Exposure
    
    - ID
- PIONI.2025-10-28T01:01:17.840_1
- Header ID
- PIONI.2025-10-28T01:01:17.840
- Date updated
- 2025-10-28 01:05:47 UTC+0000
- Release date
- 2026-10-28 01:05:47 UTC+0000
- UTC Start
- 2025-10-28 01:01:17.839
- UTC End
- 2025-10-28 01:02:34.639
- MJD Start
- 60976.0425675856
- MJD End
- 60976.043456474494
- Exposure time (s)
- 76.8
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00315
- Ambient temperature (°C)
- 11.74
- Seeing (arcsec)
- 0.8300000000000001
        Observation
    
    - ID
- 71021
- Category
- science
- Program ID
- 116.292S.002
- Program Title
- CONSTRAINING THE COSMIC DANCE OF MASSIVE STARS IN TRIPLE SYSTEMS
- Program Type
- Normal
- PI / COI
- MAHY / SANA / LE BOUQUIN / FROST / BORDIER
        Target
    
    - ID
- 52705
- Name
- HD_191263
- RA
- 302.158379
- DEC
- 10.72586
        Projected baselines
    
    | Baseline | Length start | Length end | Angle start | Angle end | 
|---|---|---|---|---|
| A0-G1 | 57.6820 | 57.2890 | 114.0000 | 114.1000 | 
| A0-J2 | 99.0240 | 98.5130 | 84.2000 | 84.1000 | 
| A0-K0 | 115.7290 | 115.4230 | 64.9980 | 64.8590 | 
| G1-J2 | 56.6900 | 56.6240 | 53.9000 | 53.8000 | 
| G1-K0 | 89.2150 | 89.2690 | 35.7910 | 35.7720 | 
| J2-K0 | 39.5000 | 39.5290 | 9.2550 | 9.4380 | 
        Header: used keywords
    
    | Key | Value | 
|---|---|
| HIERARCH ESO OBS PROG ID | 116.292S.002 | 
| HIERARCH ESO DPR CATG | SCIENCE | 
| HIERARCH ESO DPR TYPE | FRINGE,OBJECT | 
| MJD-OBS | 60976.0425675856 | 
| HIERARCH ESO DPR TECH | INTERFEROMETRY | 
| HIERARCH ESO OBS TARG NAME | HD_191263 | 
| RA | 302.158379 | 
| DEC | 10.72586 | 
| HIERARCH ESO INS OPTI2 NAME | GRISM | 
| HIERARCH ESO INS OPTI2 ID | GRISM | 
| HIERARCH ESO INS FILT1 NAME | H | 
| HIERARCH ESO ISS CONF NTEL | 4 | 
| HIERARCH ESO ISS CONF STATION1 | A0 | 
| HIERARCH ESO ISS CONF STATION2 | G1 | 
| HIERARCH ESO ISS CONF STATION3 | J2 | 
| HIERARCH ESO ISS CONF STATION4 | K0 | 
| HIERARCH ESO DET DIT | 0.0015 | 
| HIERARCH ESO DET NDIT | 51200 | 
| HIERARCH ESO ISS PBL12 START | 57.682 | 
| HIERARCH ESO ISS PBL12 END | 57.289 | 
| HIERARCH ESO ISS PBLA12 START | 114.0 | 
| HIERARCH ESO ISS PBLA12 END | 114.1 | 
| HIERARCH ESO ISS PBL13 START | 99.024 | 
| HIERARCH ESO ISS PBL13 END | 98.513 | 
| HIERARCH ESO ISS PBLA13 START | 84.2 | 
| HIERARCH ESO ISS PBLA13 END | 84.1 | 
| HIERARCH ESO ISS PBL14 START | 115.729 | 
| HIERARCH ESO ISS PBL14 END | 115.423 | 
| HIERARCH ESO ISS PBLA14 START | 64.998 | 
| HIERARCH ESO ISS PBLA14 END | 64.859 | 
| HIERARCH ESO ISS PBL23 START | 56.69 | 
| HIERARCH ESO ISS PBL23 END | 56.624 | 
| HIERARCH ESO ISS PBLA23 START | 53.9 | 
| HIERARCH ESO ISS PBLA23 END | 53.8 | 
| HIERARCH ESO ISS PBL24 START | 89.215 | 
| HIERARCH ESO ISS PBL24 END | 89.269 | 
| HIERARCH ESO ISS PBLA24 START | 35.791 | 
| HIERARCH ESO ISS PBLA24 END | 35.772 | 
| HIERARCH ESO ISS PBL34 START | 39.5 | 
| HIERARCH ESO ISS PBL34 END | 39.529 | 
| HIERARCH ESO ISS PBLA34 START | 9.255 | 
| HIERARCH ESO ISS PBLA34 END | 9.438 | 
| HIERARCH ESO ISS AMBI TAU0 START | 0.00328 | 
| HIERARCH ESO ISS AMBI TAU0 END | 0.00302 | 
| HIERARCH ESO ISS AMBI TEMP | 11.74 | 
| HIERARCH ESO ISS AMBI FWHM START | 0.8 | 
| HIERARCH ESO ISS AMBI FWHM END | 0.86 |