Exposure
    
    - ID
- PIONI.2025-10-29T05:41:05.444_1
- Header ID
- PIONI.2025-10-29T05:41:05.444
- Date updated
- 2025-10-29 05:51:12 UTC+0000
- Release date
- 2025-10-29 05:41:05 UTC+0000
- UTC Start
- 2025-10-29 05:41:05.444
- UTC End
- 2025-10-29 05:41:43.844
- MJD Start
- 60977.2368685668
- MJD End
- 60977.23731301124
- Exposure time (s)
- 38.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0082565
- Ambient temperature (°C)
- 13.05
- Seeing (arcsec)
- 0.415
        Observation
    
    - ID
- 71042
- Category
- calibrator
- Program ID
- 116.292S.001
- 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
- 52722
- Name
- HD_66940
- RA
- 120.871475
- DEC
- -49.4984
        Projected baselines
    
    | Baseline | Length start | Length end | Angle start | Angle end | 
|---|---|---|---|---|
| A0-G1 | 54.1340 | 54.2720 | 57.0000 | 57.2000 | 
| A0-J2 | 100.2390 | 100.3310 | 30.0000 | 30.2000 | 
| A0-K0 | 118.5150 | 118.5410 | 13.9300 | 14.1340 | 
| G1-J2 | 57.5230 | 57.5250 | 4.7000 | 4.9000 | 
| G1-K0 | 87.1800 | 87.1910 | 348.8550 | 348.9740 | 
| J2-K0 | 35.4980 | 35.5450 | 322.6160 | 322.6730 | 
        Header: used keywords
    
    | Key | Value | 
|---|---|
| HIERARCH ESO OBS PROG ID | 116.292S.001 | 
| HIERARCH ESO DPR CATG | CALIB | 
| HIERARCH ESO DPR TYPE | FRINGE,OBJECT | 
| MJD-OBS | 60977.2368685668 | 
| HIERARCH ESO DPR TECH | INTERFEROMETRY | 
| HIERARCH ESO OBS TARG NAME | HD_66940 | 
| RA | 120.871475 | 
| DEC | -49.4984 | 
| 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 | 0.00075 | 
| HIERARCH ESO DET NDIT | 51200 | 
| HIERARCH ESO ISS PBL12 START | 54.134 | 
| HIERARCH ESO ISS PBL12 END | 54.272 | 
| HIERARCH ESO ISS PBLA12 START | 57.0 | 
| HIERARCH ESO ISS PBLA12 END | 57.2 | 
| HIERARCH ESO ISS PBL13 START | 100.239 | 
| HIERARCH ESO ISS PBL13 END | 100.331 | 
| HIERARCH ESO ISS PBLA13 START | 30.0 | 
| HIERARCH ESO ISS PBLA13 END | 30.2 | 
| HIERARCH ESO ISS PBL14 START | 118.515 | 
| HIERARCH ESO ISS PBL14 END | 118.541 | 
| HIERARCH ESO ISS PBLA14 START | 13.93 | 
| HIERARCH ESO ISS PBLA14 END | 14.134 | 
| HIERARCH ESO ISS PBL23 START | 57.523 | 
| HIERARCH ESO ISS PBL23 END | 57.525 | 
| HIERARCH ESO ISS PBLA23 START | 4.7 | 
| HIERARCH ESO ISS PBLA23 END | 4.9 | 
| HIERARCH ESO ISS PBL24 START | 87.18 | 
| HIERARCH ESO ISS PBL24 END | 87.191 | 
| HIERARCH ESO ISS PBLA24 START | 348.855 | 
| HIERARCH ESO ISS PBLA24 END | 348.974 | 
| HIERARCH ESO ISS PBL34 START | 35.498 | 
| HIERARCH ESO ISS PBL34 END | 35.545 | 
| HIERARCH ESO ISS PBLA34 START | 322.616 | 
| HIERARCH ESO ISS PBLA34 END | 322.673 | 
| HIERARCH ESO ISS AMBI TAU0 START | 0.00779 | 
| HIERARCH ESO ISS AMBI TAU0 END | 0.008723 | 
| HIERARCH ESO ISS AMBI TEMP | 13.05 | 
| HIERARCH ESO ISS AMBI FWHM START | 0.42 | 
| HIERARCH ESO ISS AMBI FWHM END | 0.41 |