Exposure
ID
MATIS.2025-07-10T09:22:28.303_1
Header ID
MATIS.2025-07-10T09:22:28.303
Date updated
2025-07-10 09:30:42 UTC+0000
Release date
2026-07-10 09:30:41 UTC+0000
UTC Start
2025-07-10 09:22:28.303
UTC End
2025-07-10 09:23:30.313
MJD Start
60866.39060536
MJD End
60866.39132306833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0040155
Ambient temperature (°C)
12.77
Seeing (arcsec)
0.585
Observation
ID
68564
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
50994
Name
HD 218396
RA
346.870962
DEC
21.13427
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 47.0110 47.0910 37.4000 37.4000
U1-U3 88.7330 88.8810 43.4000 43.4000
U1-U4 127.8880 127.9810 65.4250 65.3500
U2-U3 42.2620 42.3260 50.0000 50.0000
U2-U4 89.1570 89.1270 79.7610 79.6640
U3-U4 56.4790 56.3680 101.5310 101.4600
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 60866.39060536
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870962
DEC 21.13427
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 47.011
HIERARCH ESO ISS PBL12 END 47.091
HIERARCH ESO ISS PBLA12 START 37.4
HIERARCH ESO ISS PBLA12 END 37.4
HIERARCH ESO ISS PBL13 START 88.733
HIERARCH ESO ISS PBL13 END 88.881
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 127.888
HIERARCH ESO ISS PBL14 END 127.981
HIERARCH ESO ISS PBLA14 START 65.425
HIERARCH ESO ISS PBLA14 END 65.35
HIERARCH ESO ISS PBL23 START 42.262
HIERARCH ESO ISS PBL23 END 42.326
HIERARCH ESO ISS PBLA23 START 50.0
HIERARCH ESO ISS PBLA23 END 50.0
HIERARCH ESO ISS PBL24 START 89.157
HIERARCH ESO ISS PBL24 END 89.127
HIERARCH ESO ISS PBLA24 START 79.761
HIERARCH ESO ISS PBLA24 END 79.664
HIERARCH ESO ISS PBL34 START 56.479
HIERARCH ESO ISS PBL34 END 56.368
HIERARCH ESO ISS PBLA34 START 101.531
HIERARCH ESO ISS PBLA34 END 101.46
HIERARCH ESO ISS AMBI TAU0 START 0.004062
HIERARCH ESO ISS AMBI TAU0 END 0.003969
HIERARCH ESO ISS AMBI TEMP 12.77
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.58