Exposure
ID
MATIS.2025-11-08T06:48:29.312_1
Header ID
MATIS.2025-11-08T06:48:29.312
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 06:48:29.312
UTC End
2025-11-08 06:49:31.304
MJD Start
60987.28367259
MJD End
60987.28439009
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0023475
Ambient temperature (°C)
12.55
Seeing (arcsec)
0.855
Observation
ID
71239
Category
science
Program ID
116.29H7.002
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
52899
Name
M 77
RA
40.670528
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 56.5460 56.5490 35.2000 35.2000
U1-U3 102.2760 102.2590 39.7000 39.7000
U1-U4 120.5320 120.3320 60.9510 60.8980
U2-U3 46.1210 46.0980 45.3000 45.2000
U2-U4 73.7970 73.5660 80.3840 80.3530
U3-U4 44.7720 44.5920 116.7110 116.8280
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 60987.28367259
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME M 77
RA 40.670528
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 56.546
HIERARCH ESO ISS PBL12 END 56.549
HIERARCH ESO ISS PBLA12 START 35.2
HIERARCH ESO ISS PBLA12 END 35.2
HIERARCH ESO ISS PBL13 START 102.276
HIERARCH ESO ISS PBL13 END 102.259
HIERARCH ESO ISS PBLA13 START 39.7
HIERARCH ESO ISS PBLA13 END 39.7
HIERARCH ESO ISS PBL14 START 120.532
HIERARCH ESO ISS PBL14 END 120.332
HIERARCH ESO ISS PBLA14 START 60.951
HIERARCH ESO ISS PBLA14 END 60.898
HIERARCH ESO ISS PBL23 START 46.121
HIERARCH ESO ISS PBL23 END 46.098
HIERARCH ESO ISS PBLA23 START 45.3
HIERARCH ESO ISS PBLA23 END 45.2
HIERARCH ESO ISS PBL24 START 73.797
HIERARCH ESO ISS PBL24 END 73.566
HIERARCH ESO ISS PBLA24 START 80.384
HIERARCH ESO ISS PBLA24 END 80.353
HIERARCH ESO ISS PBL34 START 44.772
HIERARCH ESO ISS PBL34 END 44.592
HIERARCH ESO ISS PBLA34 START 116.711
HIERARCH ESO ISS PBLA34 END 116.828
HIERARCH ESO ISS AMBI TAU0 START 0.002658
HIERARCH ESO ISS AMBI TAU0 END 0.002037
HIERARCH ESO ISS AMBI TEMP 12.55
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.91