Exposure
ID
MATIS.2025-08-10T06:55:00.536_1
Header ID
MATIS.2025-08-10T06:55:00.536
Date updated
2025-08-10 07:05:44 UTC+0000
Release date
2026-08-10 07:05:43 UTC+0000
UTC Start
2025-08-10 06:55:00.536
UTC End
2025-08-10 06:56:02.546
MJD Start
60897.28820065
MJD End
60897.28891835833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005234
Ambient temperature (°C)
12.34
Seeing (arcsec)
0.48
Observation
ID
69734
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
51782
Name
HD 218396
RA
346.87145
DEC
21.13373
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 44.9490 45.0350 36.3000 36.4000
U1-U3 84.8520 85.0170 43.0000 43.0000
U1-U4 124.9700 125.1110 67.1710 67.1040
U2-U3 40.5450 40.6200 50.4000 50.4000
U2-U4 89.4010 89.4100 82.1130 82.0190
U3-U4 58.9010 58.8150 103.3270 103.2530
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 60897.28820065
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87145
DEC 21.13373
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 44.949
HIERARCH ESO ISS PBL12 END 45.035
HIERARCH ESO ISS PBLA12 START 36.3
HIERARCH ESO ISS PBLA12 END 36.4
HIERARCH ESO ISS PBL13 START 84.852
HIERARCH ESO ISS PBL13 END 85.017
HIERARCH ESO ISS PBLA13 START 43.0
HIERARCH ESO ISS PBLA13 END 43.0
HIERARCH ESO ISS PBL14 START 124.97
HIERARCH ESO ISS PBL14 END 125.111
HIERARCH ESO ISS PBLA14 START 67.171
HIERARCH ESO ISS PBLA14 END 67.104
HIERARCH ESO ISS PBL23 START 40.545
HIERARCH ESO ISS PBL23 END 40.62
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.401
HIERARCH ESO ISS PBL24 END 89.41
HIERARCH ESO ISS PBLA24 START 82.113
HIERARCH ESO ISS PBLA24 END 82.019
HIERARCH ESO ISS PBL34 START 58.901
HIERARCH ESO ISS PBL34 END 58.815
HIERARCH ESO ISS PBLA34 START 103.327
HIERARCH ESO ISS PBLA34 END 103.253
HIERARCH ESO ISS AMBI TAU0 START 0.005234
HIERARCH ESO ISS AMBI TAU0 END 0.005234
HIERARCH ESO ISS AMBI TEMP 12.34
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.48