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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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112690123386548498R |
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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1126901233 |
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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G13595278477246 |
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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2147643115843175168 |
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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J183151.27+553123.2 |
Target designation |
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obsdate |
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or upload file
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2023-06-07 |
Target observation date |
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lmjd |
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or upload file
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60103 |
Local modified Julian day |
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mjd |
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or upload file
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60102 |
Modified Julian day |
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planid |
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or upload file
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TD182759N572354T01 |
Plan name |
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spid |
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or upload file
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1 |
Spectrograph ID |
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fiberid |
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or upload file
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233 |
Fiber ID |
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lmjm |
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or upload file
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86548498 |
Local modified Julian minute |
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band |
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or upload file
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R |
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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277.9636300000 |
Fiber pointing right ascension (degree) |
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dec_obs |
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or upload file
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55.5231290000 |
Fiber pointing declination (degree) |
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snr |
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or upload file
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29.25 |
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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2147643115843175168 |
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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13.00490300 |
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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13.2683450000 |
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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12.5878830000 |
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
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277.9636309000 |
Right ascension from input catalog (degree) |
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dec |
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or upload file
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55.5231289000 |
Declination from input catalog (degree) |
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rv_b0 |
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or upload file
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-40.54 |
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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1.84 |
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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-41.63 |
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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1.92 |
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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-37.69 |
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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2.61 |
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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-38.43 |
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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2.75 |
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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-40.39 |
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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1.60 |
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
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-41.40 |
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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1.66 |
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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0.04 |
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
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85.7 |
The angular distance of each target to the moon (degree) |
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lunardate |
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or upload file
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19 |
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
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MRS_TD_T |
The sub-project names of LAMOST Medium-Resolution Spectroscopic Survey |
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alpha_m_cnn |
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or upload file
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-0.407 |
Alpha element abundance estimated by the CNN method (dex) |
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teff_cnn |
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or upload file
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3191.77 |
Effective temperature estimated by the CNN method (K) |
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cu_fe |
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or upload file
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-1.960100 |
Individual element abundance of [Cu/Fe] estimated by the CNN method (dex) |
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n_fe |
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or upload file
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-0.570810 |
Individual element abundance of [N/Fe] estimated by the CNN method (dex) |
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cr_fe |
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or upload file
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-1.821080 |
Individual element abundance of [Cr/Fe] estimated by the CNN method (dex) |
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feh_cnn |
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or upload file
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-2.417 |
Fe abundance estimated by the CNN method |
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c_fe |
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or upload file
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-0.962690 |
Individual element abundance of [C/Fe] estimated by the CNN method (dex) |
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ni_fe |
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or upload file
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-1.837480 |
Individual element abundance of [Ni/Fe] estimated by the CNN method (dex) |
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alpha_m_lasp |
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or upload file
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-0.580000 |
Alpha element abundance estimated by the LASP (dex) |
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o_fe |
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or upload file
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-0.250970 |
Individual element abundance of [O/Fe] estimated by the CNN method (dex) |
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ca_fe |
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or upload file
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-1.035290 |
Individual element abundance of [Ca/Fe] estimated by the CNN method (dex) |
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logg_lasp_err |
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or upload file
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0.001 |
Surface gravity uncertainty given by the LASP (dex) |
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mg_fe |
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or upload file
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-2.056580 |
Individual element abundance of [Mg/Fe] estimated by the CNN method (dex) |
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vsini_lasp_err |
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or upload file
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Uncertainty of vsini_el given by the LASP |
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alpha_m_lasp_err |
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or upload file
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0.001314 |
The uncertainty of alpha_m_lasp (dex) |
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ti_fe |
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or upload file
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-0.531470 |
Individual element abundance of [Ti/Fe] estimated by the CNN method (dex) |
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si_fe |
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or upload file
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-0.455870 |
Individual element abundance of [Si/Fe] estimated by the CNN method (dex) |
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vsini_lasp |
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or upload file
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27.002 |
Projected rotation velocity given by the LASP |
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teff_lasp_err |
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or upload file
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0.56 |
Effective temperature uncertainty given by the LASP (K) |
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feh_lasp_err |
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or upload file
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0.000 |
Metallicity uncertainty given by the LASP (dex) |
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s_fe |
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or upload file
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-0.744230 |
Individual element abundance of [S/Fe] estimated by the CNN method (dex) |
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m_h_cnn |
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or upload file
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-2.439 |
Metallicity estimated by the CNN method |
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al_fe |
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or upload file
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-0.899960 |
Individual element abundance of [Al/Fe] estimated by the CNN method (dex) |
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teff_lasp |
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or upload file
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3100.00 |
Effective temperature given by the LASP (K) |
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logg_lasp |
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or upload file
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-0.239 |
Surface gravity given by the LASP (dex) |
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feh_lasp |
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or upload file
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-2.500 |
Metallicity given by the LASP (dex) |
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logg_cnn |
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or upload file
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-0.345 |
Surface gravity estimated by the CNN method (dex) |
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gaia_vari_type_sos |
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agn |
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gaia_vari_type_sos_arr |
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or upload file
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['agn'] |
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file |
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or upload file
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20230607/TD182759N572354T01/med-60103-TD182759N572354T01_sp01-233.fits.gz |
file save path |
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spec |
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or upload file
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med-60103-TD182759N572354T01_sp01-233 |
FITS filename |
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