| B/hst/obscore | HST Archived Exposures Catalog (STScI, 2007) HST observation logs (sample) (original column names in green) (14460434 rows) | -c=133.397430276561 +51.30723185994580, eq=J2000, rs=0.005 |
| Column | Value | Explain (UCD) | |
| _r | 0.000 | arcsec | Distance from center (133.397430276561+51.30723185994581)[FK5/J2000] (pos.angDistance) |
| _RAJ2000 | 08 53 35.38326637465 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra) |
| _DEJ2000 | +51 18 26.0346958049 | "d:m:s" | Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec) |
| _RAB1950 | 08 50 00.39113043746 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra) |
| _DEB1950 | +51 29 48.6179201441 | "d:m:s" | Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec) |
| _Glon | 167.33317499771451 | deg | Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) |
| _Glat | +39.68725088762400 | deg | Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) |
| obs_publisher_did | ivo://cadc.nrc.ca/HST?u67g3602m/u67g3602m_c0m | publisher dataset identifier (meta.id;meta.dataset) | |
| obs_collection | HST | Collection short name for the data colection (meta.id;meta.dataset) | |
| facility_name | HST | telescope name (meta.id;instr.tel) | |
| instrument_name | WFPC2 | instrument name (meta.id;instr) | |
| obs_id | u67g3602m | internal dataset identifier (meta.id;meta.dataset) | |
| dataproduct_type | image | type of product (meta.note) | |
| calib_level | 2 | calibration level (0,1,2,3) (phot.calib;arith.zp) | |
| obs_release_date | 21566343 | s | timestamp of date the data becomes publicly available (time.epoch) |
| target_name | NGC2681 | name of intended target (meta.id) | |
| s_ra | 133.397430276561 | deg | (i) RA of central coordinates (J2000) (s_ra) (pos.eq.ra;meta.main) |
| s_dec | +51.30723185994580 | deg | (i) DEC of central coordinates (J2000) (s_dec) (pos.eq.dec;meta.main) |
| s_fov | 0.05926597477977 | size of the region covered (∼diameter of minimum bounding circle) (instr.fov;instr.pixel) | |
| s_region | Polygon ICRS 133.35815322971905 51.29040232965009 133.36157937613956 51.31242663967983 133.396073355764 51.32988895383669 133.43135074490263 51.32806867116358 133.42534606151628 51.28659712206922 | region bounded by observation (obs.field) | |
| s_resolution | 0.0838664913594 | typical spatial resolution (pos.angResolution) | |
| s_xel1 | 1515 | dimensions (number of pixels) along one spatial axis (meta.number) | |
| s_xel2 | 1524 | dimensions (number of pixels) along the other spatial axis (meta.number) | |
| t_min | 51790.9848740 | d | start time of observation (MJD) (t_min) (time.epoch) |
| t_max | 51790.9906611 | d | end time of observation (MJD) (t_max) (time.epoch) |
| t_exptime | 500.000000 | s | exposure time of observation (time.expo) |
| t_resolution | typical temporal resolution (pos.angResolution) | ||
| t_xel | 4 | dimensions (number of pixels) along the time axis (time.scale) | |
| em_min | 2.5497e-07 | m | start spectral coordinate value (instr.bandpass) |
| em_max | 3.28990000000e-07 | m | stop spectral coordinate value (instr.bandpass) |
| em_res_power | 0.0838664993644 | typical spectral resolution (spect.resolution) | |
| em_xel | 4 | dimensions (number of pixels) along the energy axis (phys.size) | |
| em_ucd | UCD describing the spectral axis (meta.number) | ||
| pol_states | polarization states present in the data (phys.polarization) | ||
| pol_xel | dimensions (number of pixels) along the polarization axis (phys.size) | ||
| o_ucd | phot.count | UCD describing the observable axis (pixel values) (meta.number) | |
| access_url | Datalink | URL to download the data (meta.ref.url) | |
| access_format | application/x-votable+xml;content=datalink | format of the data files (meta.note) | |
| access_estsize | estimated size of the download (meta.number) | ||
| core_id | 00000000-0000-0000-fafa-014307f39909 | primary key (meta.id.part;meta.main) | |
| lastModified | 2018-03-07T22:08:55 | s | (i) timestamp of last modification of the metadata (lastModified) (time.epoch) |
| Column | Value | Explain (UCD) | |
| _r | 0.001 | arcsec | Distance from center (133.397430276561+51.30723185994581)[FK5/J2000] (pos.angDistance) |
| _RAJ2000 | 08 53 35.38322631697 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra) |
| _DEJ2000 | +51 18 26.0351349520 | "d:m:s" | Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec) |
| _RAB1950 | 08 50 00.39108994607 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra) |
| _DEB1950 | +51 29 48.6183571435 | "d:m:s" | Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec) |
| _Glon | 167.33317485177935 | deg | Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) |
| _Glat | +39.68725077292683 | deg | Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) |
| obs_publisher_did | ivo://cadc.nrc.ca/HST?u67g3601r/u67g3601r_c0m | publisher dataset identifier (meta.id;meta.dataset) | |
| obs_collection | HST | Collection short name for the data colection (meta.id;meta.dataset) | |
| facility_name | HST | telescope name (meta.id;instr.tel) | |
| instrument_name | WFPC2 | instrument name (meta.id;instr) | |
| obs_id | u67g3601r | internal dataset identifier (meta.id;meta.dataset) | |
| dataproduct_type | image | type of product (meta.note) | |
| calib_level | 2 | calibration level (0,1,2,3) (phot.calib;arith.zp) | |
| obs_release_date | 21566216 | s | timestamp of date the data becomes publicly available (time.epoch) |
| target_name | NGC2681 | name of intended target (meta.id) | |
| s_ra | 133.397430109654 | deg | (i) RA of central coordinates (J2000) (s_ra) (pos.eq.ra;meta.main) |
| s_dec | +51.30723198193110 | deg | (i) DEC of central coordinates (J2000) (s_dec) (pos.eq.dec;meta.main) |
| s_fov | 0.05926674513222 | size of the region covered (∼diameter of minimum bounding circle) (instr.fov;instr.pixel) | |
| s_region | Polygon ICRS 133.3581525523098 51.29040223283126 133.36157874316842 51.31242682916572 133.39607317109045 51.329889370314085 133.43135101911827 51.328069063977686 133.42534625747427 51.28659697579129 | region bounded by observation (obs.field) | |
| s_resolution | 0.0838664913594 | typical spatial resolution (pos.angResolution) | |
| s_xel1 | 1515 | dimensions (number of pixels) along one spatial axis (meta.number) | |
| s_xel2 | 1524 | dimensions (number of pixels) along the other spatial axis (meta.number) | |
| t_min | 51790.9772351 | d | start time of observation (MJD) (t_min) (time.epoch) |
| t_max | 51790.9830222 | d | end time of observation (MJD) (t_max) (time.epoch) |
| t_exptime | 500.000000 | s | exposure time of observation (time.expo) |
| t_resolution | typical temporal resolution (pos.angResolution) | ||
| t_xel | 4 | dimensions (number of pixels) along the time axis (time.scale) | |
| em_min | 2.5497e-07 | m | start spectral coordinate value (instr.bandpass) |
| em_max | 3.28990000000e-07 | m | stop spectral coordinate value (instr.bandpass) |
| em_res_power | 0.0838664993644 | typical spectral resolution (spect.resolution) | |
| em_xel | 4 | dimensions (number of pixels) along the energy axis (phys.size) | |
| em_ucd | UCD describing the spectral axis (meta.number) | ||
| pol_states | polarization states present in the data (phys.polarization) | ||
| pol_xel | dimensions (number of pixels) along the polarization axis (phys.size) | ||
| o_ucd | phot.count | UCD describing the observable axis (pixel values) (meta.number) | |
| access_url | Datalink | URL to download the data (meta.ref.url) | |
| access_format | application/x-votable+xml;content=datalink | format of the data files (meta.note) | |
| access_estsize | estimated size of the download (meta.number) | ||
| core_id | 00000000-0000-0000-0940-014307f39bbe | primary key (meta.id.part;meta.main) | |
| lastModified | 2018-03-07T22:08:58 | s | (i) timestamp of last modification of the metadata (lastModified) (time.epoch) |
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