Exposure
ID
MATIS.2025-08-07T06:57:21.860_1
Header ID
MATIS.2025-08-07T06:57:21.860
Date updated
2025-08-07 07:05:51 UTC+0000
Release date
2026-08-07 07:05:51 UTC+0000
UTC Start
2025-08-07 06:57:21.860
UTC End
2025-08-07 06:58:28.304
MJD Start
60894.28983634
MJD End
60894.29060536778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.008017
Ambient temperature (°C)
13.32
Seeing (arcsec)
0.565
Observation
ID
69434
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
51590
Name
HD 218396
RA
346.871647
DEC
21.13409
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 44.1620 44.2710 35.8000 35.9000
U1-U3 83.3250 83.5390 42.7000 42.8000
U1-U4 123.5950 123.7940 67.7630 67.6830
U2-U3 39.8450 39.9440 50.4000 50.4000
U2-U4 89.2510 89.2800 82.9550 82.8390
U3-U4 59.6360 59.5400 104.0090 103.9140
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 60894.28983634
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871647
DEC 21.13409
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 44.162
HIERARCH ESO ISS PBL12 END 44.271
HIERARCH ESO ISS PBLA12 START 35.8
HIERARCH ESO ISS PBLA12 END 35.9
HIERARCH ESO ISS PBL13 START 83.325
HIERARCH ESO ISS PBL13 END 83.539
HIERARCH ESO ISS PBLA13 START 42.7
HIERARCH ESO ISS PBLA13 END 42.8
HIERARCH ESO ISS PBL14 START 123.595
HIERARCH ESO ISS PBL14 END 123.794
HIERARCH ESO ISS PBLA14 START 67.763
HIERARCH ESO ISS PBLA14 END 67.683
HIERARCH ESO ISS PBL23 START 39.845
HIERARCH ESO ISS PBL23 END 39.944
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.251
HIERARCH ESO ISS PBL24 END 89.28
HIERARCH ESO ISS PBLA24 START 82.955
HIERARCH ESO ISS PBLA24 END 82.839
HIERARCH ESO ISS PBL34 START 59.636
HIERARCH ESO ISS PBL34 END 59.54
HIERARCH ESO ISS PBLA34 START 104.009
HIERARCH ESO ISS PBLA34 END 103.914
HIERARCH ESO ISS AMBI TAU0 START 0.008168
HIERARCH ESO ISS AMBI TAU0 END 0.007866
HIERARCH ESO ISS AMBI TEMP 13.32
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.58