Exposure
ID
MATIS.2025-07-10T09:17:41.271_1
Header ID
MATIS.2025-07-10T09:17:41.271
Date updated
2025-07-10 09:25:44 UTC+0000
Release date
2026-07-10 09:25:44 UTC+0000
UTC Start
2025-07-10 09:17:41.271
UTC End
2025-07-10 09:18:47.715
MJD Start
60866.38728323
MJD End
60866.388052257775
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0058125
Ambient temperature (°C)
12.79
Seeing (arcsec)
0.6499999999999999
Observation
ID
68559
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
50992
Name
HD 218396
RA
346.87096
DEC
21.13427
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_MEDIUM
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 46.6350 46.7370 37.2000 37.3000
U1-U3 88.0380 88.2270 43.4000 43.4000
U1-U4 127.4320 127.5590 65.7680 65.6760
U2-U3 41.9610 42.0440 50.1000 50.1000
U2-U4 89.2750 89.2460 80.2110 80.0900
U3-U4 56.9800 56.8460 101.8620 101.7720
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 60866.38728323
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87096
DEC 21.13427
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME MED
HIERARCH ESO INS DIL ID MED
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 10.0
HIERARCH ESO DET SEQ1 PERIOD 11.074
HIERARCH ESO DET NDIT 6
HIERARCH ESO ISS PBL12 START 46.635
HIERARCH ESO ISS PBL12 END 46.737
HIERARCH ESO ISS PBLA12 START 37.2
HIERARCH ESO ISS PBLA12 END 37.3
HIERARCH ESO ISS PBL13 START 88.038
HIERARCH ESO ISS PBL13 END 88.227
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 127.432
HIERARCH ESO ISS PBL14 END 127.559
HIERARCH ESO ISS PBLA14 START 65.768
HIERARCH ESO ISS PBLA14 END 65.676
HIERARCH ESO ISS PBL23 START 41.961
HIERARCH ESO ISS PBL23 END 42.044
HIERARCH ESO ISS PBLA23 START 50.1
HIERARCH ESO ISS PBLA23 END 50.1
HIERARCH ESO ISS PBL24 START 89.275
HIERARCH ESO ISS PBL24 END 89.246
HIERARCH ESO ISS PBLA24 START 80.211
HIERARCH ESO ISS PBLA24 END 80.09
HIERARCH ESO ISS PBL34 START 56.98
HIERARCH ESO ISS PBL34 END 56.846
HIERARCH ESO ISS PBLA34 START 101.862
HIERARCH ESO ISS PBLA34 END 101.772
HIERARCH ESO ISS AMBI TAU0 START 0.00611
HIERARCH ESO ISS AMBI TAU0 END 0.005515
HIERARCH ESO ISS AMBI TEMP 12.79
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.59