Exposure
- ID
- GRAVI.2021-09-28T04:35:30.407_2
- Header ID
- GRAVI.2021-09-28T04:35:30.407
- Date updated
- 2021-09-28 04:50:56 UTC+0000
- Release date
- 2022-09-28 04:50:56 UTC+0000
- UTC Start
- 2021-09-28 04:35:30.407
- UTC End
- 2021-09-28 04:42:10.407
- MJD Start
- 59485.19132415
- MJD End
- 59485.1959537796
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0036345
- Ambient temperature (°C)
- 13.61
- Seeing (arcsec)
- 0.77
Observation
- ID
- 48354
- Category
- science
- Program ID
- 105.20T0.001
- Program Title
- THE FIRST DIRECT DETECTION OF A RADIAL VELOCITY EXOPLANET
- Program Type
- Normal
- PI / COI
- HINKLEY/ LACOUR
Target
- ID
- 32940
- Name
- HR8799
- 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 | 49.0760 | 49.5620 | 38.1000 | 38.2000 |
| U1-U3 | 92.4380 | 93.2800 | 43.3000 | 43.3000 |
| U1-U4 | 129.7130 | 129.9590 | 63.2990 | 62.7220 |
| U2-U3 | 43.8030 | 44.1370 | 49.3000 | 49.0000 |
| U2-U4 | 87.8450 | 87.3490 | 77.0780 | 76.3680 |
| U3-U4 | 53.1830 | 52.2440 | 99.6740 | 99.2110 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20T0.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59485.19132415 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HR8799 |
| HIERARCH ESO INS SOBJ NAME | hr8799e |
| RA | 346.872438 |
| DEC | 21.13403 |
| 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 | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 49.076 |
| HIERARCH ESO ISS PBL12 END | 49.562 |
| HIERARCH ESO ISS PBLA12 START | 38.1 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 92.438 |
| HIERARCH ESO ISS PBL13 END | 93.28 |
| HIERARCH ESO ISS PBLA13 START | 43.3 |
| HIERARCH ESO ISS PBLA13 END | 43.3 |
| HIERARCH ESO ISS PBL14 START | 129.713 |
| HIERARCH ESO ISS PBL14 END | 129.959 |
| HIERARCH ESO ISS PBLA14 START | 63.299 |
| HIERARCH ESO ISS PBLA14 END | 62.722 |
| HIERARCH ESO ISS PBL23 START | 43.803 |
| HIERARCH ESO ISS PBL23 END | 44.137 |
| HIERARCH ESO ISS PBLA23 START | 49.3 |
| HIERARCH ESO ISS PBLA23 END | 49.0 |
| HIERARCH ESO ISS PBL24 START | 87.845 |
| HIERARCH ESO ISS PBL24 END | 87.349 |
| HIERARCH ESO ISS PBLA24 START | 77.078 |
| HIERARCH ESO ISS PBLA24 END | 76.368 |
| HIERARCH ESO ISS PBL34 START | 53.183 |
| HIERARCH ESO ISS PBL34 END | 52.244 |
| HIERARCH ESO ISS PBLA34 START | 99.674 |
| HIERARCH ESO ISS PBLA34 END | 99.211 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003821 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003448 |
| HIERARCH ESO ISS AMBI TEMP | 13.61 |
| HIERARCH ESO ISS AMBI FWHM START | 0.8 |
| HIERARCH ESO ISS AMBI FWHM END | 0.74 |
| HIERARCH ESO FT ROBJ NAME | HR8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.715 |
| HIERARCH ESO FT ROBJ DELTA | 210803.302 |