Exposure
- ID
- GRAVI.2021-08-27T06:06:44.882_2
- Header ID
- GRAVI.2021-08-27T06:06:44.882
- Date updated
- 2021-08-27 06:32:34 UTC+0000
- Release date
- 2022-08-27 06:32:34 UTC+0000
- UTC Start
- 2021-08-27 06:06:44.882
- UTC End
- 2021-08-27 06:20:04.882
- MJD Start
- 59453.25468614
- MJD End
- 59453.2639453993
- Exposure time (s)
- 800.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002887
- Ambient temperature (°C)
- 7.28
- Seeing (arcsec)
- 1.275
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 | 46.4720 | 47.5420 | 37.2000 | 37.6000 |
| U1-U3 | 87.7330 | 89.7010 | 43.3000 | 43.4000 |
| U1-U4 | 127.2170 | 128.4640 | 65.9140 | 64.9230 |
| U2-U3 | 41.8270 | 42.6740 | 50.2000 | 49.9000 |
| U2-U4 | 89.3170 | 88.9340 | 80.4100 | 79.1190 |
| U3-U4 | 57.2000 | 55.7370 | 102.0180 | 101.0740 |
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 | 59453.25468614 |
| 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 | 46.472 |
| HIERARCH ESO ISS PBL12 END | 47.542 |
| HIERARCH ESO ISS PBLA12 START | 37.2 |
| HIERARCH ESO ISS PBLA12 END | 37.6 |
| HIERARCH ESO ISS PBL13 START | 87.733 |
| HIERARCH ESO ISS PBL13 END | 89.701 |
| HIERARCH ESO ISS PBLA13 START | 43.3 |
| HIERARCH ESO ISS PBLA13 END | 43.4 |
| HIERARCH ESO ISS PBL14 START | 127.217 |
| HIERARCH ESO ISS PBL14 END | 128.464 |
| HIERARCH ESO ISS PBLA14 START | 65.914 |
| HIERARCH ESO ISS PBLA14 END | 64.923 |
| HIERARCH ESO ISS PBL23 START | 41.827 |
| HIERARCH ESO ISS PBL23 END | 42.674 |
| HIERARCH ESO ISS PBLA23 START | 50.2 |
| HIERARCH ESO ISS PBLA23 END | 49.9 |
| HIERARCH ESO ISS PBL24 START | 89.317 |
| HIERARCH ESO ISS PBL24 END | 88.934 |
| HIERARCH ESO ISS PBLA24 START | 80.41 |
| HIERARCH ESO ISS PBLA24 END | 79.119 |
| HIERARCH ESO ISS PBL34 START | 57.2 |
| HIERARCH ESO ISS PBL34 END | 55.737 |
| HIERARCH ESO ISS PBLA34 START | 102.018 |
| HIERARCH ESO ISS PBLA34 END | 101.074 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00325 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002524 |
| HIERARCH ESO ISS AMBI TEMP | 7.28 |
| HIERARCH ESO ISS AMBI FWHM START | 1.21 |
| HIERARCH ESO ISS AMBI FWHM END | 1.34 |
| HIERARCH ESO FT ROBJ NAME | HR_8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.7150 |
| HIERARCH ESO FT ROBJ DELTA | 210803.3022 |