Exposure
ID
MATIS.2025-08-09T07:29:22.168_1
Header ID
MATIS.2025-08-09T07:29:22.168
Date updated
2025-08-09 07:35:45 UTC+0000
Release date
2026-08-09 07:35:45 UTC+0000
UTC Start
2025-08-09 07:29:22.168
UTC End
2025-08-09 07:30:24.178
MJD Start
60896.31206213
MJD End
60896.31277983833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004202
Ambient temperature (°C)
12.21
Seeing (arcsec)
0.685
Observation
ID
69618
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
51702
Name
HD 218396
RA
346.871628
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 47.3840 47.4640 37.6000 37.6000
U1-U3 89.4160 89.5620 43.4000 43.4000
U1-U4 128.3050 128.3890 65.0680 64.9910
U2-U3 42.5550 42.6160 49.9000 49.9000
U2-U4 89.0050 88.9680 79.2990 79.2000
U3-U4 55.9530 55.8360 101.1940 101.1230
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 60896.31206213
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871628
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 47.384
HIERARCH ESO ISS PBL12 END 47.464
HIERARCH ESO ISS PBLA12 START 37.6
HIERARCH ESO ISS PBLA12 END 37.6
HIERARCH ESO ISS PBL13 START 89.416
HIERARCH ESO ISS PBL13 END 89.562
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.305
HIERARCH ESO ISS PBL14 END 128.389
HIERARCH ESO ISS PBLA14 START 65.068
HIERARCH ESO ISS PBLA14 END 64.991
HIERARCH ESO ISS PBL23 START 42.555
HIERARCH ESO ISS PBL23 END 42.616
HIERARCH ESO ISS PBLA23 START 49.9
HIERARCH ESO ISS PBLA23 END 49.9
HIERARCH ESO ISS PBL24 START 89.005
HIERARCH ESO ISS PBL24 END 88.968
HIERARCH ESO ISS PBLA24 START 79.299
HIERARCH ESO ISS PBLA24 END 79.2
HIERARCH ESO ISS PBL34 START 55.953
HIERARCH ESO ISS PBL34 END 55.836
HIERARCH ESO ISS PBLA34 START 101.194
HIERARCH ESO ISS PBLA34 END 101.123
HIERARCH ESO ISS AMBI TAU0 START 0.003643
HIERARCH ESO ISS AMBI TAU0 END 0.004761
HIERARCH ESO ISS AMBI TEMP 12.21
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.68