rest_freq

The rest frequency of the emission/absorption line to observe in GHz.

-obs_freq

The observation frequency of the receiver in GHz.

-local_freq

The frequency of the local oscilator in GHz.

-if_freq

The frequency of the first IF line in GHz.

-local_multiplier_order

The order of the multiplier attached to LO. Doubler is 2 and tripler is 3.

-T_sys | -system_temperature

The system noise temperature including the atmospheric extinction in Kelvin.

-T_rx | -receiver_temperature

The receiver noise temperature in Kelvin.

-data_rms

The rms noise level of the profile in Kelvin.

-calibrator_temperature

The brightness temperature of the thermal calibrator.

-data_weight

The weight of the profile. Usually it is caliculated based upon the value of the rms noise level. This is used by the command integ and others.

-data_scale_factor

The scaling factor of the data to adjust in Kelvin. The value should be multiply to the floating value of "profile.data[ch-1]" to get intensity in K.

-backend | -be_name

Name of the backend spectrometer. Less than or 8 characters.

-backend_channel_number | -backend_totel_channel

The total number of channels in the backend used. Less than or 2048.

-backend_basis_ch

After version 3 it is meaningless. It was the same meaning of "-be_center_ch".

-backend_ch_sign

Backend channel polarity. Positive means the RF frequency increases when the backend frequency increases. Negative means the RF frequency decreases.

-present_data_channel_number | -data_ch

The number of data channel. Originally it should be the same as the number of channel in the backend used but may change by processing such as smooth.

-be_center_ch

The "center channel" of the backend used. The "center channel" means the standard referring channel for the profile to estimate the relation between channel number and frequency on the spectrometer. In some cases the "central channel" may be half of the "-backend_channel_number".

-be_center_freq

The "center frequency" of the backend in MHz. The "center frequency" means the standard referring frequency for the profile to estimate the relation between channel number and frequency on the spectrometer. In some cases the "central frequency" may be the actual center of the full span of the profile.

-be_disp0

The 0th order coefficient of the despersion function of the spectrometer. The unit is MHz.

-be_disp1

The 1st order coefficient of the despersion function of the spectrometer. The unit is MHz per channel. The channel means present data channel for ver.3 and later data.

-be_disp2

The 2nd order coefficient of the despersion function of the spectrometer. The unit is MHz per square-channel

-be_disp3

The 3rd order coefficient of the despersion function of the spectrometer. The unit is MHz per cubic-channel

-be_disp4

The 4th order coefficient of the despersion function of the spectrometer. The unit is MHz per 4th-powers-of-(channel)

-be_freq_resolution

The frequency resolution of the backend in MHz. This is the original but not for the present effective resolution.

-be_ch_width

The binning width of the original channel. For the ver.3 and later data this parameter is meaningless.

-be_ch_origin

The binning start position on the original. For the ver.3 and later data this parameter is meaningless.

-site_name

Name of the observation site location. Less than or 8 characters.

-atm_temp | -atmospheric_temperature

The atmospheric temperature in Centigrade when the observations are done.

-atm_water | -atmospheric_water_pressure

The partial pressure of water vaper in mbar or hecto-Pascal when the obervations are done.

-atm_press | -atmospheric_pressure

The atmospheric pressure in mbar or hecto-Pascal when the observations are done.

-optical_depth_at_zenith | -tau0_at_observation

-observation_memo

Free memorundom in ASCII code. Less than or 64 characters.

-observation_comment

Free comment in ASCII code. Less than or 64 characters

DEFAULTS

-prm sdblist.prm

-arguments keep

All flags are off.

SEE ALSO

HISTORY

ver.3.01

2000/2/11 T.Handa

MANUAL VERSION