Exposure
ID
MATIS.2025-11-08T06:49:54.276_1
Header ID
MATIS.2025-11-08T06:49:54.276
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 06:49:54.276
UTC End
2025-11-08 06:50:56.000
MJD Start
60987.28465597
MJD End
60987.28537036815
Exposure time (s)
61.7
Validation level
1
Tau 0: Coherence time (s)
0.002203
Ambient temperature (°C)
12.57
Seeing (arcsec)
0.81
Observation
ID
71241
Category
science
Program ID
116.29H7.002
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
52900
Name
M 77
RA
40.670526
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 56.5500 56.5520 35.2000 35.2000
U1-U3 102.2520 102.2340 39.7000 39.7000
U1-U4 120.2620 120.0620 60.8790 60.8260
U2-U3 46.0900 46.0660 45.2000 45.2000
U2-U4 73.4850 73.2560 80.3420 80.3110
U3-U4 44.5290 44.3510 116.8680 116.9850
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 60987.28465597
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME M 77
RA 40.670526
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 2.374
HIERARCH ESO DET NDIT 26
HIERARCH ESO ISS PBL12 START 56.55
HIERARCH ESO ISS PBL12 END 56.552
HIERARCH ESO ISS PBLA12 START 35.2
HIERARCH ESO ISS PBLA12 END 35.2
HIERARCH ESO ISS PBL13 START 102.252
HIERARCH ESO ISS PBL13 END 102.234
HIERARCH ESO ISS PBLA13 START 39.7
HIERARCH ESO ISS PBLA13 END 39.7
HIERARCH ESO ISS PBL14 START 120.262
HIERARCH ESO ISS PBL14 END 120.062
HIERARCH ESO ISS PBLA14 START 60.879
HIERARCH ESO ISS PBLA14 END 60.826
HIERARCH ESO ISS PBL23 START 46.09
HIERARCH ESO ISS PBL23 END 46.066
HIERARCH ESO ISS PBLA23 START 45.2
HIERARCH ESO ISS PBLA23 END 45.2
HIERARCH ESO ISS PBL24 START 73.485
HIERARCH ESO ISS PBL24 END 73.256
HIERARCH ESO ISS PBLA24 START 80.342
HIERARCH ESO ISS PBLA24 END 80.311
HIERARCH ESO ISS PBL34 START 44.529
HIERARCH ESO ISS PBL34 END 44.351
HIERARCH ESO ISS PBLA34 START 116.868
HIERARCH ESO ISS PBLA34 END 116.985
HIERARCH ESO ISS AMBI TAU0 START 0.002203
HIERARCH ESO ISS AMBI TAU0 END 0.002203
HIERARCH ESO ISS AMBI TEMP 12.57
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.8