Exposure
- ID
- GRAVI.2023-07-02T09:08:43.519_2
- Header ID
- GRAVI.2023-07-02T09:08:43.519
- Date updated
- 2023-07-02 09:25:37 UTC+0000
- Release date
- 2024-07-02 09:25:37 UTC+0000
- UTC Start
- 2023-07-02 09:08:43.519
- UTC End
- 2023-07-02 09:15:23.519
- MJD Start
- 60127.38105925
- MJD End
- 60127.3856888796
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0041895
- Ambient temperature (°C)
- 13.58
- Seeing (arcsec)
- 0.635
Observation
- ID
- 56117
- 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
- 41566
- Name
- HR_8799
- RA
- 346.869645833333
- DEC
- 21.1342527777778
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 | 43.1400 | 43.7390 | 35.0000 | 35.5000 |
| U1-U3 | 81.3000 | 82.4900 | 42.3000 | 42.5000 |
| U1-U4 | 121.5910 | 122.7880 | 68.4850 | 68.0700 |
| U2-U3 | 38.8980 | 39.4570 | 50.4000 | 50.4000 |
| U2-U4 | 88.8670 | 89.1160 | 84.0290 | 83.4080 |
| U3-U4 | 60.4590 | 60.0000 | 104.9150 | 104.3900 |
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 | 60127.38105925 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HR 8799 |
| HIERARCH ESO INS SOBJ NAME | HR8799c |
| RA | 346.871781 |
| DEC | 21.1342 |
| 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 | 418.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 43.14 |
| HIERARCH ESO ISS PBL12 END | 43.739 |
| HIERARCH ESO ISS PBLA12 START | 35.0 |
| HIERARCH ESO ISS PBLA12 END | 35.5 |
| HIERARCH ESO ISS PBL13 START | 81.3 |
| HIERARCH ESO ISS PBL13 END | 82.49 |
| HIERARCH ESO ISS PBLA13 START | 42.3 |
| HIERARCH ESO ISS PBLA13 END | 42.5 |
| HIERARCH ESO ISS PBL14 START | 121.591 |
| HIERARCH ESO ISS PBL14 END | 122.788 |
| HIERARCH ESO ISS PBLA14 START | 68.485 |
| HIERARCH ESO ISS PBLA14 END | 68.07 |
| HIERARCH ESO ISS PBL23 START | 38.898 |
| HIERARCH ESO ISS PBL23 END | 39.457 |
| HIERARCH ESO ISS PBLA23 START | 50.4 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 88.867 |
| HIERARCH ESO ISS PBL24 END | 89.116 |
| HIERARCH ESO ISS PBLA24 START | 84.029 |
| HIERARCH ESO ISS PBLA24 END | 83.408 |
| HIERARCH ESO ISS PBL34 START | 60.459 |
| HIERARCH ESO ISS PBL34 END | 60.0 |
| HIERARCH ESO ISS PBLA34 START | 104.915 |
| HIERARCH ESO ISS PBLA34 END | 104.39 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003789 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00459 |
| HIERARCH ESO ISS AMBI TEMP | 13.58 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |
| HIERARCH ESO FT ROBJ NAME | HR_8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.715 |
| HIERARCH ESO FT ROBJ DELTA | 210803.310 |