Exposure
ID
MATIS.2025-08-10T07:06:58.645_1
Header ID
MATIS.2025-08-10T07:06:58.645
Date updated
2025-08-10 07:15:44 UTC+0000
Release date
2026-08-10 07:15:44 UTC+0000
UTC Start
2025-08-10 07:06:58.645
UTC End
2025-08-10 07:08:00.655
MJD Start
60897.29651209
MJD End
60897.29722979833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004718
Ambient temperature (°C)
12.3
Seeing (arcsec)
0.45
Observation
ID
69746
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
51788
Name
HD 218396
RA
346.871456
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 45.9290 46.0120 36.9000 36.9000
U1-U3 86.7180 86.8750 43.2000 43.3000
U1-U4 126.4830 126.6010 66.3790 66.3090
U2-U3 41.3820 41.4520 50.3000 50.3000
U2-U4 89.4050 89.3950 81.0250 80.9310
U3-U4 57.8450 57.7470 102.4760 102.4040
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 60897.29651209
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871456
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 45.929
HIERARCH ESO ISS PBL12 END 46.012
HIERARCH ESO ISS PBLA12 START 36.9
HIERARCH ESO ISS PBLA12 END 36.9
HIERARCH ESO ISS PBL13 START 86.718
HIERARCH ESO ISS PBL13 END 86.875
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 126.483
HIERARCH ESO ISS PBL14 END 126.601
HIERARCH ESO ISS PBLA14 START 66.379
HIERARCH ESO ISS PBLA14 END 66.309
HIERARCH ESO ISS PBL23 START 41.382
HIERARCH ESO ISS PBL23 END 41.452
HIERARCH ESO ISS PBLA23 START 50.3
HIERARCH ESO ISS PBLA23 END 50.3
HIERARCH ESO ISS PBL24 START 89.405
HIERARCH ESO ISS PBL24 END 89.395
HIERARCH ESO ISS PBLA24 START 81.025
HIERARCH ESO ISS PBLA24 END 80.931
HIERARCH ESO ISS PBL34 START 57.845
HIERARCH ESO ISS PBL34 END 57.747
HIERARCH ESO ISS PBLA34 START 102.476
HIERARCH ESO ISS PBLA34 END 102.404
HIERARCH ESO ISS AMBI TAU0 START 0.004718
HIERARCH ESO ISS AMBI TAU0 END 0.004718
HIERARCH ESO ISS AMBI TEMP 12.3
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.45