Exposure
ID
MATIS.2025-08-07T07:20:13.726_1
Header ID
MATIS.2025-08-07T07:20:13.726
Date updated
2025-08-07 07:30:52 UTC+0000
Release date
2026-08-07 07:30:52 UTC+0000
UTC Start
2025-08-07 07:20:13.726
UTC End
2025-08-07 07:21:15.736
MJD Start
60894.30571442
MJD End
60894.30643212833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00816
Ambient temperature (°C)
13.3
Seeing (arcsec)
0.64
Observation
ID
69457
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
51601
Name
HD 218396
RA
346.871665
DEC
21.13408
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 46.0460 46.1310 37.0000 37.0000
U1-U3 86.9380 87.0990 43.3000 43.3000
U1-U4 126.6480 126.7680 66.2800 66.2070
U2-U3 41.4790 41.5500 50.3000 50.2000
U2-U4 89.3910 89.3790 80.8920 80.7940
U3-U4 57.7080 57.6060 102.3740 102.2990
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 60894.30571442
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871665
DEC 21.13408
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 46.046
HIERARCH ESO ISS PBL12 END 46.131
HIERARCH ESO ISS PBLA12 START 37.0
HIERARCH ESO ISS PBLA12 END 37.0
HIERARCH ESO ISS PBL13 START 86.938
HIERARCH ESO ISS PBL13 END 87.099
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 126.648
HIERARCH ESO ISS PBL14 END 126.768
HIERARCH ESO ISS PBLA14 START 66.28
HIERARCH ESO ISS PBLA14 END 66.207
HIERARCH ESO ISS PBL23 START 41.479
HIERARCH ESO ISS PBL23 END 41.55
HIERARCH ESO ISS PBLA23 START 50.3
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 89.391
HIERARCH ESO ISS PBL24 END 89.379
HIERARCH ESO ISS PBLA24 START 80.892
HIERARCH ESO ISS PBLA24 END 80.794
HIERARCH ESO ISS PBL34 START 57.708
HIERARCH ESO ISS PBL34 END 57.606
HIERARCH ESO ISS PBLA34 START 102.374
HIERARCH ESO ISS PBLA34 END 102.299
HIERARCH ESO ISS AMBI TAU0 START 0.00816
HIERARCH ESO ISS AMBI TAU0 END 0.00816
HIERARCH ESO ISS AMBI TEMP 13.3
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64