STELLA Observations (stella_vpnep.stella_obs)
The table has 2114 rows, 14 columns.
Description
Listing of the observations of the survey which were taken using STELLA and SES. Contains columns which are specific to STELLA observations.
Columns
| Name | Type | UCD | Unit | Description |
|---|---|---|---|---|
| obsid | char |
meta.id meta.ref |
Observation ID |
|
| telfocus | float | steps |
STELLA II telescope focus position |
|
| ambtemp | float | phys.temperature | C |
Ambient temperature |
| relhum | float | % |
Relative Humidity |
|
| tempm1 | float | phys.temperature | C |
Main mirror temperature |
| windavrg | float | phys.veloc | m/s |
Wind speed averaged over the exposure |
| winddir | float | deg |
Wind direction |
|
| windmax | float | phys.veloc | m/s |
Wind gusts during the exposure |
| atmpress | float | phys.pressure | mbar |
Atmospheric pressure at the observatory |
| dewpoint | float | phys.temperature | C |
Dew point temperature |
| guideloss | float |
Number of times guiding was lost, usually only when clouds present |
||
| seseff | float | fraction of 1 |
Estimated efficiency from amount of light entering the fiber in the combined guiding frames |
|
| snest | float | stat.snr |
Estimated signal to noise ratio of the observation, measured from the raw 2-d image in a region near H-Alpha line |
|
| snscs | float | stat.snr |
Estimated signal to noise ratio from SCS during order combining and normalising |