Exposure
- ID
- GRAVI.2021-08-27T07:02:06.022_2
- Header ID
- GRAVI.2021-08-27T07:02:06.022
- Date updated
- 2021-08-28 21:55:23 UTC+0000
- Release date
- 2022-08-28 21:55:23 UTC+0000
- UTC Start
- 2021-08-27 07:02:06.022
- UTC End
- 2021-08-27 07:15:26.022
- MJD Start
- 59453.29312525
- MJD End
- 59453.3023845093
- Exposure time (s)
- 800.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0023045
- Ambient temperature (°C)
- 7.59
- Seeing (arcsec)
- 1.32
Observation
- ID
- 47978
- 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
- 36001
- Name
- HR_8799
- RA
- 346.869645833333
- DEC
- 21.1342506111111
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 | 50.4790 | 51.3350 | 38.2000 | 38.2000 |
| U1-U3 | 94.8390 | 96.2470 | 43.0000 | 42.7000 |
| U1-U4 | 130.2000 | 130.1220 | 61.5230 | 60.2540 |
| U2-U3 | 44.7350 | 45.2470 | 48.4000 | 47.8000 |
| U2-U4 | 86.1750 | 84.7590 | 74.9150 | 73.3960 |
| U3-U4 | 50.2600 | 48.1210 | 98.2970 | 97.3900 |
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 | 59453.29312525 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HR 8799 |
| HIERARCH ESO INS SOBJ NAME | HR8799c_new |
| RA | 346.872425 |
| DEC | 21.13413 |
| 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 | 814.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 50.479 |
| HIERARCH ESO ISS PBL12 END | 51.335 |
| HIERARCH ESO ISS PBLA12 START | 38.2 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 94.839 |
| HIERARCH ESO ISS PBL13 END | 96.247 |
| HIERARCH ESO ISS PBLA13 START | 43.0 |
| HIERARCH ESO ISS PBLA13 END | 42.7 |
| HIERARCH ESO ISS PBL14 START | 130.2 |
| HIERARCH ESO ISS PBL14 END | 130.122 |
| HIERARCH ESO ISS PBLA14 START | 61.523 |
| HIERARCH ESO ISS PBLA14 END | 60.254 |
| HIERARCH ESO ISS PBL23 START | 44.735 |
| HIERARCH ESO ISS PBL23 END | 45.247 |
| HIERARCH ESO ISS PBLA23 START | 48.4 |
| HIERARCH ESO ISS PBLA23 END | 47.8 |
| HIERARCH ESO ISS PBL24 START | 86.175 |
| HIERARCH ESO ISS PBL24 END | 84.759 |
| HIERARCH ESO ISS PBLA24 START | 74.915 |
| HIERARCH ESO ISS PBLA24 END | 73.396 |
| HIERARCH ESO ISS PBL34 START | 50.26 |
| HIERARCH ESO ISS PBL34 END | 48.121 |
| HIERARCH ESO ISS PBLA34 START | 98.297 |
| HIERARCH ESO ISS PBLA34 END | 97.39 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002555 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002054 |
| HIERARCH ESO ISS AMBI TEMP | 7.59 |
| HIERARCH ESO ISS AMBI FWHM START | 1.15 |
| HIERARCH ESO ISS AMBI FWHM END | 1.49 |
| HIERARCH ESO FT ROBJ NAME | HR_8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.7150 |
| HIERARCH ESO FT ROBJ DELTA | 210803.3022 |