Exposure
    
    - ID
 - MATIS.2025-04-30T04:51:12.604_1
 - Header ID
 - MATIS.2025-04-30T04:51:12.604
 - Date updated
 - 2025-04-30 05:00:53 UTC+0000
 - Release date
 - 2026-04-30 05:00:53 UTC+0000
 - UTC Start
 - 2025-04-30 04:51:12.604
 - UTC End
 - 2025-04-30 04:52:14.266
 - MJD Start
 - 60795.20222921
 - MJD End
 - 60795.20294289056
 - Exposure time (s)
 - 61.7
 - Validation level
 - 1
 - Tau 0: Coherence time (s)
 - 0.0044694999999999995
 - Ambient temperature (°C)
 - 12.19
 - Seeing (arcsec)
 - 0.565
 
        Observation
    
    - ID
 - 67057
 - Category
 - science
 - Program ID
 - 115.2810.023
 - Program Title
 - THE DYNAMICAL INNER REGIONS OF PROTO-PLANETARY DISKS WITH VLTI-MATISSE
 - Program Type
 - GTO
 - PI / COI
 - VAN BOEKEL / MATTER / LOPEZ / JAFFE / HOGERHEIJDE / VAN HAASTERE / SCHEUCK / WEIGELT / VARGA / WATERS / AUGEREAU / HOFMANN / MILLOUR / PANTIN / WOLF / HENNING / SCHERTL / DANCHI / HOULLÉ / DOMINIK / BOLEY / KOKOULINA / PRIOLET / MA
 
        Target
    
    - ID
 - 49859
 - Name
 - EM AS 209
 - RA
 - 252.313146
 - DEC
 - -14.3692
 
        Instrument
    
    
        Projected baselines
    
    | Baseline | Length start | Length end | Angle start | Angle end | 
|---|---|---|---|---|
| A0-B5 | 48.1690 | 48.1880 | 142.8000 | 142.9000 | 
| A0-J2 | 111.5350 | 111.8230 | 84.4000 | 84.5000 | 
| A0-J6 | 160.2440 | 160.2900 | 10.6680 | 10.8210 | 
| B5-J2 | 95.5510 | 95.7730 | 59.0000 | 59.2000 | 
| B5-J6 | 195.8600 | 195.8610 | 0.1660 | 0.2960 | 
| J2-J6 | 167.7040 | 167.7240 | 330.9880 | 331.0420 | 
        Header: used keywords
    
    | Key | Value | 
|---|---|
| HIERARCH ESO OBS PROG ID | 115.2810.023 | 
| HIERARCH ESO DPR CATG | SCIENCE | 
| HIERARCH ESO DPR TYPE | OBJECT | 
| MJD-OBS | 60795.20222921 | 
| HIERARCH ESO DPR TECH | INTERFEROMETRY | 
| HIERARCH ESO OBS TARG NAME | EM AS 209 | 
| RA | 252.313146 | 
| DEC | -14.3692 | 
| HIERARCH ESO DET NAME | MATISSE-LM | 
| HIERARCH ESO INS FIL NAME | LM | 
| HIERARCH ESO INS FIL ID | LM | 
| HIERARCH ESO INS DIL NAME | LOW | 
| HIERARCH ESO INS DIL ID | LOW | 
| HIERARCH ESO INS MODE | HYBRID | 
| HIERARCH ESO ISS CONF NTEL | 4 | 
| HIERARCH ESO ISS CONF STATION1 | A0 | 
| HIERARCH ESO ISS CONF STATION2 | B5 | 
| HIERARCH ESO ISS CONF STATION3 | J2 | 
| HIERARCH ESO ISS CONF STATION4 | J6 | 
| EXPTIME | 0.6 | 
| HIERARCH ESO DET SEQ1 PERIOD | 0.717 | 
| HIERARCH ESO DET NDIT | 86 | 
| HIERARCH ESO ISS PBL12 START | 48.169 | 
| HIERARCH ESO ISS PBL12 END | 48.188 | 
| HIERARCH ESO ISS PBLA12 START | 142.8 | 
| HIERARCH ESO ISS PBLA12 END | 142.9 | 
| HIERARCH ESO ISS PBL13 START | 111.535 | 
| HIERARCH ESO ISS PBL13 END | 111.823 | 
| HIERARCH ESO ISS PBLA13 START | 84.4 | 
| HIERARCH ESO ISS PBLA13 END | 84.5 | 
| HIERARCH ESO ISS PBL14 START | 160.244 | 
| HIERARCH ESO ISS PBL14 END | 160.29 | 
| HIERARCH ESO ISS PBLA14 START | 10.668 | 
| HIERARCH ESO ISS PBLA14 END | 10.821 | 
| HIERARCH ESO ISS PBL23 START | 95.551 | 
| HIERARCH ESO ISS PBL23 END | 95.773 | 
| HIERARCH ESO ISS PBLA23 START | 59.0 | 
| HIERARCH ESO ISS PBLA23 END | 59.2 | 
| HIERARCH ESO ISS PBL24 START | 195.86 | 
| HIERARCH ESO ISS PBL24 END | 195.861 | 
| HIERARCH ESO ISS PBLA24 START | 0.166 | 
| HIERARCH ESO ISS PBLA24 END | 0.296 | 
| HIERARCH ESO ISS PBL34 START | 167.704 | 
| HIERARCH ESO ISS PBL34 END | 167.724 | 
| HIERARCH ESO ISS PBLA34 START | 330.988 | 
| HIERARCH ESO ISS PBLA34 END | 331.042 | 
| HIERARCH ESO ISS AMBI TAU0 START | 0.004515 | 
| HIERARCH ESO ISS AMBI TAU0 END | 0.004424 | 
| HIERARCH ESO ISS AMBI TEMP | 12.19 | 
| HIERARCH ESO ISS AMBI FWHM START | 0.52 | 
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |