Exposure
ID
MATIS.2025-11-08T06:47:03.424_1
Header ID
MATIS.2025-11-08T06:47:03.424
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 06:47:03.424
UTC End
2025-11-08 06:48:05.148
MJD Start
60987.28267852
MJD End
60987.28339291815
Exposure time (s)
61.7
Validation level
1
Tau 0: Coherence time (s)
0.002658
Ambient temperature (°C)
12.55
Seeing (arcsec)
0.8
Observation
ID
71238
Category
science
Program ID
116.29H7.002
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
52898
Name
M 77
RA
40.670526
DEC
-0.01372
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 56.5410 56.5450 35.2000 35.2000
U1-U3 102.2980 102.2820 39.7000 39.7000
U1-U4 120.8000 120.6030 61.0230 60.9700
U2-U3 46.1520 46.1290 45.3000 45.3000
U2-U4 74.1080 73.8790 80.4250 80.3950
U3-U4 45.0150 44.8360 116.5560 116.6710
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 60987.28267852
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME M 77
RA 40.670526
DEC -0.01372
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 2.374
HIERARCH ESO DET NDIT 26
HIERARCH ESO ISS PBL12 START 56.541
HIERARCH ESO ISS PBL12 END 56.545
HIERARCH ESO ISS PBLA12 START 35.2
HIERARCH ESO ISS PBLA12 END 35.2
HIERARCH ESO ISS PBL13 START 102.298
HIERARCH ESO ISS PBL13 END 102.282
HIERARCH ESO ISS PBLA13 START 39.7
HIERARCH ESO ISS PBLA13 END 39.7
HIERARCH ESO ISS PBL14 START 120.8
HIERARCH ESO ISS PBL14 END 120.603
HIERARCH ESO ISS PBLA14 START 61.023
HIERARCH ESO ISS PBLA14 END 60.97
HIERARCH ESO ISS PBL23 START 46.152
HIERARCH ESO ISS PBL23 END 46.129
HIERARCH ESO ISS PBLA23 START 45.3
HIERARCH ESO ISS PBLA23 END 45.3
HIERARCH ESO ISS PBL24 START 74.108
HIERARCH ESO ISS PBL24 END 73.879
HIERARCH ESO ISS PBLA24 START 80.425
HIERARCH ESO ISS PBLA24 END 80.395
HIERARCH ESO ISS PBL34 START 45.015
HIERARCH ESO ISS PBL34 END 44.836
HIERARCH ESO ISS PBLA34 START 116.556
HIERARCH ESO ISS PBLA34 END 116.671
HIERARCH ESO ISS AMBI TAU0 START 0.002658
HIERARCH ESO ISS AMBI TAU0 END 0.002658
HIERARCH ESO ISS AMBI TEMP 12.55
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.8