Exposure
- ID
- GRAVI.2021-08-27T03:53:23.546_2
- Header ID
- GRAVI.2021-08-27T03:53:23.546
- Date updated
- 2021-08-27 04:01:14 UTC+0000
- Release date
- 2022-08-27 04:01:14 UTC+0000
- UTC Start
- 2021-08-27 03:53:23.546
- UTC End
- 2021-08-27 03:54:27.546
- MJD Start
- 59453.16207808
- MJD End
- 59453.1628188207
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005745
- Ambient temperature (°C)
- 8.7
- Seeing (arcsec)
- 0.51
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 | 35.4330 | 35.5370 | 23.7000 | 24.0000 |
| U1-U3 | 64.2960 | 64.5560 | 33.9000 | 34.1000 |
| U1-U4 | 97.5100 | 97.9890 | 72.5930 | 72.5510 |
| U2-U3 | 30.0660 | 30.2150 | 45.8000 | 46.0000 |
| U2-U4 | 78.8420 | 79.0870 | 92.3740 | 92.2370 |
| U3-U4 | 62.1270 | 62.1610 | 112.9440 | 112.8010 |
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 | 59453.16207808 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HR 8799 |
| HIERARCH ESO INS SOBJ NAME | HR8799e_new |
| RA | 346.872364 |
| 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 | 86.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 64 |
| HIERARCH ESO ISS PBL12 START | 35.433 |
| HIERARCH ESO ISS PBL12 END | 35.537 |
| HIERARCH ESO ISS PBLA12 START | 23.7 |
| HIERARCH ESO ISS PBLA12 END | 24.0 |
| HIERARCH ESO ISS PBL13 START | 64.296 |
| HIERARCH ESO ISS PBL13 END | 64.556 |
| HIERARCH ESO ISS PBLA13 START | 33.9 |
| HIERARCH ESO ISS PBLA13 END | 34.1 |
| HIERARCH ESO ISS PBL14 START | 97.51 |
| HIERARCH ESO ISS PBL14 END | 97.989 |
| HIERARCH ESO ISS PBLA14 START | 72.593 |
| HIERARCH ESO ISS PBLA14 END | 72.551 |
| HIERARCH ESO ISS PBL23 START | 30.066 |
| HIERARCH ESO ISS PBL23 END | 30.215 |
| HIERARCH ESO ISS PBLA23 START | 45.8 |
| HIERARCH ESO ISS PBLA23 END | 46.0 |
| HIERARCH ESO ISS PBL24 START | 78.842 |
| HIERARCH ESO ISS PBL24 END | 79.087 |
| HIERARCH ESO ISS PBLA24 START | 92.374 |
| HIERARCH ESO ISS PBLA24 END | 92.237 |
| HIERARCH ESO ISS PBL34 START | 62.127 |
| HIERARCH ESO ISS PBL34 END | 62.161 |
| HIERARCH ESO ISS PBLA34 START | 112.944 |
| HIERARCH ESO ISS PBLA34 END | 112.801 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005745 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005745 |
| HIERARCH ESO ISS AMBI TEMP | 8.7 |
| HIERARCH ESO ISS AMBI FWHM START | 0.51 |
| HIERARCH ESO ISS AMBI FWHM END | 0.51 |
| HIERARCH ESO FT ROBJ NAME | HR_8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.715 |
| HIERARCH ESO FT ROBJ DELTA | 210803.302 |