Exposure
- ID
- GRAVI.2022-08-16T06:13:43.096_2
- Header ID
- GRAVI.2022-08-16T06:13:43.096
- Date updated
- 2022-08-16 06:21:03 UTC+0000
- Release date
- 2023-08-16 06:21:03 UTC+0000
- UTC Start
- 2022-08-16 06:13:43.096
- UTC End
- 2022-08-16 06:14:47.096
- MJD Start
- 59807.25952657
- MJD End
- 59807.2602673107
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0025525
- Ambient temperature (°C)
- 7.55
- Seeing (arcsec)
- 1.42
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 | 43.3910 | 43.5100 | 35.2000 | 35.3000 |
| U1-U3 | 81.7990 | 82.0360 | 42.4000 | 42.4000 |
| U1-U4 | 122.1000 | 122.3380 | 68.3110 | 68.2280 |
| U2-U3 | 39.1330 | 39.2440 | 50.4000 | 50.4000 |
| U2-U4 | 88.9790 | 89.0290 | 83.7690 | 83.6450 |
| U3-U4 | 60.2740 | 60.1830 | 104.6940 | 104.5890 |
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 | 59807.25952657 |
| 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 | 86.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 64 |
| HIERARCH ESO ISS PBL12 START | 43.391 |
| HIERARCH ESO ISS PBL12 END | 43.51 |
| HIERARCH ESO ISS PBLA12 START | 35.2 |
| HIERARCH ESO ISS PBLA12 END | 35.3 |
| HIERARCH ESO ISS PBL13 START | 81.799 |
| HIERARCH ESO ISS PBL13 END | 82.036 |
| HIERARCH ESO ISS PBLA13 START | 42.4 |
| HIERARCH ESO ISS PBLA13 END | 42.4 |
| HIERARCH ESO ISS PBL14 START | 122.1 |
| HIERARCH ESO ISS PBL14 END | 122.338 |
| HIERARCH ESO ISS PBLA14 START | 68.311 |
| HIERARCH ESO ISS PBLA14 END | 68.228 |
| HIERARCH ESO ISS PBL23 START | 39.133 |
| HIERARCH ESO ISS PBL23 END | 39.244 |
| HIERARCH ESO ISS PBLA23 START | 50.4 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 88.979 |
| HIERARCH ESO ISS PBL24 END | 89.029 |
| HIERARCH ESO ISS PBLA24 START | 83.769 |
| HIERARCH ESO ISS PBLA24 END | 83.645 |
| HIERARCH ESO ISS PBL34 START | 60.274 |
| HIERARCH ESO ISS PBL34 END | 60.183 |
| HIERARCH ESO ISS PBLA34 START | 104.694 |
| HIERARCH ESO ISS PBLA34 END | 104.589 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00246 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002645 |
| HIERARCH ESO ISS AMBI TEMP | 7.55 |
| HIERARCH ESO ISS AMBI FWHM START | 1.47 |
| HIERARCH ESO ISS AMBI FWHM END | 1.37 |
| HIERARCH ESO FT ROBJ NAME | HR8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.715 |
| HIERARCH ESO FT ROBJ DELTA | 210803.302 |