Exposure
ID
MATIS.2025-08-11T08:08:44.038_1
Header ID
MATIS.2025-08-11T08:08:44.038
Date updated
2025-08-11 08:15:31 UTC+0000
Release date
2026-08-11 08:15:31 UTC+0000
UTC Start
2025-08-11 08:08:44.038
UTC End
2025-08-11 08:09:46.048
MJD Start
60898.33939859
MJD End
60898.34011629833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0050349999999999995
Ambient temperature (°C)
14.74
Seeing (arcsec)
0.355
Observation
ID
69926
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
51892
Name
HD 218396
RA
346.871662
DEC
21.1337
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 50.7040 50.7720 38.2000 38.2000
U1-U3 95.2160 95.3270 42.9000 42.9000
U1-U4 130.2100 130.2090 61.1960 61.0990
U2-U3 44.8750 44.9160 48.3000 48.2000
U2-U4 85.8260 85.7200 74.5150 74.3990
U3-U4 49.7070 49.5430 98.0420 97.9720
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 60898.33939859
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871662
DEC 21.1337
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 50.704
HIERARCH ESO ISS PBL12 END 50.772
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 95.216
HIERARCH ESO ISS PBL13 END 95.327
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 130.21
HIERARCH ESO ISS PBL14 END 130.209
HIERARCH ESO ISS PBLA14 START 61.196
HIERARCH ESO ISS PBLA14 END 61.099
HIERARCH ESO ISS PBL23 START 44.875
HIERARCH ESO ISS PBL23 END 44.916
HIERARCH ESO ISS PBLA23 START 48.3
HIERARCH ESO ISS PBLA23 END 48.2
HIERARCH ESO ISS PBL24 START 85.826
HIERARCH ESO ISS PBL24 END 85.72
HIERARCH ESO ISS PBLA24 START 74.515
HIERARCH ESO ISS PBLA24 END 74.399
HIERARCH ESO ISS PBL34 START 49.707
HIERARCH ESO ISS PBL34 END 49.543
HIERARCH ESO ISS PBLA34 START 98.042
HIERARCH ESO ISS PBLA34 END 97.972
HIERARCH ESO ISS AMBI TAU0 START 0.00564
HIERARCH ESO ISS AMBI TAU0 END 0.00443
HIERARCH ESO ISS AMBI TEMP 14.74
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.39