Exposure
- ID
- GRAVI.2022-01-20T03:08:16.750_1
- Header ID
- GRAVI.2022-01-20T03:08:16.750
- Date updated
- 2022-01-20 03:15:50 UTC+0000
- Release date
- 2022-01-20 03:08:16 UTC+0000
- UTC Start
- 2022-01-20 03:08:16.750
- UTC End
- 2022-01-20 03:08:48.750
- MJD Start
- 59599.13074942
- MJD End
- 59599.1311197904
- Exposure time (s)
- 32.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007728
- Ambient temperature (°C)
- 16.89
- Seeing (arcsec)
- 0.76
Observation
- ID
- 49308
- Category
- calibrator
- Program ID
- 60.A-9801(U)
- Program Title
- TECHNICAL TIME
- Program Type
- Normal
- PI / COI
- OBSERVATORY, P
Target
- ID
- 36892
- Name
- HD_30891
- RA
- 72.537998
- DEC
- -30.26066
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.5420 | 54.5150 | 34.9000 | 34.9000 |
| U1-U3 | 98.0020 | 97.9400 | 41.3000 | 41.3000 |
| U1-U4 | 121.4280 | 121.2870 | 70.6330 | 70.7150 |
| U2-U3 | 44.2190 | 44.1840 | 49.2000 | 49.2000 |
| U2-U4 | 83.4930 | 83.3910 | 93.0750 | 93.1840 |
| U3-U4 | 60.0550 | 60.0100 | 123.7790 | 123.9130 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9801(U) |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 59599.13074942 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 30891 |
| HIERARCH ESO INS SOBJ NAME | HD_30891 |
| RA | 72.537998 |
| DEC | -30.26066 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 54.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 54.542 |
| HIERARCH ESO ISS PBL12 END | 54.515 |
| HIERARCH ESO ISS PBLA12 START | 34.9 |
| HIERARCH ESO ISS PBLA12 END | 34.9 |
| HIERARCH ESO ISS PBL13 START | 98.002 |
| HIERARCH ESO ISS PBL13 END | 97.94 |
| HIERARCH ESO ISS PBLA13 START | 41.3 |
| HIERARCH ESO ISS PBLA13 END | 41.3 |
| HIERARCH ESO ISS PBL14 START | 121.428 |
| HIERARCH ESO ISS PBL14 END | 121.287 |
| HIERARCH ESO ISS PBLA14 START | 70.633 |
| HIERARCH ESO ISS PBLA14 END | 70.715 |
| HIERARCH ESO ISS PBL23 START | 44.219 |
| HIERARCH ESO ISS PBL23 END | 44.184 |
| HIERARCH ESO ISS PBLA23 START | 49.2 |
| HIERARCH ESO ISS PBLA23 END | 49.2 |
| HIERARCH ESO ISS PBL24 START | 83.493 |
| HIERARCH ESO ISS PBL24 END | 83.391 |
| HIERARCH ESO ISS PBLA24 START | 93.075 |
| HIERARCH ESO ISS PBLA24 END | 93.184 |
| HIERARCH ESO ISS PBL34 START | 60.055 |
| HIERARCH ESO ISS PBL34 END | 60.01 |
| HIERARCH ESO ISS PBLA34 START | 123.779 |
| HIERARCH ESO ISS PBLA34 END | 123.913 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007124 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008332 |
| HIERARCH ESO ISS AMBI TEMP | 16.89 |
| HIERARCH ESO ISS AMBI FWHM START | 0.8 |
| HIERARCH ESO ISS AMBI FWHM END | 0.72 |