Exposure
ID
MATIS.2025-08-06T05:51:36.178_1
Header ID
MATIS.2025-08-06T05:51:36.178
Date updated
2025-08-06 06:00:32 UTC+0000
Release date
2026-08-06 06:00:32 UTC+0000
UTC Start
2025-08-06 05:51:36.178
UTC End
2025-08-06 05:52:38.188
MJD Start
60893.24416873
MJD End
60893.24488643833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.008237000000000001
Ambient temperature (°C)
15.21
Seeing (arcsec)
0.61
Observation
ID
69167
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
51437
Name
HD 218396
RA
346.871552
DEC
21.13411
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 38.2070 38.2920 29.2000 29.3000
U1-U3 70.8670 71.0600 38.3000 38.4000
U1-U4 108.4480 108.7350 71.3520 71.3100
U2-U3 33.6850 33.7870 48.6000 48.7000
U2-U4 84.1170 84.2440 89.0970 89.0040
U3-U4 62.4430 62.4350 109.5920 109.5010
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 60893.24416873
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871552
DEC 21.13411
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 38.207
HIERARCH ESO ISS PBL12 END 38.292
HIERARCH ESO ISS PBLA12 START 29.2
HIERARCH ESO ISS PBLA12 END 29.3
HIERARCH ESO ISS PBL13 START 70.867
HIERARCH ESO ISS PBL13 END 71.06
HIERARCH ESO ISS PBLA13 START 38.3
HIERARCH ESO ISS PBLA13 END 38.4
HIERARCH ESO ISS PBL14 START 108.448
HIERARCH ESO ISS PBL14 END 108.735
HIERARCH ESO ISS PBLA14 START 71.352
HIERARCH ESO ISS PBLA14 END 71.31
HIERARCH ESO ISS PBL23 START 33.685
HIERARCH ESO ISS PBL23 END 33.787
HIERARCH ESO ISS PBLA23 START 48.6
HIERARCH ESO ISS PBLA23 END 48.7
HIERARCH ESO ISS PBL24 START 84.117
HIERARCH ESO ISS PBL24 END 84.244
HIERARCH ESO ISS PBLA24 START 89.097
HIERARCH ESO ISS PBLA24 END 89.004
HIERARCH ESO ISS PBL34 START 62.443
HIERARCH ESO ISS PBL34 END 62.435
HIERARCH ESO ISS PBLA34 START 109.592
HIERARCH ESO ISS PBLA34 END 109.501
HIERARCH ESO ISS AMBI TAU0 START 0.008101
HIERARCH ESO ISS AMBI TAU0 END 0.008373
HIERARCH ESO ISS AMBI TEMP 15.21
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.61