Exposure
ID
MATIS.2025-08-07T07:02:19.999_1
Header ID
MATIS.2025-08-07T07:02:19.999
Date updated
2025-08-07 07:10:34 UTC+0000
Release date
2026-08-07 07:10:34 UTC+0000
UTC Start
2025-08-07 07:02:19.999
UTC End
2025-08-07 07:03:22.009
MJD Start
60894.29328703
MJD End
60894.29400473833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.008126000000000001
Ambient temperature (°C)
13.31
Seeing (arcsec)
0.575
Observation
ID
69439
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
51592
Name
HD 218396
RA
346.871651
DEC
21.13409
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 44.5790 44.6650 36.1000 36.1000
U1-U3 84.1360 84.3040 42.9000 42.9000
U1-U4 124.3400 124.4900 67.4540 67.3880
U2-U3 40.2190 40.2950 50.4000 50.4000
U2-U4 89.3460 89.3620 82.5120 82.4190
U3-U4 59.2590 59.1780 103.6470 103.5720
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 60894.29328703
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871651
DEC 21.13409
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 44.579
HIERARCH ESO ISS PBL12 END 44.665
HIERARCH ESO ISS PBLA12 START 36.1
HIERARCH ESO ISS PBLA12 END 36.1
HIERARCH ESO ISS PBL13 START 84.136
HIERARCH ESO ISS PBL13 END 84.304
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 124.34
HIERARCH ESO ISS PBL14 END 124.49
HIERARCH ESO ISS PBLA14 START 67.454
HIERARCH ESO ISS PBLA14 END 67.388
HIERARCH ESO ISS PBL23 START 40.219
HIERARCH ESO ISS PBL23 END 40.295
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.346
HIERARCH ESO ISS PBL24 END 89.362
HIERARCH ESO ISS PBLA24 START 82.512
HIERARCH ESO ISS PBLA24 END 82.419
HIERARCH ESO ISS PBL34 START 59.259
HIERARCH ESO ISS PBL34 END 59.178
HIERARCH ESO ISS PBLA34 START 103.647
HIERARCH ESO ISS PBLA34 END 103.572
HIERARCH ESO ISS AMBI TAU0 START 0.007639
HIERARCH ESO ISS AMBI TAU0 END 0.008613
HIERARCH ESO ISS AMBI TEMP 13.31
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.57