Exposure
- ID
- GRAVI.2024-09-29T04:34:32.171_2
- Header ID
- GRAVI.2024-09-29T04:34:32.171
- Date updated
- 2024-09-29 04:40:36 UTC+0000
- Release date
- 2025-09-29 04:40:35 UTC+0000
- UTC Start
- 2024-09-29 04:34:32.171
- UTC End
- 2024-09-29 04:35:20.171
- MJD Start
- 60582.19065013
- MJD End
- 60582.19120568556
- Exposure time (s)
- 48.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0044
- Ambient temperature (°C)
- 13.37
- Seeing (arcsec)
- 0.75
Observation
- ID
- 60872
- Category
- science
- Program ID
- 114.27UV.001
- Program Title
- GPAO COMMISSIONING
- Program Type
- Normal
- PI / COI
- TEAM, G.
Target
- ID
- 45274
- Name
- HR_8799
- RA
- 346.86965
- DEC
- 21.134252777777778
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 | 49.3440 | 49.4180 | 38.1000 | 38.1000 |
| U1-U3 | 92.9060 | 93.0340 | 43.3000 | 43.3000 |
| U1-U4 | 129.8610 | 129.8970 | 62.9770 | 62.8880 |
| U2-U3 | 43.9900 | 44.0410 | 49.1000 | 49.1000 |
| U2-U4 | 87.5750 | 87.4980 | 76.6760 | 76.5670 |
| U3-U4 | 52.6570 | 52.5130 | 99.4000 | 99.3290 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.27UV.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60582.19065013 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HR 8799 |
| HIERARCH ESO INS SOBJ NAME | HR_8799 |
| RA | 346.871313 |
| DEC | 21.13464 |
| 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 | 68.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 48 |
| HIERARCH ESO ISS PBL12 START | 49.344 |
| HIERARCH ESO ISS PBL12 END | 49.418 |
| HIERARCH ESO ISS PBLA12 START | 38.1 |
| HIERARCH ESO ISS PBLA12 END | 38.1 |
| HIERARCH ESO ISS PBL13 START | 92.906 |
| HIERARCH ESO ISS PBL13 END | 93.034 |
| HIERARCH ESO ISS PBLA13 START | 43.3 |
| HIERARCH ESO ISS PBLA13 END | 43.3 |
| HIERARCH ESO ISS PBL14 START | 129.861 |
| HIERARCH ESO ISS PBL14 END | 129.897 |
| HIERARCH ESO ISS PBLA14 START | 62.977 |
| HIERARCH ESO ISS PBLA14 END | 62.888 |
| HIERARCH ESO ISS PBL23 START | 43.99 |
| HIERARCH ESO ISS PBL23 END | 44.041 |
| HIERARCH ESO ISS PBLA23 START | 49.1 |
| HIERARCH ESO ISS PBLA23 END | 49.1 |
| HIERARCH ESO ISS PBL24 START | 87.575 |
| HIERARCH ESO ISS PBL24 END | 87.498 |
| HIERARCH ESO ISS PBLA24 START | 76.676 |
| HIERARCH ESO ISS PBLA24 END | 76.567 |
| HIERARCH ESO ISS PBL34 START | 52.657 |
| HIERARCH ESO ISS PBL34 END | 52.513 |
| HIERARCH ESO ISS PBLA34 START | 99.4 |
| HIERARCH ESO ISS PBLA34 END | 99.329 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.0044 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.0044 |
| HIERARCH ESO ISS AMBI TEMP | 13.37 |
| HIERARCH ESO ISS AMBI FWHM START | 0.77 |
| HIERARCH ESO ISS AMBI FWHM END | 0.73 |
| HIERARCH ESO FT ROBJ NAME | HR_8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.716 |
| HIERARCH ESO FT ROBJ DELTA | 210803.310 |