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|
Name |
Operation |
Constraint |
Sample |
Description |
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mobsid |
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or upload file
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58890516083556052B |
Unique ID for each medium-resolution spectrum in each exposure |
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obsid |
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or upload file
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588905160 |
Unique spectrum ID for each observation of each target |
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uid |
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or upload file
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G17075492961515 |
Unique source identifier calculated with the "ura" and "udec" in table 9 |
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gp_id |
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or upload file
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2552076546605734656 |
For each LAMOST source, the equatorial coordinates ("ura" and "udec" in table 9) used to calculate "uid" were from which survey (Pan-STARRS, Gaia or LAMOST), "gp_id" gives the corresponding source identifier in that survey. |
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designation |
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or upload file
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J010337.15+044341.8 |
Target designation |
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obsdate |
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or upload file
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2017-09-28 |
Target observation date |
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lmjd |
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or upload file
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58025 |
Local modified Julian day |
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mjd |
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or upload file
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58024 |
Modified Julian day |
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planid |
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or upload file
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HIP507401 |
Plan name |
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spid |
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or upload file
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5 |
Spectrograph ID |
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fiberid |
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or upload file
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160 |
Fiber ID |
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lmjm |
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or upload file
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83556052 |
Local modified Julian minute |
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band |
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or upload file
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B |
Having two values of B and R, which represent B and R band spectra |
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ra_obs |
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or upload file
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15.9048000000 |
Fiber pointing right ascension (degree) |
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dec_obs |
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or upload file
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4.7282813000 |
Fiber pointing declination (degree) |
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snr |
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or upload file
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5.08 |
The median value of all pixel S/Ns in B band spectrum or R band |
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gaia_source_id |
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or upload file
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2552076546605734656 |
The "source_id" field of Gaia DR3 catalog |
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gaia_g_mean_mag |
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or upload file
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14.95200000 |
The "phot_g_mean_mag" field of Gaia DR3 catalog |
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gaia_bp_mean_mag |
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or upload file
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15.2552000000 |
The "phot_bp_mean_mag" field of Gaia DR3 catalog |
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gaia_rp_mean_mag |
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or upload file
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14.4263000000 |
The "phot_rp_mean_mag" field of Gaia DR3 catalog |
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fibertype |
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or upload file
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Obj |
Fiber type of target [Obj, Sky, F-std, Unused, PosErr, Dead] |
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offsets |
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or upload file
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0 |
Whether there is a fiber offset during observation |
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offsets_v |
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or upload file
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0.000 |
If the "offsets" field is true, "offsets_v" gives the offset distance from the target"s coordinator in input catalog (arcsec) |
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ra |
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or upload file
|
15.9047999000 |
Right ascension from input catalog (degree) |
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dec |
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or upload file
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4.7282813000 |
Declination from input catalog (degree) |
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rv_b0 |
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or upload file
|
-53.14 |
Radial velocity of B band spectra measured with 483 selected KURUCZ synthetic templates (km/s) |
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rv_b0_err |
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or upload file
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3.15 |
Uncertainty of rv_b0 measured by the method LASP used (km/s) |
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rv_b1 |
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or upload file
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-46.79 |
Radial velocity after zero-point correction of rv_b0 (km/s) |
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rv_b1_err |
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or upload file
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3.28 |
Uncertainty of rv_b1 measured by the error propagation (km/s) |
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rv_b_flag |
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or upload file
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0 |
Radial velocity flag for B band spectra |
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rv_r0 |
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or upload file
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-600.00 |
Radial velocity of R band spectra measured with 483 selected KURUCZ synthetic templates (km/s) |
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rv_r0_err |
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or upload file
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0.22 |
Uncertainty of rv_r0 measured by the method LASP used (km/s) |
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rv_r1 |
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or upload file
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-602.82 |
Radial velocity after zero-point correction of rv_r0 (km/s) |
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rv_r1_err |
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or upload file
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0.23 |
Uncertainty of rv_r measured by the error propagation (km/s) |
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rv_r_flag |
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or upload file
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0 |
Radial velocity flag for R band spectra |
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rv_br0 |
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or upload file
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-600.00 |
Radial velocity of B + R spectra measured with 483 selected KURUCZ synthetic templates (km/s) |
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rv_br0_err |
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or upload file
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0.13 |
Uncertainty of rv_br0 measured by the method LASP used (km/s) |
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rv_br1 |
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or upload file
|
-601.39 |
Radial velocity after zero-point correction of rv_br0 (km/s) |
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rv_br1_err |
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or upload file
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0.13 |
Uncertainty of rv_br1 measured by the error propagation (km/s) |
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rv_br_flag |
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or upload file
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0 |
Radial velocity flag for B + R spectra (km/s) |
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rv_lasp0 |
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or upload file
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-490.59 |
Radial velocity measured by the LASP (km/s) |
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rv_lasp0_err |
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or upload file
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0.01 |
Uncertainty of rv_lasp0 also given by the LASP (km/s) |
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rv_lasp1 |
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or upload file
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-489.63 |
Radial velocity after zero-point correction of rv_lasp0 (km/s) |
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rv_lasp1_err |
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or upload file
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0.22 |
Uncertainty of rv_lasp1 measured by the error propagation (km/s) |
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coadd |
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or upload file
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0 |
A flag to show whether it is a coadd spectrum |
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fibermask |
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or upload file
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0 |
Possible fiber problems |
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bad_b |
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or upload file
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0 |
A flag to show whether the B band spectra is problematic |
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bad_r |
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or upload file
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0 |
A flag to show whether the R band spectra is problematic |
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moon_angle |
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or upload file
|
95.1 |
The angular distance of each target to the moon (degree) |
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lunardate |
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or upload file
|
9 |
The date of Chinese lunar calendar, which represents the moon phase, and its value is from 1 to 30. |
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moon_flg |
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or upload file
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0 |
This is a flag for "moon_angle", and it has two values of 0 and 1, which represent the range of angular distance. If ""moon_flg"" equals to 1, it indicates that angular distance is in the range of [10 degree, 30 degree], and it represents that the angular distance is larger than 30 degree when "moon_flg" equals to 0. |
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subproject |
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or upload file
|
MRS_TEST |
The sub-project names of LAMOST Medium-Resolution Spectroscopic Survey |
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