Exposure
- ID
- GRAVI.2022-01-23T05:45:19.508_2
- Header ID
- GRAVI.2022-01-23T05:45:19.508
- Date updated
- 2022-01-23 05:56:05 UTC+0000
- Release date
- 2023-01-23 05:56:05 UTC+0000
- UTC Start
- 2022-01-23 05:45:19.508
- UTC End
- 2022-01-23 05:46:23.508
- MJD Start
- 59602.23980912
- MJD End
- 59602.24054986074
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.018929500000000002
- Ambient temperature (°C)
- 13.93
- Seeing (arcsec)
- 0.28
Observation
- ID
- 49355
- Category
- science
- Program ID
- 1104.C-0651(B)
- Program Title
- AN INTERFEROMETRIC SURVEY OF THE DYNAMICS AND CHEMICAL COMPOSITION OF DIRECTLY IMAGED EXOPLANETS
- Program Type
- DDT
- PI / COI
- LACOUR/ NOWAK/ WANG/ MOLLI`ERE/ CHOQUET/ PUEYO/ GREENBAUM/ WARD-DUONG/ BONNEFOY/ RAMEAU/ CHARNAY/ BOCCALETTI/ PETRUS/ BERGER/ LE BOUQUIN/ MONNIER/ GARDNER/ BENISTY/ GIRARD/ PALADINI/ MULLER/ KEPPLER/ LAGRANGE/ MOUILLET/ PERRIN/ KERVELLA/ ...
Target
- ID
- 36925
- Name
- HD91881
- RA
- 159.01877916666663
- DEC
- -26.67548138888889
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3620 | 56.3690 | 16.1000 | 16.3000 |
| U1-U3 | 101.7250 | 101.7500 | 22.2000 | 22.4000 |
| U1-U4 | 126.2370 | 126.3690 | 49.7280 | 49.9370 |
| U2-U3 | 46.0650 | 46.0850 | 29.6000 | 29.8000 |
| U2-U4 | 85.1930 | 85.3330 | 71.1960 | 71.3860 |
| U3-U4 | 59.2210 | 59.3260 | 102.2660 | 102.4020 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 1104.C-0651(B) |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59602.23980912 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD91881 |
| HIERARCH ESO INS SOBJ NAME | HD91881B |
| RA | 159.021188 |
| DEC | -26.6756 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| 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 | 86.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 64 |
| HIERARCH ESO ISS PBL12 START | 56.362 |
| HIERARCH ESO ISS PBL12 END | 56.369 |
| HIERARCH ESO ISS PBLA12 START | 16.1 |
| HIERARCH ESO ISS PBLA12 END | 16.3 |
| HIERARCH ESO ISS PBL13 START | 101.725 |
| HIERARCH ESO ISS PBL13 END | 101.75 |
| HIERARCH ESO ISS PBLA13 START | 22.2 |
| HIERARCH ESO ISS PBLA13 END | 22.4 |
| HIERARCH ESO ISS PBL14 START | 126.237 |
| HIERARCH ESO ISS PBL14 END | 126.369 |
| HIERARCH ESO ISS PBLA14 START | 49.728 |
| HIERARCH ESO ISS PBLA14 END | 49.937 |
| HIERARCH ESO ISS PBL23 START | 46.065 |
| HIERARCH ESO ISS PBL23 END | 46.085 |
| HIERARCH ESO ISS PBLA23 START | 29.6 |
| HIERARCH ESO ISS PBLA23 END | 29.8 |
| HIERARCH ESO ISS PBL24 START | 85.193 |
| HIERARCH ESO ISS PBL24 END | 85.333 |
| HIERARCH ESO ISS PBLA24 START | 71.196 |
| HIERARCH ESO ISS PBLA24 END | 71.386 |
| HIERARCH ESO ISS PBL34 START | 59.221 |
| HIERARCH ESO ISS PBL34 END | 59.326 |
| HIERARCH ESO ISS PBLA34 START | 102.266 |
| HIERARCH ESO ISS PBLA34 END | 102.402 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.018729 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.01913 |
| HIERARCH ESO ISS AMBI TEMP | 13.93 |
| HIERARCH ESO ISS AMBI FWHM START | 0.29 |
| HIERARCH ESO ISS AMBI FWHM END | 0.27 |
| HIERARCH ESO FT ROBJ NAME | HD91881 |
| HIERARCH ESO FT ROBJ ALPHA | 103604.507 |
| HIERARCH ESO FT ROBJ DELTA | -264031.733 |