Exposure
ID
MATIS.2025-08-11T08:16:52.853_1
Header ID
MATIS.2025-08-11T08:16:52.853
Date updated
2025-08-11 08:25:42 UTC+0000
Release date
2026-08-11 08:25:42 UTC+0000
UTC Start
2025-08-11 08:16:52.853
UTC End
2025-08-11 08:17:54.863
MJD Start
60898.34505617
MJD End
60898.34577387833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0031520000000000003
Ambient temperature (°C)
14.86
Seeing (arcsec)
0.5700000000000001
Observation
ID
69916
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
51887
Name
HD 218396
RA
346.871657
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 51.2100 51.2720 38.2000 38.2000
U1-U3 96.0460 96.1480 42.7000 42.7000
U1-U4 130.1530 130.1380 60.4400 60.3420
U2-U3 45.1760 45.2120 47.9000 47.8000
U2-U4 84.9780 84.8640 73.6110 73.4940
U3-U4 48.4320 48.2670 97.5030 97.4350
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 60898.34505617
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871657
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 51.21
HIERARCH ESO ISS PBL12 END 51.272
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 96.046
HIERARCH ESO ISS PBL13 END 96.148
HIERARCH ESO ISS PBLA13 START 42.7
HIERARCH ESO ISS PBLA13 END 42.7
HIERARCH ESO ISS PBL14 START 130.153
HIERARCH ESO ISS PBL14 END 130.138
HIERARCH ESO ISS PBLA14 START 60.44
HIERARCH ESO ISS PBLA14 END 60.342
HIERARCH ESO ISS PBL23 START 45.176
HIERARCH ESO ISS PBL23 END 45.212
HIERARCH ESO ISS PBLA23 START 47.9
HIERARCH ESO ISS PBLA23 END 47.8
HIERARCH ESO ISS PBL24 START 84.978
HIERARCH ESO ISS PBL24 END 84.864
HIERARCH ESO ISS PBLA24 START 73.611
HIERARCH ESO ISS PBLA24 END 73.494
HIERARCH ESO ISS PBL34 START 48.432
HIERARCH ESO ISS PBL34 END 48.267
HIERARCH ESO ISS PBLA34 START 97.503
HIERARCH ESO ISS PBLA34 END 97.435
HIERARCH ESO ISS AMBI TAU0 START 0.003251
HIERARCH ESO ISS AMBI TAU0 END 0.003053
HIERARCH ESO ISS AMBI TEMP 14.86
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.6