Exposure
- ID
- GRAVI.2021-08-28T06:32:58.356_2
- Header ID
- GRAVI.2021-08-28T06:32:58.356
- Date updated
- 2021-08-28 21:50:41 UTC+0000
- Release date
- 2022-08-28 21:50:41 UTC+0000
- UTC Start
- 2021-08-28 06:32:58.356
- UTC End
- 2021-08-28 06:46:18.356
- MJD Start
- 59454.27289764
- MJD End
- 59454.2821568993
- Exposure time (s)
- 800.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002718
- Ambient temperature (°C)
- 9.32
- Seeing (arcsec)
- 1.075
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 | 48.7600 | 49.7230 | 38.0000 | 38.2000 |
| U1-U3 | 91.8820 | 93.5570 | 43.4000 | 43.2000 |
| U1-U4 | 129.5120 | 130.0230 | 63.6560 | 62.5210 |
| U2-U3 | 43.5790 | 44.2450 | 49.4000 | 48.9000 |
| U2-U4 | 88.1270 | 87.1660 | 77.5200 | 76.1230 |
| U3-U4 | 53.7590 | 51.9160 | 99.9680 | 99.0520 |
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 | 59454.27289764 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HR 8799 |
| HIERARCH ESO INS SOBJ NAME | HR8799d_new |
| RA | 346.87242 |
| 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 | 814.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 48.76 |
| HIERARCH ESO ISS PBL12 END | 49.723 |
| HIERARCH ESO ISS PBLA12 START | 38.0 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 91.882 |
| HIERARCH ESO ISS PBL13 END | 93.557 |
| HIERARCH ESO ISS PBLA13 START | 43.4 |
| HIERARCH ESO ISS PBLA13 END | 43.2 |
| HIERARCH ESO ISS PBL14 START | 129.512 |
| HIERARCH ESO ISS PBL14 END | 130.023 |
| HIERARCH ESO ISS PBLA14 START | 63.656 |
| HIERARCH ESO ISS PBLA14 END | 62.521 |
| HIERARCH ESO ISS PBL23 START | 43.579 |
| HIERARCH ESO ISS PBL23 END | 44.245 |
| HIERARCH ESO ISS PBLA23 START | 49.4 |
| HIERARCH ESO ISS PBLA23 END | 48.9 |
| HIERARCH ESO ISS PBL24 START | 88.127 |
| HIERARCH ESO ISS PBL24 END | 87.166 |
| HIERARCH ESO ISS PBLA24 START | 77.52 |
| HIERARCH ESO ISS PBLA24 END | 76.123 |
| HIERARCH ESO ISS PBL34 START | 53.759 |
| HIERARCH ESO ISS PBL34 END | 51.916 |
| HIERARCH ESO ISS PBLA34 START | 99.968 |
| HIERARCH ESO ISS PBLA34 END | 99.052 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002409 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003027 |
| HIERARCH ESO ISS AMBI TEMP | 9.32 |
| HIERARCH ESO ISS AMBI FWHM START | 1.16 |
| HIERARCH ESO ISS AMBI FWHM END | 0.99 |
| HIERARCH ESO FT ROBJ NAME | HR_8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.7150 |
| HIERARCH ESO FT ROBJ DELTA | 210803.3022 |