Exposure
- ID
- GRAVI.2024-09-29T03:41:47.038_2
- Header ID
- GRAVI.2024-09-29T03:41:47.038
- Date updated
- 2024-09-29 03:50:40 UTC+0000
- Release date
- 2025-09-29 03:50:40 UTC+0000
- UTC Start
- 2024-09-29 03:41:47.038
- UTC End
- 2024-09-29 03:42:35.038
- MJD Start
- 60582.15401664
- MJD End
- 60582.154572195555
- Exposure time (s)
- 48.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0068070000000000006
- Ambient temperature (°C)
- 13.04
- Seeing (arcsec)
- 0.57
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 | 45.3130 | 45.3970 | 36.5000 | 36.6000 |
| U1-U3 | 85.5490 | 85.7100 | 43.1000 | 43.1000 |
| U1-U4 | 125.5560 | 125.6890 | 66.8870 | 66.8190 |
| U2-U3 | 40.8600 | 40.9330 | 50.4000 | 50.4000 |
| U2-U4 | 89.4270 | 89.4290 | 81.7170 | 81.6240 |
| U3-U4 | 58.5290 | 58.4390 | 103.0150 | 102.9410 |
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 | 60582.15401664 |
| 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 | 45.313 |
| HIERARCH ESO ISS PBL12 END | 45.397 |
| HIERARCH ESO ISS PBLA12 START | 36.5 |
| HIERARCH ESO ISS PBLA12 END | 36.6 |
| HIERARCH ESO ISS PBL13 START | 85.549 |
| HIERARCH ESO ISS PBL13 END | 85.71 |
| HIERARCH ESO ISS PBLA13 START | 43.1 |
| HIERARCH ESO ISS PBLA13 END | 43.1 |
| HIERARCH ESO ISS PBL14 START | 125.556 |
| HIERARCH ESO ISS PBL14 END | 125.689 |
| HIERARCH ESO ISS PBLA14 START | 66.887 |
| HIERARCH ESO ISS PBLA14 END | 66.819 |
| HIERARCH ESO ISS PBL23 START | 40.86 |
| HIERARCH ESO ISS PBL23 END | 40.933 |
| HIERARCH ESO ISS PBLA23 START | 50.4 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 89.427 |
| HIERARCH ESO ISS PBL24 END | 89.429 |
| HIERARCH ESO ISS PBLA24 START | 81.717 |
| HIERARCH ESO ISS PBLA24 END | 81.624 |
| HIERARCH ESO ISS PBL34 START | 58.529 |
| HIERARCH ESO ISS PBL34 END | 58.439 |
| HIERARCH ESO ISS PBLA34 START | 103.015 |
| HIERARCH ESO ISS PBLA34 END | 102.941 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006418 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007196 |
| HIERARCH ESO ISS AMBI TEMP | 13.04 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | HR_8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.716 |
| HIERARCH ESO FT ROBJ DELTA | 210803.310 |