Exposure
- ID
- GRAVI.2021-09-28T05:06:42.485_2
- Header ID
- GRAVI.2021-09-28T05:06:42.485
- Date updated
- 2021-09-28 05:15:31 UTC+0000
- Release date
- 2022-09-28 05:15:31 UTC+0000
- UTC Start
- 2021-09-28 05:06:42.485
- UTC End
- 2021-09-28 05:07:46.485
- MJD Start
- 59485.21299173
- MJD End
- 59485.2137324707
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0031195
- Ambient temperature (°C)
- 13.54
- Seeing (arcsec)
- 0.775
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 | 51.1310 | 51.2160 | 38.2000 | 38.2000 |
| U1-U3 | 95.9170 | 96.0550 | 42.8000 | 42.7000 |
| U1-U4 | 130.1700 | 130.1520 | 60.5740 | 60.4420 |
| U2-U3 | 45.1300 | 45.1790 | 47.9000 | 47.9000 |
| U2-U4 | 85.1270 | 84.9760 | 73.7770 | 73.6200 |
| U3-U4 | 48.6580 | 48.4350 | 97.6140 | 97.5220 |
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 | 59485.21299173 |
| 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 | 86.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 64 |
| HIERARCH ESO ISS PBL12 START | 51.131 |
| HIERARCH ESO ISS PBL12 END | 51.216 |
| HIERARCH ESO ISS PBLA12 START | 38.2 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 95.917 |
| HIERARCH ESO ISS PBL13 END | 96.055 |
| HIERARCH ESO ISS PBLA13 START | 42.8 |
| HIERARCH ESO ISS PBLA13 END | 42.7 |
| HIERARCH ESO ISS PBL14 START | 130.17 |
| HIERARCH ESO ISS PBL14 END | 130.152 |
| HIERARCH ESO ISS PBLA14 START | 60.574 |
| HIERARCH ESO ISS PBLA14 END | 60.442 |
| HIERARCH ESO ISS PBL23 START | 45.13 |
| HIERARCH ESO ISS PBL23 END | 45.179 |
| HIERARCH ESO ISS PBLA23 START | 47.9 |
| HIERARCH ESO ISS PBLA23 END | 47.9 |
| HIERARCH ESO ISS PBL24 START | 85.127 |
| HIERARCH ESO ISS PBL24 END | 84.976 |
| HIERARCH ESO ISS PBLA24 START | 73.777 |
| HIERARCH ESO ISS PBLA24 END | 73.62 |
| HIERARCH ESO ISS PBL34 START | 48.658 |
| HIERARCH ESO ISS PBL34 END | 48.435 |
| HIERARCH ESO ISS PBLA34 START | 97.614 |
| HIERARCH ESO ISS PBLA34 END | 97.522 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003257 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002982 |
| HIERARCH ESO ISS AMBI TEMP | 13.54 |
| HIERARCH ESO ISS AMBI FWHM START | 0.73 |
| HIERARCH ESO ISS AMBI FWHM END | 0.82 |
| HIERARCH ESO FT ROBJ NAME | HR8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.715 |
| HIERARCH ESO FT ROBJ DELTA | 210803.302 |