Exposure
ID
MATIS.2025-11-08T06:52:09.958_1
Header ID
MATIS.2025-11-08T06:52:09.958
Date updated
2025-11-08 07:00:52 UTC+0000
Release date
2026-11-08 07:00:51 UTC+0000
UTC Start
2025-11-08 06:52:09.958
UTC End
2025-11-08 06:53:13.462
MJD Start
60987.28622637
MJD End
60987.28696137
Exposure time (s)
63.5
Validation level
1
Tau 0: Coherence time (s)
0.0022170000000000002
Ambient temperature (°C)
12.6
Seeing (arcsec)
0.775
Observation
ID
71242
Category
science
Program ID
116.29H7.002
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
52901
Name
M 77
RA
40.670527
DEC
-0.01373
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 56.5550 56.5570 35.2000 35.2000
U1-U3 102.2120 102.1910 39.7000 39.7000
U1-U4 119.8300 119.6110 60.7640 60.7040
U2-U3 46.0390 46.0130 45.2000 45.1000
U2-U4 72.9890 72.7380 80.2750 80.2400
U3-U4 44.1440 43.9510 117.1200 117.2490
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.29H7.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60987.28622637
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME M 77
RA 40.670527
DEC -0.01373
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 1.3
HIERARCH ESO DET SEQ1 PERIOD 3.528
HIERARCH ESO DET NDIT 18
HIERARCH ESO ISS PBL12 START 56.555
HIERARCH ESO ISS PBL12 END 56.557
HIERARCH ESO ISS PBLA12 START 35.2
HIERARCH ESO ISS PBLA12 END 35.2
HIERARCH ESO ISS PBL13 START 102.212
HIERARCH ESO ISS PBL13 END 102.191
HIERARCH ESO ISS PBLA13 START 39.7
HIERARCH ESO ISS PBLA13 END 39.7
HIERARCH ESO ISS PBL14 START 119.83
HIERARCH ESO ISS PBL14 END 119.611
HIERARCH ESO ISS PBLA14 START 60.764
HIERARCH ESO ISS PBLA14 END 60.704
HIERARCH ESO ISS PBL23 START 46.039
HIERARCH ESO ISS PBL23 END 46.013
HIERARCH ESO ISS PBLA23 START 45.2
HIERARCH ESO ISS PBLA23 END 45.1
HIERARCH ESO ISS PBL24 START 72.989
HIERARCH ESO ISS PBL24 END 72.738
HIERARCH ESO ISS PBLA24 START 80.275
HIERARCH ESO ISS PBLA24 END 80.24
HIERARCH ESO ISS PBL34 START 44.144
HIERARCH ESO ISS PBL34 END 43.951
HIERARCH ESO ISS PBLA34 START 117.12
HIERARCH ESO ISS PBLA34 END 117.249
HIERARCH ESO ISS AMBI TAU0 START 0.002089
HIERARCH ESO ISS AMBI TAU0 END 0.002345
HIERARCH ESO ISS AMBI TEMP 12.6
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.75