Exposure
- ID
- GRAVI.2022-08-17T08:51:53.602_2
- Header ID
- GRAVI.2022-08-17T08:51:53.602
- Date updated
- 2022-08-17 09:00:55 UTC+0000
- Release date
- 2023-08-17 09:00:55 UTC+0000
- UTC Start
- 2022-08-17 08:51:53.602
- UTC End
- 2022-08-17 08:52:57.602
- MJD Start
- 59808.36937039
- MJD End
- 59808.3701111307
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002943
- Ambient temperature (°C)
- 8.5
- Seeing (arcsec)
- 0.47
Observation
- ID
- 51970
- Category
- science
- Program ID
- 109.23BY.001
- 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 | 54.1290 | 54.1850 | 37.1000 | 37.0000 |
| U1-U3 | 100.4210 | 100.4950 | 40.4000 | 40.3000 |
| U1-U4 | 126.8480 | 126.7110 | 54.2390 | 54.0670 |
| U2-U3 | 46.4860 | 46.5000 | 44.2000 | 44.1000 |
| U2-U4 | 76.8110 | 76.5700 | 66.2470 | 66.0410 |
| U3-U4 | 37.9750 | 37.6920 | 93.6110 | 93.5110 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.23BY.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59808.36937039 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HR8799 |
| HIERARCH ESO INS SOBJ NAME | hr8799f |
| RA | 346.872266 |
| DEC | 21.13372 |
| 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 | 54.129 |
| HIERARCH ESO ISS PBL12 END | 54.185 |
| HIERARCH ESO ISS PBLA12 START | 37.1 |
| HIERARCH ESO ISS PBLA12 END | 37.0 |
| HIERARCH ESO ISS PBL13 START | 100.421 |
| HIERARCH ESO ISS PBL13 END | 100.495 |
| HIERARCH ESO ISS PBLA13 START | 40.4 |
| HIERARCH ESO ISS PBLA13 END | 40.3 |
| HIERARCH ESO ISS PBL14 START | 126.848 |
| HIERARCH ESO ISS PBL14 END | 126.711 |
| HIERARCH ESO ISS PBLA14 START | 54.239 |
| HIERARCH ESO ISS PBLA14 END | 54.067 |
| HIERARCH ESO ISS PBL23 START | 46.486 |
| HIERARCH ESO ISS PBL23 END | 46.5 |
| HIERARCH ESO ISS PBLA23 START | 44.2 |
| HIERARCH ESO ISS PBLA23 END | 44.1 |
| HIERARCH ESO ISS PBL24 START | 76.811 |
| HIERARCH ESO ISS PBL24 END | 76.57 |
| HIERARCH ESO ISS PBLA24 START | 66.247 |
| HIERARCH ESO ISS PBLA24 END | 66.041 |
| HIERARCH ESO ISS PBL34 START | 37.975 |
| HIERARCH ESO ISS PBL34 END | 37.692 |
| HIERARCH ESO ISS PBLA34 START | 93.611 |
| HIERARCH ESO ISS PBLA34 END | 93.511 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002943 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002943 |
| HIERARCH ESO ISS AMBI TEMP | 8.5 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.47 |
| HIERARCH ESO FT ROBJ NAME | HR8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.715 |
| HIERARCH ESO FT ROBJ DELTA | 210803.302 |