Exposure
ID
MATIS.2025-08-06T06:57:15.264_1
Header ID
MATIS.2025-08-06T06:57:15.264
Date updated
2025-08-06 07:05:43 UTC+0000
Release date
2026-08-06 07:05:43 UTC+0000
UTC Start
2025-08-06 06:57:15.264
UTC End
2025-08-06 06:58:17.274
MJD Start
60893.28976
MJD End
60893.29047770833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0056235
Ambient temperature (°C)
14.61
Seeing (arcsec)
0.535
Observation
ID
69221
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
51464
Name
HD 218396
RA
346.871598
DEC
21.13407
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 43.8180 43.9080 35.5000 35.6000
U1-U3 82.6490 82.8270 42.6000 42.6000
U1-U4 122.9500 123.1220 68.0120 67.9470
U2-U3 39.5320 39.6150 50.4000 50.4000
U2-U4 89.1460 89.1760 83.3170 83.2230
U3-U4 59.9280 59.8530 104.3090 104.2300
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 60893.28976
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871598
DEC 21.13407
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 43.818
HIERARCH ESO ISS PBL12 END 43.908
HIERARCH ESO ISS PBLA12 START 35.5
HIERARCH ESO ISS PBLA12 END 35.6
HIERARCH ESO ISS PBL13 START 82.649
HIERARCH ESO ISS PBL13 END 82.827
HIERARCH ESO ISS PBLA13 START 42.6
HIERARCH ESO ISS PBLA13 END 42.6
HIERARCH ESO ISS PBL14 START 122.95
HIERARCH ESO ISS PBL14 END 123.122
HIERARCH ESO ISS PBLA14 START 68.012
HIERARCH ESO ISS PBLA14 END 67.947
HIERARCH ESO ISS PBL23 START 39.532
HIERARCH ESO ISS PBL23 END 39.615
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.146
HIERARCH ESO ISS PBL24 END 89.176
HIERARCH ESO ISS PBLA24 START 83.317
HIERARCH ESO ISS PBLA24 END 83.223
HIERARCH ESO ISS PBL34 START 59.928
HIERARCH ESO ISS PBL34 END 59.853
HIERARCH ESO ISS PBLA34 START 104.309
HIERARCH ESO ISS PBLA34 END 104.23
HIERARCH ESO ISS AMBI TAU0 START 0.005825
HIERARCH ESO ISS AMBI TAU0 END 0.005422
HIERARCH ESO ISS AMBI TEMP 14.61
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.54