Exposure
ID
MATIS.2025-08-07T06:47:34.148_1
Header ID
MATIS.2025-08-07T06:47:34.148
Date updated
2025-08-07 06:55:55 UTC+0000
Release date
2026-08-07 06:55:55 UTC+0000
UTC Start
2025-08-07 06:47:34.148
UTC End
2025-08-07 06:48:36.158
MJD Start
60894.28303412
MJD End
60894.283751828334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.006832
Ambient temperature (°C)
13.39
Seeing (arcsec)
0.5449999999999999
Observation
ID
69423
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
51583
Name
HD 218396
RA
346.871636
DEC
21.1341
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 43.3310 43.4190 35.1000 35.2000
U1-U3 81.6850 81.8600 42.4000 42.4000
U1-U4 121.9920 122.1700 68.3520 68.2920
U2-U3 39.0800 39.1630 50.4000 50.4000
U2-U4 88.9570 88.9950 83.8240 83.7330
U3-U4 60.3120 60.2450 104.7350 104.6570
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 60894.28303412
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871636
DEC 21.1341
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 43.331
HIERARCH ESO ISS PBL12 END 43.419
HIERARCH ESO ISS PBLA12 START 35.1
HIERARCH ESO ISS PBLA12 END 35.2
HIERARCH ESO ISS PBL13 START 81.685
HIERARCH ESO ISS PBL13 END 81.86
HIERARCH ESO ISS PBLA13 START 42.4
HIERARCH ESO ISS PBLA13 END 42.4
HIERARCH ESO ISS PBL14 START 121.992
HIERARCH ESO ISS PBL14 END 122.17
HIERARCH ESO ISS PBLA14 START 68.352
HIERARCH ESO ISS PBLA14 END 68.292
HIERARCH ESO ISS PBL23 START 39.08
HIERARCH ESO ISS PBL23 END 39.163
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 88.957
HIERARCH ESO ISS PBL24 END 88.995
HIERARCH ESO ISS PBLA24 START 83.824
HIERARCH ESO ISS PBLA24 END 83.733
HIERARCH ESO ISS PBL34 START 60.312
HIERARCH ESO ISS PBL34 END 60.245
HIERARCH ESO ISS PBLA34 START 104.735
HIERARCH ESO ISS PBLA34 END 104.657
HIERARCH ESO ISS AMBI TAU0 START 0.006832
HIERARCH ESO ISS AMBI TAU0 END 0.006832
HIERARCH ESO ISS AMBI TEMP 13.39
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.51