Exposure
- ID
- GRAVI.2025-11-09T01:27:16.492_2
- Header ID
- GRAVI.2025-11-09T01:27:16.492
- Date updated
- 2025-11-09 01:35:47 UTC+0000
- Release date
- 2026-11-09 01:35:47 UTC+0000
- UTC Start
- 2025-11-09 01:27:16.492
- UTC End
- 2025-11-09 01:28:40.492
- MJD Start
- 60988.06060755
- MJD End
- 60988.06157977223
- Exposure time (s)
- 84.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0034875
- Ambient temperature (°C)
- 13.82
- Seeing (arcsec)
- 0.655
Observation
- ID
- 71278
- Category
- science
- Program ID
- 116.29H7.001
- Program Title
- GPAO COMMISSIONING
- Program Type
- Normal
- PI / COI
- TEAM
Target
- ID
- 52926
- Name
- HD_218711
- RA
- 347.79398333333324
- DEC
- -63.189967777777774
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 | 45.1550 | 45.0800 | 39.3000 | 39.6000 |
| U1-U3 | 83.6400 | 83.4880 | 46.8000 | 47.1000 |
| U1-U4 | 119.9710 | 119.7990 | 75.7920 | 76.1660 |
| U2-U3 | 39.3250 | 39.2520 | 55.5000 | 55.8000 |
| U2-U4 | 87.8840 | 87.8250 | 93.5890 | 93.9860 |
| U3-U4 | 61.8870 | 61.9130 | 116.6680 | 117.0510 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.29H7.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60988.06060755 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 218711 |
| HIERARCH ESO INS SOBJ NAME | HD_218711 |
| RA | 347.800266 |
| DEC | -63.19002 |
| 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 | 109.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 84 |
| HIERARCH ESO ISS PBL12 START | 45.155 |
| HIERARCH ESO ISS PBL12 END | 45.08 |
| HIERARCH ESO ISS PBLA12 START | 39.3 |
| HIERARCH ESO ISS PBLA12 END | 39.6 |
| HIERARCH ESO ISS PBL13 START | 83.64 |
| HIERARCH ESO ISS PBL13 END | 83.488 |
| HIERARCH ESO ISS PBLA13 START | 46.8 |
| HIERARCH ESO ISS PBLA13 END | 47.1 |
| HIERARCH ESO ISS PBL14 START | 119.971 |
| HIERARCH ESO ISS PBL14 END | 119.799 |
| HIERARCH ESO ISS PBLA14 START | 75.792 |
| HIERARCH ESO ISS PBLA14 END | 76.166 |
| HIERARCH ESO ISS PBL23 START | 39.325 |
| HIERARCH ESO ISS PBL23 END | 39.252 |
| HIERARCH ESO ISS PBLA23 START | 55.5 |
| HIERARCH ESO ISS PBLA23 END | 55.8 |
| HIERARCH ESO ISS PBL24 START | 87.884 |
| HIERARCH ESO ISS PBL24 END | 87.825 |
| HIERARCH ESO ISS PBLA24 START | 93.589 |
| HIERARCH ESO ISS PBLA24 END | 93.986 |
| HIERARCH ESO ISS PBL34 START | 61.887 |
| HIERARCH ESO ISS PBL34 END | 61.913 |
| HIERARCH ESO ISS PBLA34 START | 116.668 |
| HIERARCH ESO ISS PBLA34 END | 117.051 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003463 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003512 |
| HIERARCH ESO ISS AMBI TEMP | 13.82 |
| HIERARCH ESO ISS AMBI FWHM START | 0.66 |
| HIERARCH ESO ISS AMBI FWHM END | 0.65 |
| HIERARCH ESO FT ROBJ NAME | HD_218711 |
| HIERARCH ESO FT ROBJ ALPHA | 231110.556 |
| HIERARCH ESO FT ROBJ DELTA | -631123.884 |