Exposure
- ID
- GRAVI.2024-09-29T03:49:38.058_2
- Header ID
- GRAVI.2024-09-29T03:49:38.058
- Date updated
- 2024-09-29 04:00:38 UTC+0000
- Release date
- 2025-09-29 04:00:38 UTC+0000
- UTC Start
- 2024-09-29 03:49:38.058
- UTC End
- 2024-09-29 03:50:50.058
- MJD Start
- 60582.15946826
- MJD End
- 60582.16030159333
- Exposure time (s)
- 72.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0056945
- Ambient temperature (°C)
- 13.19
- Seeing (arcsec)
- 0.72
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 | 45.9530 | 46.0630 | 36.9000 | 37.0000 |
| U1-U3 | 86.7640 | 86.9710 | 43.2000 | 43.3000 |
| U1-U4 | 126.5170 | 126.6730 | 66.3610 | 66.2670 |
| U2-U3 | 41.4020 | 41.4940 | 50.3000 | 50.3000 |
| U2-U4 | 89.4020 | 89.3890 | 81.0000 | 80.8750 |
| U3-U4 | 57.8170 | 57.6880 | 102.4580 | 102.3620 |
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 | 60582.15946826 |
| 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 | 89.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 24 |
| HIERARCH ESO ISS PBL12 START | 45.953 |
| HIERARCH ESO ISS PBL12 END | 46.063 |
| HIERARCH ESO ISS PBLA12 START | 36.9 |
| HIERARCH ESO ISS PBLA12 END | 37.0 |
| HIERARCH ESO ISS PBL13 START | 86.764 |
| HIERARCH ESO ISS PBL13 END | 86.971 |
| HIERARCH ESO ISS PBLA13 START | 43.2 |
| HIERARCH ESO ISS PBLA13 END | 43.3 |
| HIERARCH ESO ISS PBL14 START | 126.517 |
| HIERARCH ESO ISS PBL14 END | 126.673 |
| HIERARCH ESO ISS PBLA14 START | 66.361 |
| HIERARCH ESO ISS PBLA14 END | 66.267 |
| HIERARCH ESO ISS PBL23 START | 41.402 |
| HIERARCH ESO ISS PBL23 END | 41.494 |
| HIERARCH ESO ISS PBLA23 START | 50.3 |
| HIERARCH ESO ISS PBLA23 END | 50.3 |
| HIERARCH ESO ISS PBL24 START | 89.402 |
| HIERARCH ESO ISS PBL24 END | 89.389 |
| HIERARCH ESO ISS PBLA24 START | 81.0 |
| HIERARCH ESO ISS PBLA24 END | 80.875 |
| HIERARCH ESO ISS PBL34 START | 57.817 |
| HIERARCH ESO ISS PBL34 END | 57.688 |
| HIERARCH ESO ISS PBLA34 START | 102.458 |
| HIERARCH ESO ISS PBLA34 END | 102.362 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005505 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005884 |
| HIERARCH ESO ISS AMBI TEMP | 13.19 |
| HIERARCH ESO ISS AMBI FWHM START | 0.79 |
| HIERARCH ESO ISS AMBI FWHM END | 0.65 |
| HIERARCH ESO FT ROBJ NAME | HR_8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.716 |
| HIERARCH ESO FT ROBJ DELTA | 210803.310 |