Exposure
ID
MATIS.2025-11-08T06:39:44.910_1
Header ID
MATIS.2025-11-08T06:39:44.910
Date updated
2025-11-08 06:45:57 UTC+0000
Release date
2026-11-08 06:45:57 UTC+0000
UTC Start
2025-11-08 06:39:44.910
UTC End
2025-11-08 06:40:46.634
MJD Start
60987.27760312
MJD End
60987.27831751815
Exposure time (s)
61.7
Validation level
1
Tau 0: Coherence time (s)
0.002996
Ambient temperature (°C)
12.53
Seeing (arcsec)
0.76
Observation
ID
71230
Category
science
Program ID
116.29H7.002
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
52893
Name
M 77
RA
40.67053
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 56.5040 56.5110 35.2000 35.2000
U1-U3 102.3840 102.3750 39.8000 39.8000
U1-U4 122.1120 121.9260 61.3660 61.3180
U2-U3 46.2930 46.2740 45.5000 45.5000
U2-U4 75.6470 75.4270 80.6240 80.5960
U3-U4 46.2380 46.0610 115.8050 115.9110
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 60987.27760312
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME M 77
RA 40.67053
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 56.504
HIERARCH ESO ISS PBL12 END 56.511
HIERARCH ESO ISS PBLA12 START 35.2
HIERARCH ESO ISS PBLA12 END 35.2
HIERARCH ESO ISS PBL13 START 102.384
HIERARCH ESO ISS PBL13 END 102.375
HIERARCH ESO ISS PBLA13 START 39.8
HIERARCH ESO ISS PBLA13 END 39.8
HIERARCH ESO ISS PBL14 START 122.112
HIERARCH ESO ISS PBL14 END 121.926
HIERARCH ESO ISS PBLA14 START 61.366
HIERARCH ESO ISS PBLA14 END 61.318
HIERARCH ESO ISS PBL23 START 46.293
HIERARCH ESO ISS PBL23 END 46.274
HIERARCH ESO ISS PBLA23 START 45.5
HIERARCH ESO ISS PBLA23 END 45.5
HIERARCH ESO ISS PBL24 START 75.647
HIERARCH ESO ISS PBL24 END 75.427
HIERARCH ESO ISS PBLA24 START 80.624
HIERARCH ESO ISS PBLA24 END 80.596
HIERARCH ESO ISS PBL34 START 46.238
HIERARCH ESO ISS PBL34 END 46.061
HIERARCH ESO ISS PBLA34 START 115.805
HIERARCH ESO ISS PBLA34 END 115.911
HIERARCH ESO ISS AMBI TAU0 START 0.002996
HIERARCH ESO ISS AMBI TAU0 END 0.002996
HIERARCH ESO ISS AMBI TEMP 12.53
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.76