Exposure
ID
MATIS.2025-08-07T05:40:11.413_1
Header ID
MATIS.2025-08-07T05:40:11.413
Date updated
2025-08-07 05:50:55 UTC+0000
Release date
2026-08-07 05:50:55 UTC+0000
UTC Start
2025-08-07 05:40:11.413
UTC End
2025-08-07 05:41:13.423
MJD Start
60894.23624321
MJD End
60894.23696091833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007501
Ambient temperature (°C)
13.09
Seeing (arcsec)
0.62
Observation
ID
69370
Category
science
Program ID
115.28GN.001
Program Title
MID-INFRARED STUDY OF THE PLANETARY ATMOSPHERES OF THE HR 8799 SYSTEM
Program Type
Normal
PI / COI
HOULLÉ / MILLOUR / SCIGLIUTO / LOPEZ
Target
ID
51557
Name
HD 218396
RA
346.871616
DEC
21.13381
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 37.5910 37.6780 28.2000 28.3000
U1-U3 69.4670 69.6670 37.5000 37.6000
U1-U4 106.3160 106.6260 71.6520 71.6110
U2-U3 32.9400 33.0470 48.2000 48.2000
U2-U4 83.1510 83.2930 89.7710 89.6740
U3-U4 62.4710 62.4700 110.2630 110.1670
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28GN.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60894.23624321
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871616
DEC 21.13381
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN ID LOW
HIERARCH ESO INS MODE HYBRID
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 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2385
HIERARCH ESO ISS PBL12 START 37.591
HIERARCH ESO ISS PBL12 END 37.678
HIERARCH ESO ISS PBLA12 START 28.2
HIERARCH ESO ISS PBLA12 END 28.3
HIERARCH ESO ISS PBL13 START 69.467
HIERARCH ESO ISS PBL13 END 69.667
HIERARCH ESO ISS PBLA13 START 37.5
HIERARCH ESO ISS PBLA13 END 37.6
HIERARCH ESO ISS PBL14 START 106.316
HIERARCH ESO ISS PBL14 END 106.626
HIERARCH ESO ISS PBLA14 START 71.652
HIERARCH ESO ISS PBLA14 END 71.611
HIERARCH ESO ISS PBL23 START 32.94
HIERARCH ESO ISS PBL23 END 33.047
HIERARCH ESO ISS PBLA23 START 48.2
HIERARCH ESO ISS PBLA23 END 48.2
HIERARCH ESO ISS PBL24 START 83.151
HIERARCH ESO ISS PBL24 END 83.293
HIERARCH ESO ISS PBLA24 START 89.771
HIERARCH ESO ISS PBLA24 END 89.674
HIERARCH ESO ISS PBL34 START 62.471
HIERARCH ESO ISS PBL34 END 62.47
HIERARCH ESO ISS PBLA34 START 110.263
HIERARCH ESO ISS PBLA34 END 110.167
HIERARCH ESO ISS AMBI TAU0 START 0.007501
HIERARCH ESO ISS AMBI TAU0 END 0.007501
HIERARCH ESO ISS AMBI TEMP 13.09
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.62