Exposure
- ID
- GRAVI.2021-08-27T04:33:50.648_2
- Header ID
- GRAVI.2021-08-27T04:33:50.648
- Date updated
- 2021-08-27 04:45:35 UTC+0000
- Release date
- 2022-08-27 04:45:35 UTC+0000
- UTC Start
- 2021-08-27 04:33:50.648
- UTC End
- 2021-08-27 04:34:54.648
- MJD Start
- 59453.19016954
- MJD End
- 59453.1909102807
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004414
- Ambient temperature (°C)
- 8.64
- Seeing (arcsec)
- 0.645
Observation
- ID
- 47975
- Category
- science
- Program ID
- 1104.C-0651(D)
- 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
- 35998
- Name
- HR_8799
- RA
- 346.869645833333
- DEC
- 21.1342505555556
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 | 38.6230 | 38.7430 | 29.8000 | 30.0000 |
| U1-U3 | 71.7900 | 72.0570 | 38.8000 | 38.9000 |
| U1-U4 | 109.7800 | 110.1660 | 71.1360 | 71.0750 |
| U2-U3 | 34.1670 | 34.3060 | 48.9000 | 48.9000 |
| U2-U4 | 84.6980 | 84.8640 | 88.6580 | 88.5310 |
| U3-U4 | 62.3970 | 62.3790 | 109.1690 | 109.0440 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 1104.C-0651(D) |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59453.19016954 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HR 8799 |
| HIERARCH ESO INS SOBJ NAME | HR8799e_new |
| RA | 346.872364 |
| DEC | 21.13412 |
| 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 | 38.623 |
| HIERARCH ESO ISS PBL12 END | 38.743 |
| HIERARCH ESO ISS PBLA12 START | 29.8 |
| HIERARCH ESO ISS PBLA12 END | 30.0 |
| HIERARCH ESO ISS PBL13 START | 71.79 |
| HIERARCH ESO ISS PBL13 END | 72.057 |
| HIERARCH ESO ISS PBLA13 START | 38.8 |
| HIERARCH ESO ISS PBLA13 END | 38.9 |
| HIERARCH ESO ISS PBL14 START | 109.78 |
| HIERARCH ESO ISS PBL14 END | 110.166 |
| HIERARCH ESO ISS PBLA14 START | 71.136 |
| HIERARCH ESO ISS PBLA14 END | 71.075 |
| HIERARCH ESO ISS PBL23 START | 34.167 |
| HIERARCH ESO ISS PBL23 END | 34.306 |
| HIERARCH ESO ISS PBLA23 START | 48.9 |
| HIERARCH ESO ISS PBLA23 END | 48.9 |
| HIERARCH ESO ISS PBL24 START | 84.698 |
| HIERARCH ESO ISS PBL24 END | 84.864 |
| HIERARCH ESO ISS PBLA24 START | 88.658 |
| HIERARCH ESO ISS PBLA24 END | 88.531 |
| HIERARCH ESO ISS PBL34 START | 62.397 |
| HIERARCH ESO ISS PBL34 END | 62.379 |
| HIERARCH ESO ISS PBLA34 START | 109.169 |
| HIERARCH ESO ISS PBLA34 END | 109.044 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004175 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004653 |
| HIERARCH ESO ISS AMBI TEMP | 8.64 |
| HIERARCH ESO ISS AMBI FWHM START | 0.66 |
| HIERARCH ESO ISS AMBI FWHM END | 0.63 |
| HIERARCH ESO FT ROBJ NAME | HR_8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.715 |
| HIERARCH ESO FT ROBJ DELTA | 210803.302 |