Exposure
ID
MATIS.2025-11-08T06:57:32.770_1
Header ID
MATIS.2025-11-08T06:57:32.770
Date updated
2025-11-08 07:10:34 UTC+0000
Release date
2026-11-08 07:10:34 UTC+0000
UTC Start
2025-11-08 06:57:32.770
UTC End
2025-11-08 06:58:36.274
MJD Start
60987.28996262
MJD End
60987.29069762
Exposure time (s)
63.5
Validation level
1
Tau 0: Coherence time (s)
0.0029335
Ambient temperature (°C)
12.6
Seeing (arcsec)
0.755
Observation
ID
71248
Category
science
Program ID
116.29H7.002
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
52904
Name
M 77
RA
40.670522
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 56.5600 56.5590 35.2000 35.2000
U1-U3 102.0990 102.0740 39.6000 39.6000
U1-U4 118.7570 118.5390 60.4710 60.4110
U2-U3 45.9080 45.8800 45.0000 45.0000
U2-U4 71.7670 71.5210 80.1050 80.0710
U3-U4 43.2080 43.0220 117.7560 117.8860
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 60987.28996262
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME M 77
RA 40.670522
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 3.528
HIERARCH ESO DET NDIT 18
HIERARCH ESO ISS PBL12 START 56.56
HIERARCH ESO ISS PBL12 END 56.559
HIERARCH ESO ISS PBLA12 START 35.2
HIERARCH ESO ISS PBLA12 END 35.2
HIERARCH ESO ISS PBL13 START 102.099
HIERARCH ESO ISS PBL13 END 102.074
HIERARCH ESO ISS PBLA13 START 39.6
HIERARCH ESO ISS PBLA13 END 39.6
HIERARCH ESO ISS PBL14 START 118.757
HIERARCH ESO ISS PBL14 END 118.539
HIERARCH ESO ISS PBLA14 START 60.471
HIERARCH ESO ISS PBLA14 END 60.411
HIERARCH ESO ISS PBL23 START 45.908
HIERARCH ESO ISS PBL23 END 45.88
HIERARCH ESO ISS PBLA23 START 45.0
HIERARCH ESO ISS PBLA23 END 45.0
HIERARCH ESO ISS PBL24 START 71.767
HIERARCH ESO ISS PBL24 END 71.521
HIERARCH ESO ISS PBLA24 START 80.105
HIERARCH ESO ISS PBLA24 END 80.071
HIERARCH ESO ISS PBL34 START 43.208
HIERARCH ESO ISS PBL34 END 43.022
HIERARCH ESO ISS PBLA34 START 117.756
HIERARCH ESO ISS PBLA34 END 117.886
HIERARCH ESO ISS AMBI TAU0 START 0.003065
HIERARCH ESO ISS AMBI TAU0 END 0.002802
HIERARCH ESO ISS AMBI TEMP 12.6
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.73