Exposure
ID
MATIS.2025-11-08T06:47:04.007_1
Header ID
MATIS.2025-11-08T06:47:04.007
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 06:47:04.007
UTC End
2025-11-08 06:48:05.999
MJD Start
60987.28268527
MJD End
60987.28340277
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.002658
Ambient temperature (°C)
12.55
Seeing (arcsec)
0.8
Observation
ID
71240
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
HIGH_SENS_N_HIGH
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 120.7960 120.6010 61.0210 60.9700
U2-U3 46.1510 46.1290 45.3000 45.3000
U2-U4 74.1030 73.8770 80.4240 80.3940
U3-U4 45.0110 44.8340 116.5590 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 60987.28268527
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME M 77
RA 40.670526
DEC -0.01372
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME HIGH
HIERARCH ESO INS DIN ID HIGH
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 0.0750053
HIERARCH ESO DET SEQ1 PERIOD 0.084
HIERARCH ESO DET NDIT 738
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 120.796
HIERARCH ESO ISS PBL14 END 120.601
HIERARCH ESO ISS PBLA14 START 61.021
HIERARCH ESO ISS PBLA14 END 60.97
HIERARCH ESO ISS PBL23 START 46.151
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 74.103
HIERARCH ESO ISS PBL24 END 73.877
HIERARCH ESO ISS PBLA24 START 80.424
HIERARCH ESO ISS PBLA24 END 80.394
HIERARCH ESO ISS PBL34 START 45.011
HIERARCH ESO ISS PBL34 END 44.834
HIERARCH ESO ISS PBLA34 START 116.559
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