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Table: usno.b1
(The bold columns are indexed columns)
| Column Name | Description | Datatype |
|---|---|---|
| b1_c | Source of photometric calibration | SMALLINT |
| b1_eta | Residual in Y direction | REAL |
| b1_f | Field number on survey | SMALLINT |
| b1_mag | First blue magnitude | REAL |
| b1_s | Survey number | SMALLINT |
| b1_sg | Star-galaxy separation | SMALLINT |
| b1_xi | Residual in X direction | REAL |
| b2_c | Source of photometric calibration | SMALLINT |
| b2_eta | Residual in Y direction | REAL |
| b2_f | Field number in survey | SMALLINT |
| b2_mag | Second blue mag | REAL |
| b2_s | Survey number | SMALLINT |
| b2_sg | Star-galaxy separation | SMALLINT |
| b2_xi | Residual in X direction | REAL |
| dej2000 | Declination (ICRS) | DOUBLE |
| dej2000_ | Declination (ICRS, sexagesimal) | CHAR |
| e_dej2000 | Mean error on DEdeg at Epoch | INTEGER |
| e_pmde | Mean error on pmDE | SMALLINT |
| e_pmra | Mean error on pmRA | SMALLINT |
| epoch | Mean epoch of observation | REAL |
| e_raj2000 | Mean error on RAdeg*cos(DEdeg) at Epoch | INTEGER |
| fit_de | Mean error on DEC fit | SMALLINT |
| fit_ra | Mean error on RA fit | SMALLINT |
| flags | Flags on object | CHAR |
| htm9 | HTM index (order 9 => ~10 arcmin size) | BIGINT |
| i_c | Source of photometric calibration | SMALLINT |
| id | Object identifier | CHAR |
| i_eta | Residual in X direction | REAL |
| i_f | Field number in survey | SMALLINT |
| i_mag | Infrared (N) magnitude | REAL |
| i_s | Survey number | SMALLINT |
| i_sg | Star-galaxy separation | SMALLINT |
| i_xi | Residual in X direction | REAL |
| mupr | Total proper motion probability | SMALLINT |
| ndet | Number of detections | SMALLINT |
| nest256 | HEALPIX index (Nsides 256 => ~14 arcmin size) | INTEGER |
| pmde | Proper motion in DE (relative to YS4.0) | INTEGER |
| pmra | Proper motion in RA (relative to YS4.0) | INTEGER |
| r1_c | Source of photometric calibration | SMALLINT |
| r1_eta | Residual in Y direction | REAL |
| r1_f | Field number on survey | SMALLINT |
| r1_mag | First red magnitude | REAL |
| r1_s | Survey number | SMALLINT |
| r1_sg | Star-galaxy separation | SMALLINT |
| r1_xi | Residual in X direction | REAL |
| r2_c | Source of photometric calibration | SMALLINT |
| r2_eta | Residual in Y direction | REAL |
| r2_f | Field number in survey | SMALLINT |
| r2_mag | Second red mag | REAL |
| r2_s | Survey number | SMALLINT |
| r2_sg | Star-galaxy separation | SMALLINT |
| r2_xi | Residual in X direction | REAL |
| raj2000 | Right Ascension (ICRS) | DOUBLE |
| raj2000_ | Right Ascension (ICRS, sexagesimal) | CHAR |
| ring256 | Ring-scheme HEALPix (Gorski et al. 2005) index with NSIDE=256 (~14 arcmin resolution) | INTEGER |
