Exposure
ID
MATIS.2025-08-06T08:02:35.430_1
Header ID
MATIS.2025-08-06T08:02:35.430
Date updated
2025-08-06 08:10:33 UTC+0000
Release date
2026-08-06 08:10:33 UTC+0000
UTC Start
2025-08-06 08:02:35.430
UTC End
2025-08-06 08:03:37.440
MJD Start
60893.33513229
MJD End
60893.33584999833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0081565
Ambient temperature (°C)
14.2
Seeing (arcsec)
0.545
Observation
ID
69277
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
51493
Name
HD 218396
RA
346.871634
DEC
21.13407
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 48.9710 49.0450 38.0000 38.1000
U1-U3 92.2560 92.3850 43.4000 43.4000
U1-U4 129.6530 129.6970 63.4090 63.3250
U2-U3 43.7310 43.7830 49.3000 49.3000
U2-U4 87.9360 87.8690 77.2080 77.1040
U3-U4 53.3600 53.2240 99.7490 99.6800
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 60893.33513229
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871634
DEC 21.13407
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 48.971
HIERARCH ESO ISS PBL12 END 49.045
HIERARCH ESO ISS PBLA12 START 38.0
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 92.256
HIERARCH ESO ISS PBL13 END 92.385
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.653
HIERARCH ESO ISS PBL14 END 129.697
HIERARCH ESO ISS PBLA14 START 63.409
HIERARCH ESO ISS PBLA14 END 63.325
HIERARCH ESO ISS PBL23 START 43.731
HIERARCH ESO ISS PBL23 END 43.783
HIERARCH ESO ISS PBLA23 START 49.3
HIERARCH ESO ISS PBLA23 END 49.3
HIERARCH ESO ISS PBL24 START 87.936
HIERARCH ESO ISS PBL24 END 87.869
HIERARCH ESO ISS PBLA24 START 77.208
HIERARCH ESO ISS PBLA24 END 77.104
HIERARCH ESO ISS PBL34 START 53.36
HIERARCH ESO ISS PBL34 END 53.224
HIERARCH ESO ISS PBLA34 START 99.749
HIERARCH ESO ISS PBLA34 END 99.68
HIERARCH ESO ISS AMBI TAU0 START 0.007967
HIERARCH ESO ISS AMBI TAU0 END 0.008346
HIERARCH ESO ISS AMBI TEMP 14.2
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.53