Exposure
- ID
- GRAVI.2023-05-10T02:21:03.478_2
- Header ID
- GRAVI.2023-05-10T02:21:03.478
- Date updated
- 2023-05-23 13:30:24 UTC+0000
- Release date
- 2024-05-23 13:02:02 UTC+0000
- UTC Start
- 2023-05-10 02:21:03.478
- UTC End
- 2023-05-10 02:21:32.278
- MJD Start
- 60074.09795692
- MJD End
- 60074.0982902533
- Exposure time (s)
- 28.8
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009122
- Ambient temperature (°C)
- 15.13
- Seeing (arcsec)
- 0.72
Observation
- ID
- 55560
- Category
- science
- Program ID
- 1104.C-0651(G)
- 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
- 40990
- Name
- HD91881B
- RA
- 159.01843375
- DEC
- -26.6752872222222
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 | 53.9030 | 53.8680 | 36.9000 | 36.9000 |
| U1-U3 | 96.1540 | 96.0720 | 43.0000 | 43.1000 |
| U1-U4 | 114.6880 | 114.4880 | 72.5740 | 72.6410 |
| U2-U3 | 42.9500 | 42.9020 | 50.8000 | 50.8000 |
| U2-U4 | 77.5580 | 77.4080 | 96.4840 | 96.5940 |
| U3-U4 | 56.6470 | 56.5780 | 129.3590 | 129.5140 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 1104.C-0651(G) |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60074.09795692 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD91881 |
| HIERARCH ESO INS SOBJ NAME | HD91881 |
| RA | 159.021474 |
| DEC | -26.67543 |
| 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 | 55.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 96 |
| HIERARCH ESO ISS PBL12 START | 53.903 |
| HIERARCH ESO ISS PBL12 END | 53.868 |
| HIERARCH ESO ISS PBLA12 START | 36.9 |
| HIERARCH ESO ISS PBLA12 END | 36.9 |
| HIERARCH ESO ISS PBL13 START | 96.154 |
| HIERARCH ESO ISS PBL13 END | 96.072 |
| HIERARCH ESO ISS PBLA13 START | 43.0 |
| HIERARCH ESO ISS PBLA13 END | 43.1 |
| HIERARCH ESO ISS PBL14 START | 114.688 |
| HIERARCH ESO ISS PBL14 END | 114.488 |
| HIERARCH ESO ISS PBLA14 START | 72.574 |
| HIERARCH ESO ISS PBLA14 END | 72.641 |
| HIERARCH ESO ISS PBL23 START | 42.95 |
| HIERARCH ESO ISS PBL23 END | 42.902 |
| HIERARCH ESO ISS PBLA23 START | 50.8 |
| HIERARCH ESO ISS PBLA23 END | 50.8 |
| HIERARCH ESO ISS PBL24 START | 77.558 |
| HIERARCH ESO ISS PBL24 END | 77.408 |
| HIERARCH ESO ISS PBLA24 START | 96.484 |
| HIERARCH ESO ISS PBLA24 END | 96.594 |
| HIERARCH ESO ISS PBL34 START | 56.647 |
| HIERARCH ESO ISS PBL34 END | 56.578 |
| HIERARCH ESO ISS PBLA34 START | 129.359 |
| HIERARCH ESO ISS PBLA34 END | 129.514 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009924 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00832 |
| HIERARCH ESO ISS AMBI TEMP | 15.13 |
| HIERARCH ESO ISS AMBI FWHM START | 0.67 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |
| HIERARCH ESO FT ROBJ NAME | HD91881B |
| HIERARCH ESO FT ROBJ ALPHA | 103604.4241 |
| HIERARCH ESO FT ROBJ DELTA | -264031.0340 |