Exposure
- ID
- GRAVI.2021-08-28T05:36:25.214_2
- Header ID
- GRAVI.2021-08-28T05:36:25.214
- Date updated
- 2021-08-28 06:05:35 UTC+0000
- Release date
- 2022-08-28 06:05:35 UTC+0000
- UTC Start
- 2021-08-28 05:36:25.214
- UTC End
- 2021-08-28 05:49:45.214
- MJD Start
- 59454.23362516
- MJD End
- 59454.2428844193
- Exposure time (s)
- 800.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002669
- Ambient temperature (°C)
- 10.32
- Seeing (arcsec)
- 1.215
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 | 44.3110 | 45.4530 | 35.9000 | 36.6000 |
| U1-U3 | 83.6120 | 85.8130 | 42.8000 | 43.1000 |
| U1-U4 | 123.8530 | 125.7660 | 67.6560 | 66.7750 |
| U2-U3 | 39.9760 | 40.9770 | 50.4000 | 50.3000 |
| U2-U4 | 89.2870 | 89.4290 | 82.8080 | 81.5700 |
| U3-U4 | 59.5150 | 58.3900 | 103.8960 | 102.9060 |
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 | 59454.23362516 |
| 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 | 44.311 |
| HIERARCH ESO ISS PBL12 END | 45.453 |
| HIERARCH ESO ISS PBLA12 START | 35.9 |
| HIERARCH ESO ISS PBLA12 END | 36.6 |
| HIERARCH ESO ISS PBL13 START | 83.612 |
| HIERARCH ESO ISS PBL13 END | 85.813 |
| HIERARCH ESO ISS PBLA13 START | 42.8 |
| HIERARCH ESO ISS PBLA13 END | 43.1 |
| HIERARCH ESO ISS PBL14 START | 123.853 |
| HIERARCH ESO ISS PBL14 END | 125.766 |
| HIERARCH ESO ISS PBLA14 START | 67.656 |
| HIERARCH ESO ISS PBLA14 END | 66.775 |
| HIERARCH ESO ISS PBL23 START | 39.976 |
| HIERARCH ESO ISS PBL23 END | 40.977 |
| HIERARCH ESO ISS PBLA23 START | 50.4 |
| HIERARCH ESO ISS PBLA23 END | 50.3 |
| HIERARCH ESO ISS PBL24 START | 89.287 |
| HIERARCH ESO ISS PBL24 END | 89.429 |
| HIERARCH ESO ISS PBLA24 START | 82.808 |
| HIERARCH ESO ISS PBLA24 END | 81.57 |
| HIERARCH ESO ISS PBL34 START | 59.515 |
| HIERARCH ESO ISS PBL34 END | 58.39 |
| HIERARCH ESO ISS PBLA34 START | 103.896 |
| HIERARCH ESO ISS PBLA34 END | 102.906 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002889 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002449 |
| HIERARCH ESO ISS AMBI TEMP | 10.32 |
| HIERARCH ESO ISS AMBI FWHM START | 1.21 |
| HIERARCH ESO ISS AMBI FWHM END | 1.22 |
| HIERARCH ESO FT ROBJ NAME | HR_8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.7150 |
| HIERARCH ESO FT ROBJ DELTA | 210803.3022 |