Exposure
ID
MATIS.2025-08-05T08:33:42.938_1
Header ID
MATIS.2025-08-05T08:33:42.938
Date updated
2025-08-05 08:40:43 UTC+0000
Release date
2026-08-05 08:40:43 UTC+0000
UTC Start
2025-08-05 08:33:42.938
UTC End
2025-08-05 08:34:44.948
MJD Start
60892.35674697
MJD End
60892.35746467833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005069
Ambient temperature (°C)
14.0
Seeing (arcsec)
0.56
Observation
ID
69063
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
51380
Name
HD 218396
RA
346.871674
DEC
21.13365
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 50.7920 50.8580 38.2000 38.2000
U1-U3 95.3610 95.4700 42.9000 42.9000
U1-U4 130.2080 130.2040 61.0670 60.9700
U2-U3 44.9290 44.9690 48.2000 48.2000
U2-U4 85.6870 85.5800 74.3610 74.2450
U3-U4 49.4940 49.3300 97.9480 97.8780
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 60892.35674697
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871674
DEC 21.13365
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 50.792
HIERARCH ESO ISS PBL12 END 50.858
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 95.361
HIERARCH ESO ISS PBL13 END 95.47
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 130.208
HIERARCH ESO ISS PBL14 END 130.204
HIERARCH ESO ISS PBLA14 START 61.067
HIERARCH ESO ISS PBLA14 END 60.97
HIERARCH ESO ISS PBL23 START 44.929
HIERARCH ESO ISS PBL23 END 44.969
HIERARCH ESO ISS PBLA23 START 48.2
HIERARCH ESO ISS PBLA23 END 48.2
HIERARCH ESO ISS PBL24 START 85.687
HIERARCH ESO ISS PBL24 END 85.58
HIERARCH ESO ISS PBLA24 START 74.361
HIERARCH ESO ISS PBLA24 END 74.245
HIERARCH ESO ISS PBL34 START 49.494
HIERARCH ESO ISS PBL34 END 49.33
HIERARCH ESO ISS PBLA34 START 97.948
HIERARCH ESO ISS PBLA34 END 97.878
HIERARCH ESO ISS AMBI TAU0 START 0.005069
HIERARCH ESO ISS AMBI TAU0 END 0.005069
HIERARCH ESO ISS AMBI TEMP 14.0
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.56