Exposure
- ID
- GRAVI.2025-11-09T01:29:49.499_2
- Header ID
- GRAVI.2025-11-09T01:29:49.499
- Date updated
- 2025-11-09 01:41:01 UTC+0000
- Release date
- 2026-11-09 01:41:01 UTC+0000
- UTC Start
- 2025-11-09 01:29:49.499
- UTC End
- 2025-11-09 01:31:13.499
- MJD Start
- 60988.06237846
- MJD End
- 60988.06335068223
- Exposure time (s)
- 84.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003087
- Ambient temperature (°C)
- 13.83
- Seeing (arcsec)
- 0.7
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 | 45.0460 | 44.9690 | 39.7000 | 40.0000 |
| U1-U3 | 83.4210 | 83.2680 | 47.3000 | 47.6000 |
| U1-U4 | 119.7220 | 119.5470 | 76.3300 | 76.7040 |
| U2-U3 | 39.2200 | 39.1470 | 56.0000 | 56.3000 |
| U2-U4 | 87.7990 | 87.7400 | 94.1610 | 94.5580 |
| U3-U4 | 61.9250 | 61.9500 | 117.2180 | 117.6010 |
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 | 60988.06237846 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 218711 |
| HIERARCH ESO INS SOBJ NAME | HD_218711 |
| RA | 347.800263 |
| DEC | -63.19003 |
| 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 | 45.046 |
| HIERARCH ESO ISS PBL12 END | 44.969 |
| HIERARCH ESO ISS PBLA12 START | 39.7 |
| HIERARCH ESO ISS PBLA12 END | 40.0 |
| HIERARCH ESO ISS PBL13 START | 83.421 |
| HIERARCH ESO ISS PBL13 END | 83.268 |
| HIERARCH ESO ISS PBLA13 START | 47.3 |
| HIERARCH ESO ISS PBLA13 END | 47.6 |
| HIERARCH ESO ISS PBL14 START | 119.722 |
| HIERARCH ESO ISS PBL14 END | 119.547 |
| HIERARCH ESO ISS PBLA14 START | 76.33 |
| HIERARCH ESO ISS PBLA14 END | 76.704 |
| HIERARCH ESO ISS PBL23 START | 39.22 |
| HIERARCH ESO ISS PBL23 END | 39.147 |
| HIERARCH ESO ISS PBLA23 START | 56.0 |
| HIERARCH ESO ISS PBLA23 END | 56.3 |
| HIERARCH ESO ISS PBL24 START | 87.799 |
| HIERARCH ESO ISS PBL24 END | 87.74 |
| HIERARCH ESO ISS PBLA24 START | 94.161 |
| HIERARCH ESO ISS PBLA24 END | 94.558 |
| HIERARCH ESO ISS PBL34 START | 61.925 |
| HIERARCH ESO ISS PBL34 END | 61.95 |
| HIERARCH ESO ISS PBLA34 START | 117.218 |
| HIERARCH ESO ISS PBLA34 END | 117.601 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003512 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002662 |
| HIERARCH ESO ISS AMBI TEMP | 13.83 |
| HIERARCH ESO ISS AMBI FWHM START | 0.7 |
| HIERARCH ESO ISS AMBI FWHM END | 0.7 |
| HIERARCH ESO FT ROBJ NAME | HD_218711 |
| HIERARCH ESO FT ROBJ ALPHA | 231110.556 |
| HIERARCH ESO FT ROBJ DELTA | -631123.884 |