Exposure
- ID
- GRAVI.2023-07-02T09:52:22.630_2
- Header ID
- GRAVI.2023-07-02T09:52:22.630
- Date updated
- 2023-07-02 10:06:22 UTC+0000
- Release date
- 2024-07-02 10:06:22 UTC+0000
- UTC Start
- 2023-07-02 09:52:22.630
- UTC End
- 2023-07-02 09:59:02.630
- MJD Start
- 60127.41137303
- MJD End
- 60127.4160026596
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003892
- Ambient temperature (°C)
- 14.38
- Seeing (arcsec)
- 0.81
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 | 46.7430 | 47.2900 | 37.3000 | 37.5000 |
| U1-U3 | 88.2360 | 89.2430 | 43.4000 | 43.4000 |
| U1-U4 | 127.5620 | 128.1990 | 65.6740 | 65.1660 |
| U2-U3 | 42.0460 | 42.4800 | 50.1000 | 50.0000 |
| U2-U4 | 89.2460 | 89.0490 | 80.0910 | 79.4290 |
| U3-U4 | 56.8480 | 56.0980 | 101.7790 | 101.2950 |
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 | 60127.41137303 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HR 8799 |
| HIERARCH ESO INS SOBJ NAME | HR8799e |
| RA | 346.872273 |
| DEC | 21.13397 |
| 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 | 46.743 |
| HIERARCH ESO ISS PBL12 END | 47.29 |
| HIERARCH ESO ISS PBLA12 START | 37.3 |
| HIERARCH ESO ISS PBLA12 END | 37.5 |
| HIERARCH ESO ISS PBL13 START | 88.236 |
| HIERARCH ESO ISS PBL13 END | 89.243 |
| HIERARCH ESO ISS PBLA13 START | 43.4 |
| HIERARCH ESO ISS PBLA13 END | 43.4 |
| HIERARCH ESO ISS PBL14 START | 127.562 |
| HIERARCH ESO ISS PBL14 END | 128.199 |
| HIERARCH ESO ISS PBLA14 START | 65.674 |
| HIERARCH ESO ISS PBLA14 END | 65.166 |
| HIERARCH ESO ISS PBL23 START | 42.046 |
| HIERARCH ESO ISS PBL23 END | 42.48 |
| HIERARCH ESO ISS PBLA23 START | 50.1 |
| HIERARCH ESO ISS PBLA23 END | 50.0 |
| HIERARCH ESO ISS PBL24 START | 89.246 |
| HIERARCH ESO ISS PBL24 END | 89.049 |
| HIERARCH ESO ISS PBLA24 START | 80.091 |
| HIERARCH ESO ISS PBLA24 END | 79.429 |
| HIERARCH ESO ISS PBL34 START | 56.848 |
| HIERARCH ESO ISS PBL34 END | 56.098 |
| HIERARCH ESO ISS PBLA34 START | 101.779 |
| HIERARCH ESO ISS PBLA34 END | 101.295 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003407 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004377 |
| HIERARCH ESO ISS AMBI TEMP | 14.38 |
| HIERARCH ESO ISS AMBI FWHM START | 0.84 |
| HIERARCH ESO ISS AMBI FWHM END | 0.78 |
| HIERARCH ESO FT ROBJ NAME | HR_8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.715 |
| HIERARCH ESO FT ROBJ DELTA | 210803.310 |