Exposure
ID
MATIS.2025-08-09T07:40:52.588_1
Header ID
MATIS.2025-08-09T07:40:52.588
Date updated
2025-08-09 07:50:34 UTC+0000
Release date
2026-08-09 07:50:33 UTC+0000
UTC Start
2025-08-09 07:40:52.588
UTC End
2025-08-09 07:41:54.598
MJD Start
60896.3200531
MJD End
60896.32077080833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005526
Ambient temperature (°C)
12.32
Seeing (arcsec)
0.625
Observation
ID
69620
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
51703
Name
HD 218396
RA
346.871632
DEC
21.13389
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 48.2510 48.3290 37.9000 37.9000
U1-U3 90.9810 91.1200 43.4000 43.4000
U1-U4 129.1300 129.1940 64.1960 64.1140
U2-U3 43.2110 43.2680 49.6000 49.6000
U2-U4 88.5120 88.4570 78.1900 78.0870
U3-U4 54.6130 54.4840 100.4130 100.3420
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 60896.3200531
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871632
DEC 21.13389
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 48.251
HIERARCH ESO ISS PBL12 END 48.329
HIERARCH ESO ISS PBLA12 START 37.9
HIERARCH ESO ISS PBLA12 END 37.9
HIERARCH ESO ISS PBL13 START 90.981
HIERARCH ESO ISS PBL13 END 91.12
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.13
HIERARCH ESO ISS PBL14 END 129.194
HIERARCH ESO ISS PBLA14 START 64.196
HIERARCH ESO ISS PBLA14 END 64.114
HIERARCH ESO ISS PBL23 START 43.211
HIERARCH ESO ISS PBL23 END 43.268
HIERARCH ESO ISS PBLA23 START 49.6
HIERARCH ESO ISS PBLA23 END 49.6
HIERARCH ESO ISS PBL24 START 88.512
HIERARCH ESO ISS PBL24 END 88.457
HIERARCH ESO ISS PBLA24 START 78.19
HIERARCH ESO ISS PBLA24 END 78.087
HIERARCH ESO ISS PBL34 START 54.613
HIERARCH ESO ISS PBL34 END 54.484
HIERARCH ESO ISS PBLA34 START 100.413
HIERARCH ESO ISS PBLA34 END 100.342
HIERARCH ESO ISS AMBI TAU0 START 0.005147
HIERARCH ESO ISS AMBI TAU0 END 0.005905
HIERARCH ESO ISS AMBI TEMP 12.32
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.58