Exposure
- ID
- GRAVI.2021-09-28T04:50:09.444_2
- Header ID
- GRAVI.2021-09-28T04:50:09.444
- Date updated
- 2021-09-28 04:56:56 UTC+0000
- Release date
- 2022-09-28 04:56:55 UTC+0000
- UTC Start
- 2021-09-28 04:50:09.444
- UTC End
- 2021-09-28 04:51:13.444
- MJD Start
- 59485.20149819
- MJD End
- 59485.2022389307
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003298
- Ambient temperature (°C)
- 13.48
- Seeing (arcsec)
- 0.81
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 | 50.0790 | 50.1710 | 38.2000 | 38.2000 |
| U1-U3 | 94.1640 | 94.3210 | 43.1000 | 43.1000 |
| U1-U4 | 130.1330 | 130.1540 | 62.0660 | 61.9440 |
| U2-U3 | 44.4800 | 44.5390 | 48.7000 | 48.6000 |
| U2-U4 | 86.7270 | 86.6050 | 75.5700 | 75.4220 |
| U3-U4 | 51.1610 | 50.9580 | 98.7040 | 98.6110 |
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 | 59485.20149819 |
| 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 | 50.079 |
| HIERARCH ESO ISS PBL12 END | 50.171 |
| HIERARCH ESO ISS PBLA12 START | 38.2 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 94.164 |
| HIERARCH ESO ISS PBL13 END | 94.321 |
| HIERARCH ESO ISS PBLA13 START | 43.1 |
| HIERARCH ESO ISS PBLA13 END | 43.1 |
| HIERARCH ESO ISS PBL14 START | 130.133 |
| HIERARCH ESO ISS PBL14 END | 130.154 |
| HIERARCH ESO ISS PBLA14 START | 62.066 |
| HIERARCH ESO ISS PBLA14 END | 61.944 |
| HIERARCH ESO ISS PBL23 START | 44.48 |
| HIERARCH ESO ISS PBL23 END | 44.539 |
| HIERARCH ESO ISS PBLA23 START | 48.7 |
| HIERARCH ESO ISS PBLA23 END | 48.6 |
| HIERARCH ESO ISS PBL24 START | 86.727 |
| HIERARCH ESO ISS PBL24 END | 86.605 |
| HIERARCH ESO ISS PBLA24 START | 75.57 |
| HIERARCH ESO ISS PBLA24 END | 75.422 |
| HIERARCH ESO ISS PBL34 START | 51.161 |
| HIERARCH ESO ISS PBL34 END | 50.958 |
| HIERARCH ESO ISS PBLA34 START | 98.704 |
| HIERARCH ESO ISS PBLA34 END | 98.611 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003298 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003298 |
| HIERARCH ESO ISS AMBI TEMP | 13.48 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 0.81 |
| HIERARCH ESO FT ROBJ NAME | HR8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.715 |
| HIERARCH ESO FT ROBJ DELTA | 210803.302 |