Exposure
- ID
- GRAVI.2021-09-28T04:52:03.448_2
- Header ID
- GRAVI.2021-09-28T04:52:03.448
- Date updated
- 2021-09-28 05:12:06 UTC+0000
- Release date
- 2022-09-28 05:12:06 UTC+0000
- UTC Start
- 2021-09-28 04:52:03.448
- UTC End
- 2021-09-28 04:58:43.448
- MJD Start
- 59485.20281769
- MJD End
- 59485.2074473196
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0032775
- Ambient temperature (°C)
- 13.5
- Seeing (arcsec)
- 0.78
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 | 50.2040 | 50.6540 | 38.2000 | 38.2000 |
| U1-U3 | 94.3760 | 95.1310 | 43.1000 | 43.0000 |
| U1-U4 | 130.1600 | 130.2090 | 61.9000 | 61.2790 |
| U2-U3 | 44.5610 | 44.8430 | 48.6000 | 48.3000 |
| U2-U4 | 86.5610 | 85.9120 | 75.3690 | 74.6210 |
| U3-U4 | 50.8850 | 49.8470 | 98.5780 | 98.1190 |
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 | 59485.20281769 |
| 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 | 50.204 |
| HIERARCH ESO ISS PBL12 END | 50.654 |
| HIERARCH ESO ISS PBLA12 START | 38.2 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 94.376 |
| HIERARCH ESO ISS PBL13 END | 95.131 |
| HIERARCH ESO ISS PBLA13 START | 43.1 |
| HIERARCH ESO ISS PBLA13 END | 43.0 |
| HIERARCH ESO ISS PBL14 START | 130.16 |
| HIERARCH ESO ISS PBL14 END | 130.209 |
| HIERARCH ESO ISS PBLA14 START | 61.9 |
| HIERARCH ESO ISS PBLA14 END | 61.279 |
| HIERARCH ESO ISS PBL23 START | 44.561 |
| HIERARCH ESO ISS PBL23 END | 44.843 |
| HIERARCH ESO ISS PBLA23 START | 48.6 |
| HIERARCH ESO ISS PBLA23 END | 48.3 |
| HIERARCH ESO ISS PBL24 START | 86.561 |
| HIERARCH ESO ISS PBL24 END | 85.912 |
| HIERARCH ESO ISS PBLA24 START | 75.369 |
| HIERARCH ESO ISS PBLA24 END | 74.621 |
| HIERARCH ESO ISS PBL34 START | 50.885 |
| HIERARCH ESO ISS PBL34 END | 49.847 |
| HIERARCH ESO ISS PBLA34 START | 98.578 |
| HIERARCH ESO ISS PBLA34 END | 98.119 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003298 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003257 |
| HIERARCH ESO ISS AMBI TEMP | 13.5 |
| HIERARCH ESO ISS AMBI FWHM START | 0.79 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |
| HIERARCH ESO FT ROBJ NAME | HR8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.715 |
| HIERARCH ESO FT ROBJ DELTA | 210803.302 |