Exposure
ID
MATIS.2025-08-09T06:51:38.564_1
Header ID
MATIS.2025-08-09T06:51:38.564
Date updated
2025-08-09 07:00:44 UTC+0000
Release date
2026-08-09 07:00:44 UTC+0000
UTC Start
2025-08-09 06:51:38.564
UTC End
2025-08-09 06:52:40.574
MJD Start
60896.28586301
MJD End
60896.28658071833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004933
Ambient temperature (°C)
12.62
Seeing (arcsec)
0.8049999999999999
Observation
ID
69583
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
51685
Name
HD 218396
RA
346.871597
DEC
21.1339
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 44.3400 44.4270 35.9000 36.0000
U1-U3 83.6720 83.8410 42.8000 42.8000
U1-U4 123.9180 124.0730 67.6290 67.5650
U2-U3 40.0060 40.0830 50.4000 50.4000
U2-U4 89.2960 89.3160 82.7630 82.6690
U3-U4 59.4790 59.3980 103.8510 103.7740
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 60896.28586301
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871597
DEC 21.1339
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 44.34
HIERARCH ESO ISS PBL12 END 44.427
HIERARCH ESO ISS PBLA12 START 35.9
HIERARCH ESO ISS PBLA12 END 36.0
HIERARCH ESO ISS PBL13 START 83.672
HIERARCH ESO ISS PBL13 END 83.841
HIERARCH ESO ISS PBLA13 START 42.8
HIERARCH ESO ISS PBLA13 END 42.8
HIERARCH ESO ISS PBL14 START 123.918
HIERARCH ESO ISS PBL14 END 124.073
HIERARCH ESO ISS PBLA14 START 67.629
HIERARCH ESO ISS PBLA14 END 67.565
HIERARCH ESO ISS PBL23 START 40.006
HIERARCH ESO ISS PBL23 END 40.083
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.296
HIERARCH ESO ISS PBL24 END 89.316
HIERARCH ESO ISS PBLA24 START 82.763
HIERARCH ESO ISS PBLA24 END 82.669
HIERARCH ESO ISS PBL34 START 59.479
HIERARCH ESO ISS PBL34 END 59.398
HIERARCH ESO ISS PBLA34 START 103.851
HIERARCH ESO ISS PBLA34 END 103.774
HIERARCH ESO ISS AMBI TAU0 START 0.004686
HIERARCH ESO ISS AMBI TAU0 END 0.00518
HIERARCH ESO ISS AMBI TEMP 12.62
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.74