Exposure
ID
MATIS.2025-08-07T06:54:03.273_1
Header ID
MATIS.2025-08-07T06:54:03.273
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 06:54:03.273
UTC End
2025-08-07 06:55:05.283
MJD Start
60894.28753788
MJD End
60894.28825558833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007352
Ambient temperature (°C)
13.35
Seeing (arcsec)
0.52
Observation
ID
69431
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
51588
Name
HD 218396
RA
346.871643
DEC
21.13409
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 43.8810 43.9710 35.6000 35.6000
U1-U3 82.7730 82.9500 42.6000 42.7000
U1-U4 123.0690 123.2400 67.9670 67.9020
U2-U3 39.5890 39.6720 50.4000 50.4000
U2-U4 89.1670 89.1960 83.2520 83.1570
U3-U4 59.8760 59.8010 104.2540 104.1760
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 60894.28753788
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871643
DEC 21.13409
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 43.881
HIERARCH ESO ISS PBL12 END 43.971
HIERARCH ESO ISS PBLA12 START 35.6
HIERARCH ESO ISS PBLA12 END 35.6
HIERARCH ESO ISS PBL13 START 82.773
HIERARCH ESO ISS PBL13 END 82.95
HIERARCH ESO ISS PBLA13 START 42.6
HIERARCH ESO ISS PBLA13 END 42.7
HIERARCH ESO ISS PBL14 START 123.069
HIERARCH ESO ISS PBL14 END 123.24
HIERARCH ESO ISS PBLA14 START 67.967
HIERARCH ESO ISS PBLA14 END 67.902
HIERARCH ESO ISS PBL23 START 39.589
HIERARCH ESO ISS PBL23 END 39.672
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.167
HIERARCH ESO ISS PBL24 END 89.196
HIERARCH ESO ISS PBLA24 START 83.252
HIERARCH ESO ISS PBLA24 END 83.157
HIERARCH ESO ISS PBL34 START 59.876
HIERARCH ESO ISS PBL34 END 59.801
HIERARCH ESO ISS PBLA34 START 104.254
HIERARCH ESO ISS PBLA34 END 104.176
HIERARCH ESO ISS AMBI TAU0 START 0.007352
HIERARCH ESO ISS AMBI TAU0 END 0.007352
HIERARCH ESO ISS AMBI TEMP 13.35
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.5