Exposure
- ID
- GRAVI.2025-11-09T01:34:37.511_2
- Header ID
- GRAVI.2025-11-09T01:34:37.511
- 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 01:34:37.511
- UTC End
- 2025-11-09 01:36:01.511
- MJD Start
- 60988.06571193
- MJD End
- 60988.066684152225
- Exposure time (s)
- 84.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002746
- Ambient temperature (°C)
- 13.54
- Seeing (arcsec)
- 0.69
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 | 44.8330 | 44.7560 | 40.4000 | 40.7000 |
| U1-U3 | 82.9960 | 82.8420 | 48.1000 | 48.4000 |
| U1-U4 | 119.2370 | 119.0610 | 77.3610 | 77.7290 |
| U2-U3 | 39.0170 | 38.9430 | 56.9000 | 57.2000 |
| U2-U4 | 87.6320 | 87.5710 | 95.2550 | 95.6460 |
| U3-U4 | 61.9930 | 62.0160 | 118.2700 | 118.6460 |
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 | 60988.06571193 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 218711 |
| HIERARCH ESO INS SOBJ NAME | HD_218711 |
| RA | 347.800262 |
| 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 | 44.833 |
| HIERARCH ESO ISS PBL12 END | 44.756 |
| HIERARCH ESO ISS PBLA12 START | 40.4 |
| HIERARCH ESO ISS PBLA12 END | 40.7 |
| HIERARCH ESO ISS PBL13 START | 82.996 |
| HIERARCH ESO ISS PBL13 END | 82.842 |
| HIERARCH ESO ISS PBLA13 START | 48.1 |
| HIERARCH ESO ISS PBLA13 END | 48.4 |
| HIERARCH ESO ISS PBL14 START | 119.237 |
| HIERARCH ESO ISS PBL14 END | 119.061 |
| HIERARCH ESO ISS PBLA14 START | 77.361 |
| HIERARCH ESO ISS PBLA14 END | 77.729 |
| HIERARCH ESO ISS PBL23 START | 39.017 |
| HIERARCH ESO ISS PBL23 END | 38.943 |
| HIERARCH ESO ISS PBLA23 START | 56.9 |
| HIERARCH ESO ISS PBLA23 END | 57.2 |
| HIERARCH ESO ISS PBL24 START | 87.632 |
| HIERARCH ESO ISS PBL24 END | 87.571 |
| HIERARCH ESO ISS PBLA24 START | 95.255 |
| HIERARCH ESO ISS PBLA24 END | 95.646 |
| HIERARCH ESO ISS PBL34 START | 61.993 |
| HIERARCH ESO ISS PBL34 END | 62.016 |
| HIERARCH ESO ISS PBLA34 START | 118.27 |
| HIERARCH ESO ISS PBLA34 END | 118.646 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002459 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003033 |
| HIERARCH ESO ISS AMBI TEMP | 13.54 |
| HIERARCH ESO ISS AMBI FWHM START | 0.7 |
| HIERARCH ESO ISS AMBI FWHM END | 0.68 |
| HIERARCH ESO FT ROBJ NAME | HD_218711 |
| HIERARCH ESO FT ROBJ ALPHA | 231110.556 |
| HIERARCH ESO FT ROBJ DELTA | -631123.884 |