Exposure
- ID
- GRAVI.2022-08-16T06:17:34.105_2
- Header ID
- GRAVI.2022-08-16T06:17:34.105
- Date updated
- 2022-08-16 06:30:52 UTC+0000
- Release date
- 2023-08-16 06:30:52 UTC+0000
- UTC Start
- 2022-08-16 06:17:34.105
- UTC End
- 2022-08-16 06:23:34.105
- MJD Start
- 59807.26220029
- MJD End
- 59807.2663669567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0023895
- Ambient temperature (°C)
- 7.68
- Seeing (arcsec)
- 1.485
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 | 43.7140 | 44.2460 | 35.4000 | 35.8000 |
| U1-U3 | 82.4400 | 83.4850 | 42.5000 | 42.7000 |
| U1-U4 | 122.7380 | 123.7370 | 68.0850 | 67.7020 |
| U2-U3 | 39.4330 | 39.9180 | 50.4000 | 50.4000 |
| U2-U4 | 89.1070 | 89.2710 | 83.4330 | 82.8740 |
| U3-U4 | 60.0210 | 59.5710 | 104.4110 | 103.9480 |
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 | 59807.26220029 |
| 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 | 43.714 |
| HIERARCH ESO ISS PBL12 END | 44.246 |
| HIERARCH ESO ISS PBLA12 START | 35.4 |
| HIERARCH ESO ISS PBLA12 END | 35.8 |
| HIERARCH ESO ISS PBL13 START | 82.44 |
| HIERARCH ESO ISS PBL13 END | 83.485 |
| HIERARCH ESO ISS PBLA13 START | 42.5 |
| HIERARCH ESO ISS PBLA13 END | 42.7 |
| HIERARCH ESO ISS PBL14 START | 122.738 |
| HIERARCH ESO ISS PBL14 END | 123.737 |
| HIERARCH ESO ISS PBLA14 START | 68.085 |
| HIERARCH ESO ISS PBLA14 END | 67.702 |
| HIERARCH ESO ISS PBL23 START | 39.433 |
| HIERARCH ESO ISS PBL23 END | 39.918 |
| HIERARCH ESO ISS PBLA23 START | 50.4 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 89.107 |
| HIERARCH ESO ISS PBL24 END | 89.271 |
| HIERARCH ESO ISS PBLA24 START | 83.433 |
| HIERARCH ESO ISS PBLA24 END | 82.874 |
| HIERARCH ESO ISS PBL34 START | 60.021 |
| HIERARCH ESO ISS PBL34 END | 59.571 |
| HIERARCH ESO ISS PBLA34 START | 104.411 |
| HIERARCH ESO ISS PBLA34 END | 103.948 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002455 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002324 |
| HIERARCH ESO ISS AMBI TEMP | 7.68 |
| HIERARCH ESO ISS AMBI FWHM START | 1.59 |
| HIERARCH ESO ISS AMBI FWHM END | 1.38 |
| HIERARCH ESO FT ROBJ NAME | HR8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.715 |
| HIERARCH ESO FT ROBJ DELTA | 210803.302 |