Exposure
ID
MATIS.2025-08-07T06:55:47.392_1
Header ID
MATIS.2025-08-07T06:55:47.392
Date updated
2025-08-07 07:05:51 UTC+0000
Release date
2026-08-07 07:05:51 UTC+0000
UTC Start
2025-08-07 06:55:47.392
UTC End
2025-08-07 06:56:49.402
MJD Start
60894.28874296
MJD End
60894.28946066833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.008168
Ambient temperature (°C)
13.32
Seeing (arcsec)
0.525
Observation
ID
69433
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
51589
Name
HD 218396
RA
346.871645
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 44.0270 44.1170 35.7000 35.8000
U1-U3 83.0600 83.2370 42.7000 42.7000
U1-U4 123.3450 123.5120 67.8610 67.7960
U2-U3 39.7230 39.8050 50.4000 50.4000
U2-U4 89.2130 89.2390 83.0980 83.0030
U3-U4 59.7530 59.6760 104.1270 104.0480
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 60894.28874296
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871645
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 44.027
HIERARCH ESO ISS PBL12 END 44.117
HIERARCH ESO ISS PBLA12 START 35.7
HIERARCH ESO ISS PBLA12 END 35.8
HIERARCH ESO ISS PBL13 START 83.06
HIERARCH ESO ISS PBL13 END 83.237
HIERARCH ESO ISS PBLA13 START 42.7
HIERARCH ESO ISS PBLA13 END 42.7
HIERARCH ESO ISS PBL14 START 123.345
HIERARCH ESO ISS PBL14 END 123.512
HIERARCH ESO ISS PBLA14 START 67.861
HIERARCH ESO ISS PBLA14 END 67.796
HIERARCH ESO ISS PBL23 START 39.723
HIERARCH ESO ISS PBL23 END 39.805
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.213
HIERARCH ESO ISS PBL24 END 89.239
HIERARCH ESO ISS PBLA24 START 83.098
HIERARCH ESO ISS PBLA24 END 83.003
HIERARCH ESO ISS PBL34 START 59.753
HIERARCH ESO ISS PBL34 END 59.676
HIERARCH ESO ISS PBLA34 START 104.127
HIERARCH ESO ISS PBLA34 END 104.048
HIERARCH ESO ISS AMBI TAU0 START 0.008168
HIERARCH ESO ISS AMBI TAU0 END 0.008168
HIERARCH ESO ISS AMBI TEMP 13.32
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.55