Exposure
ID
MATIS.2025-08-09T07:16:02.707_1
Header ID
MATIS.2025-08-09T07:16:02.707
Date updated
2025-08-09 07:25:41 UTC+0000
Release date
2026-08-09 07:25:41 UTC+0000
UTC Start
2025-08-09 07:16:02.707
UTC End
2025-08-09 07:17:04.717
MJD Start
60896.30280911
MJD End
60896.30352681833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004285
Ambient temperature (°C)
12.27
Seeing (arcsec)
0.665
Observation
ID
69606
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
51695
Name
HD 218396
RA
346.871618
DEC
21.13389
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 46.3410 46.4250 37.1000 37.1000
U1-U3 87.4910 87.6480 43.3000 43.3000
U1-U4 127.0520 127.1630 66.0230 65.9490
U2-U3 41.7230 41.7910 50.2000 50.2000
U2-U4 89.3430 89.3250 80.5490 80.4510
U3-U4 57.3510 57.2460 102.1130 102.0400
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 60896.30280911
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871618
DEC 21.13389
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 46.341
HIERARCH ESO ISS PBL12 END 46.425
HIERARCH ESO ISS PBLA12 START 37.1
HIERARCH ESO ISS PBLA12 END 37.1
HIERARCH ESO ISS PBL13 START 87.491
HIERARCH ESO ISS PBL13 END 87.648
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 127.052
HIERARCH ESO ISS PBL14 END 127.163
HIERARCH ESO ISS PBLA14 START 66.023
HIERARCH ESO ISS PBLA14 END 65.949
HIERARCH ESO ISS PBL23 START 41.723
HIERARCH ESO ISS PBL23 END 41.791
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 89.343
HIERARCH ESO ISS PBL24 END 89.325
HIERARCH ESO ISS PBLA24 START 80.549
HIERARCH ESO ISS PBLA24 END 80.451
HIERARCH ESO ISS PBL34 START 57.351
HIERARCH ESO ISS PBL34 END 57.246
HIERARCH ESO ISS PBLA34 START 102.113
HIERARCH ESO ISS PBLA34 END 102.04
HIERARCH ESO ISS AMBI TAU0 START 0.004285
HIERARCH ESO ISS AMBI TAU0 END 0.004285
HIERARCH ESO ISS AMBI TEMP 12.27
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.66