Exposure
- ID
- GRAVI.2021-08-28T04:10:15.997_2
- Header ID
- GRAVI.2021-08-28T04:10:15.997
- Date updated
- 2021-08-28 04:35:47 UTC+0000
- Release date
- 2022-08-28 04:35:47 UTC+0000
- UTC Start
- 2021-08-28 04:10:15.997
- UTC End
- 2021-08-28 04:23:35.997
- MJD Start
- 59454.17379626
- MJD End
- 59454.1830555193
- Exposure time (s)
- 800.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0039805
- Ambient temperature (°C)
- 10.58
- Seeing (arcsec)
- 0.605
Observation
- ID
- 47975
- 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
- 35998
- Name
- HR_8799
- RA
- 346.869645833333
- DEC
- 21.1342505555556
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 | 37.0190 | 38.1370 | 27.1000 | 29.1000 |
| U1-U3 | 68.1310 | 70.7000 | 36.7000 | 38.2000 |
| U1-U4 | 104.1630 | 108.1750 | 71.9130 | 71.3810 |
| U2-U3 | 32.2130 | 33.5940 | 47.6000 | 48.6000 |
| U2-U4 | 82.1370 | 83.9920 | 90.4260 | 89.1800 |
| U3-U4 | 62.4500 | 62.4500 | 110.9330 | 109.6830 |
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 | 59454.17379626 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HR 8799 |
| HIERARCH ESO INS SOBJ NAME | HR8799e_new |
| RA | 346.872401 |
| DEC | 21.13411 |
| 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 | 37.019 |
| HIERARCH ESO ISS PBL12 END | 38.137 |
| HIERARCH ESO ISS PBLA12 START | 27.1 |
| HIERARCH ESO ISS PBLA12 END | 29.1 |
| HIERARCH ESO ISS PBL13 START | 68.131 |
| HIERARCH ESO ISS PBL13 END | 70.7 |
| HIERARCH ESO ISS PBLA13 START | 36.7 |
| HIERARCH ESO ISS PBLA13 END | 38.2 |
| HIERARCH ESO ISS PBL14 START | 104.163 |
| HIERARCH ESO ISS PBL14 END | 108.175 |
| HIERARCH ESO ISS PBLA14 START | 71.913 |
| HIERARCH ESO ISS PBLA14 END | 71.381 |
| HIERARCH ESO ISS PBL23 START | 32.213 |
| HIERARCH ESO ISS PBL23 END | 33.594 |
| HIERARCH ESO ISS PBLA23 START | 47.6 |
| HIERARCH ESO ISS PBLA23 END | 48.6 |
| HIERARCH ESO ISS PBL24 START | 82.137 |
| HIERARCH ESO ISS PBL24 END | 83.992 |
| HIERARCH ESO ISS PBLA24 START | 90.426 |
| HIERARCH ESO ISS PBLA24 END | 89.18 |
| HIERARCH ESO ISS PBL34 START | 62.45 |
| HIERARCH ESO ISS PBL34 END | 62.45 |
| HIERARCH ESO ISS PBLA34 START | 110.933 |
| HIERARCH ESO ISS PBLA34 END | 109.683 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003771 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00419 |
| HIERARCH ESO ISS AMBI TEMP | 10.58 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.64 |
| HIERARCH ESO FT ROBJ NAME | HR_8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.715 |
| HIERARCH ESO FT ROBJ DELTA | 210803.302 |