Exposure
ID
MATIS.2025-08-11T07:58:44.722_1
Header ID
MATIS.2025-08-11T07:58:44.722
Date updated
2025-08-11 08:05:42 UTC+0000
Release date
2026-08-11 08:05:42 UTC+0000
UTC Start
2025-08-11 07:58:44.722
UTC End
2025-08-11 07:59:46.732
MJD Start
60898.33246206
MJD End
60898.333179768335
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0056545
Ambient temperature (°C)
14.7
Seeing (arcsec)
0.385
Observation
ID
69920
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
51889
Name
HD 218396
RA
346.871656
DEC
21.1337
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 50.0580 50.1270 38.2000 38.2000
U1-U3 94.1320 94.2480 43.2000 43.1000
U1-U4 130.1290 130.1450 62.0820 61.9920
U2-U3 44.4680 44.5120 48.7000 48.7000
U2-U4 86.7460 86.6560 75.5840 75.4750
U3-U4 51.1870 51.0380 98.7000 98.6320
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 60898.33246206
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871656
DEC 21.1337
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 50.058
HIERARCH ESO ISS PBL12 END 50.127
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 94.132
HIERARCH ESO ISS PBL13 END 94.248
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 130.129
HIERARCH ESO ISS PBL14 END 130.145
HIERARCH ESO ISS PBLA14 START 62.082
HIERARCH ESO ISS PBLA14 END 61.992
HIERARCH ESO ISS PBL23 START 44.468
HIERARCH ESO ISS PBL23 END 44.512
HIERARCH ESO ISS PBLA23 START 48.7
HIERARCH ESO ISS PBLA23 END 48.7
HIERARCH ESO ISS PBL24 START 86.746
HIERARCH ESO ISS PBL24 END 86.656
HIERARCH ESO ISS PBLA24 START 75.584
HIERARCH ESO ISS PBLA24 END 75.475
HIERARCH ESO ISS PBL34 START 51.187
HIERARCH ESO ISS PBL34 END 51.038
HIERARCH ESO ISS PBLA34 START 98.7
HIERARCH ESO ISS PBLA34 END 98.632
HIERARCH ESO ISS AMBI TAU0 START 0.005866
HIERARCH ESO ISS AMBI TAU0 END 0.005443
HIERARCH ESO ISS AMBI TEMP 14.7
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.39