Exposure
- ID
- GRAVI.2022-08-16T06:53:25.195_2
- Header ID
- GRAVI.2022-08-16T06:53:25.195
- Date updated
- 2022-08-16 07:10:46 UTC+0000
- Release date
- 2023-08-16 07:10:46 UTC+0000
- UTC Start
- 2022-08-16 06:53:25.195
- UTC End
- 2022-08-16 06:59:25.195
- MJD Start
- 59807.28709717
- MJD End
- 59807.2912638367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0026545
- Ambient temperature (°C)
- 7.75
- Seeing (arcsec)
- 1.465
Observation
- ID
- 51919
- Category
- science
- Program ID
- 109.23BY.002
- Program Title
- SIZING UP THE HOT DUST CONTINUUM IN AGN WITH DIRECT MEASUREMENTS
- Program Type
- Normal
- PI / COI
- DAVIES/ DE ZEEUW/ DEXTER/ HOENIG/ LUTZ/ SHANGGUAN/ SHIMIZU/ STURM/ SANTOS/ CAO/ KISHIMOTO
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 | 46.6610 | 47.1540 | 37.2000 | 37.5000 |
| U1-U3 | 88.0840 | 88.9930 | 43.3000 | 43.4000 |
| U1-U4 | 127.4600 | 128.0470 | 65.7450 | 65.2930 |
| U2-U3 | 41.9810 | 42.3730 | 50.1000 | 50.0000 |
| U2-U4 | 89.2690 | 89.1060 | 80.1860 | 79.5950 |
| U3-U4 | 56.9550 | 56.2920 | 101.8490 | 101.4150 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.23BY.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59807.28709717 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HR8799 |
| HIERARCH ESO INS SOBJ NAME | hr8799f |
| RA | 346.872401 |
| DEC | 21.13387 |
| 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 | 376.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 46.661 |
| HIERARCH ESO ISS PBL12 END | 47.154 |
| HIERARCH ESO ISS PBLA12 START | 37.2 |
| HIERARCH ESO ISS PBLA12 END | 37.5 |
| HIERARCH ESO ISS PBL13 START | 88.084 |
| HIERARCH ESO ISS PBL13 END | 88.993 |
| HIERARCH ESO ISS PBLA13 START | 43.3 |
| HIERARCH ESO ISS PBLA13 END | 43.4 |
| HIERARCH ESO ISS PBL14 START | 127.46 |
| HIERARCH ESO ISS PBL14 END | 128.047 |
| HIERARCH ESO ISS PBLA14 START | 65.745 |
| HIERARCH ESO ISS PBLA14 END | 65.293 |
| HIERARCH ESO ISS PBL23 START | 41.981 |
| HIERARCH ESO ISS PBL23 END | 42.373 |
| HIERARCH ESO ISS PBLA23 START | 50.1 |
| HIERARCH ESO ISS PBLA23 END | 50.0 |
| HIERARCH ESO ISS PBL24 START | 89.269 |
| HIERARCH ESO ISS PBL24 END | 89.106 |
| HIERARCH ESO ISS PBLA24 START | 80.186 |
| HIERARCH ESO ISS PBLA24 END | 79.595 |
| HIERARCH ESO ISS PBL34 START | 56.955 |
| HIERARCH ESO ISS PBL34 END | 56.292 |
| HIERARCH ESO ISS PBLA34 START | 101.849 |
| HIERARCH ESO ISS PBLA34 END | 101.415 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002675 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002634 |
| HIERARCH ESO ISS AMBI TEMP | 7.75 |
| HIERARCH ESO ISS AMBI FWHM START | 1.35 |
| HIERARCH ESO ISS AMBI FWHM END | 1.58 |
| HIERARCH ESO FT ROBJ NAME | HR8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.715 |
| HIERARCH ESO FT ROBJ DELTA | 210803.302 |