Exposure
- ID
- GRAVI.2023-07-02T08:38:46.443_2
- Header ID
- GRAVI.2023-07-02T08:38:46.443
- Date updated
- 2023-07-02 08:55:49 UTC+0000
- Release date
- 2024-07-02 08:55:49 UTC+0000
- UTC Start
- 2023-07-02 08:38:46.443
- UTC End
- 2023-07-02 08:45:26.443
- MJD Start
- 60127.36025976
- MJD End
- 60127.3648893896
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003486
- Ambient temperature (°C)
- 13.64
- Seeing (arcsec)
- 0.85
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 | 40.5620 | 41.1660 | 32.4000 | 33.1000 |
| U1-U3 | 76.0000 | 77.2690 | 40.6000 | 41.1000 |
| U1-U4 | 115.4930 | 117.0630 | 70.0920 | 69.7390 |
| U2-U3 | 36.3200 | 36.9500 | 49.8000 | 50.0000 |
| U2-U4 | 86.9970 | 87.5510 | 86.6520 | 86.0390 |
| U3-U4 | 61.8840 | 61.6280 | 107.2520 | 106.6890 |
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 | 60127.36025976 |
| 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 | 40.562 |
| HIERARCH ESO ISS PBL12 END | 41.166 |
| HIERARCH ESO ISS PBLA12 START | 32.4 |
| HIERARCH ESO ISS PBLA12 END | 33.1 |
| HIERARCH ESO ISS PBL13 START | 76.0 |
| HIERARCH ESO ISS PBL13 END | 77.269 |
| HIERARCH ESO ISS PBLA13 START | 40.6 |
| HIERARCH ESO ISS PBLA13 END | 41.1 |
| HIERARCH ESO ISS PBL14 START | 115.493 |
| HIERARCH ESO ISS PBL14 END | 117.063 |
| HIERARCH ESO ISS PBLA14 START | 70.092 |
| HIERARCH ESO ISS PBLA14 END | 69.739 |
| HIERARCH ESO ISS PBL23 START | 36.32 |
| HIERARCH ESO ISS PBL23 END | 36.95 |
| HIERARCH ESO ISS PBLA23 START | 49.8 |
| HIERARCH ESO ISS PBLA23 END | 50.0 |
| HIERARCH ESO ISS PBL24 START | 86.997 |
| HIERARCH ESO ISS PBL24 END | 87.551 |
| HIERARCH ESO ISS PBLA24 START | 86.652 |
| HIERARCH ESO ISS PBLA24 END | 86.039 |
| HIERARCH ESO ISS PBL34 START | 61.884 |
| HIERARCH ESO ISS PBL34 END | 61.628 |
| HIERARCH ESO ISS PBLA34 START | 107.252 |
| HIERARCH ESO ISS PBLA34 END | 106.689 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003404 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003568 |
| HIERARCH ESO ISS AMBI TEMP | 13.64 |
| HIERARCH ESO ISS AMBI FWHM START | 0.95 |
| HIERARCH ESO ISS AMBI FWHM END | 0.75 |
| HIERARCH ESO FT ROBJ NAME | HR_8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.715 |
| HIERARCH ESO FT ROBJ DELTA | 210803.310 |