Exposure
- ID
- GRAVI.2024-09-29T04:14:23.120_2
- Header ID
- GRAVI.2024-09-29T04:14:23.120
- Date updated
- 2024-09-29 04:20:35 UTC+0000
- Release date
- 2025-09-29 04:20:35 UTC+0000
- UTC Start
- 2024-09-29 04:14:23.120
- UTC End
- 2024-09-29 04:15:43.120
- MJD Start
- 60582.17665648
- MJD End
- 60582.17758240592
- Exposure time (s)
- 80.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003541
- Ambient temperature (°C)
- 13.32
- Seeing (arcsec)
- 0.775
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 | 47.8860 | 47.9960 | 37.8000 | 37.8000 |
| U1-U3 | 90.3270 | 90.5250 | 43.4000 | 43.4000 |
| U1-U4 | 128.8080 | 128.9090 | 64.5780 | 64.4660 |
| U2-U3 | 42.9390 | 43.0210 | 49.8000 | 49.7000 |
| U2-U4 | 88.7450 | 88.6780 | 78.6720 | 78.5300 |
| U3-U4 | 55.1990 | 55.0260 | 100.7510 | 100.6510 |
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 | 60582.17665648 |
| 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 | 95.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 47.886 |
| HIERARCH ESO ISS PBL12 END | 47.996 |
| HIERARCH ESO ISS PBLA12 START | 37.8 |
| HIERARCH ESO ISS PBLA12 END | 37.8 |
| HIERARCH ESO ISS PBL13 START | 90.327 |
| HIERARCH ESO ISS PBL13 END | 90.525 |
| HIERARCH ESO ISS PBLA13 START | 43.4 |
| HIERARCH ESO ISS PBLA13 END | 43.4 |
| HIERARCH ESO ISS PBL14 START | 128.808 |
| HIERARCH ESO ISS PBL14 END | 128.909 |
| HIERARCH ESO ISS PBLA14 START | 64.578 |
| HIERARCH ESO ISS PBLA14 END | 64.466 |
| HIERARCH ESO ISS PBL23 START | 42.939 |
| HIERARCH ESO ISS PBL23 END | 43.021 |
| HIERARCH ESO ISS PBLA23 START | 49.8 |
| HIERARCH ESO ISS PBLA23 END | 49.7 |
| HIERARCH ESO ISS PBL24 START | 88.745 |
| HIERARCH ESO ISS PBL24 END | 88.678 |
| HIERARCH ESO ISS PBLA24 START | 78.672 |
| HIERARCH ESO ISS PBLA24 END | 78.53 |
| HIERARCH ESO ISS PBL34 START | 55.199 |
| HIERARCH ESO ISS PBL34 END | 55.026 |
| HIERARCH ESO ISS PBLA34 START | 100.751 |
| HIERARCH ESO ISS PBLA34 END | 100.651 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003019 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004063 |
| HIERARCH ESO ISS AMBI TEMP | 13.32 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 0.74 |
| HIERARCH ESO FT ROBJ NAME | HR_8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.716 |
| HIERARCH ESO FT ROBJ DELTA | 210803.310 |