Exposure
- ID
- GRAVI.2021-08-27T05:04:29.725_2
- Header ID
- GRAVI.2021-08-27T05:04:29.725
- Date updated
- 2021-08-27 05:31:04 UTC+0000
- Release date
- 2022-08-27 05:31:04 UTC+0000
- UTC Start
- 2021-08-27 05:04:29.725
- UTC End
- 2021-08-27 05:17:49.725
- MJD Start
- 59453.21145515
- MJD End
- 59453.2207144093
- Exposure time (s)
- 800.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0054525
- Ambient temperature (°C)
- 8.08
- Seeing (arcsec)
- 0.58
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 | 41.2450 | 42.4300 | 33.2000 | 34.3000 |
| U1-U3 | 77.4330 | 79.8680 | 41.1000 | 41.9000 |
| U1-U4 | 117.2560 | 120.0600 | 69.6890 | 68.9530 |
| U2-U3 | 37.0300 | 38.2140 | 50.0000 | 50.3000 |
| U2-U4 | 87.6160 | 88.4790 | 85.9590 | 84.7570 |
| U3-U4 | 61.5930 | 60.9420 | 106.6180 | 105.5460 |
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 | 59453.21145515 |
| 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 | 41.245 |
| HIERARCH ESO ISS PBL12 END | 42.43 |
| HIERARCH ESO ISS PBLA12 START | 33.2 |
| HIERARCH ESO ISS PBLA12 END | 34.3 |
| HIERARCH ESO ISS PBL13 START | 77.433 |
| HIERARCH ESO ISS PBL13 END | 79.868 |
| HIERARCH ESO ISS PBLA13 START | 41.1 |
| HIERARCH ESO ISS PBLA13 END | 41.9 |
| HIERARCH ESO ISS PBL14 START | 117.256 |
| HIERARCH ESO ISS PBL14 END | 120.06 |
| HIERARCH ESO ISS PBLA14 START | 69.689 |
| HIERARCH ESO ISS PBLA14 END | 68.953 |
| HIERARCH ESO ISS PBL23 START | 37.03 |
| HIERARCH ESO ISS PBL23 END | 38.214 |
| HIERARCH ESO ISS PBLA23 START | 50.0 |
| HIERARCH ESO ISS PBLA23 END | 50.3 |
| HIERARCH ESO ISS PBL24 START | 87.616 |
| HIERARCH ESO ISS PBL24 END | 88.479 |
| HIERARCH ESO ISS PBLA24 START | 85.959 |
| HIERARCH ESO ISS PBLA24 END | 84.757 |
| HIERARCH ESO ISS PBL34 START | 61.593 |
| HIERARCH ESO ISS PBL34 END | 60.942 |
| HIERARCH ESO ISS PBLA34 START | 106.618 |
| HIERARCH ESO ISS PBLA34 END | 105.546 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00544 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005465 |
| HIERARCH ESO ISS AMBI TEMP | 8.08 |
| HIERARCH ESO ISS AMBI FWHM START | 0.58 |
| HIERARCH ESO ISS AMBI FWHM END | 0.58 |
| HIERARCH ESO FT ROBJ NAME | HR_8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.7150 |
| HIERARCH ESO FT ROBJ DELTA | 210803.3022 |