Exposure
ID
MATIS.2025-06-28T05:44:36.694_1
Header ID
MATIS.2025-06-28T05:44:36.694
Date updated
2025-06-28 05:51:38 UTC+0000
Release date
2025-06-28 05:44:36 UTC+0000
UTC Start
2025-06-28 05:44:36.694
UTC End
2025-06-28 05:45:36.754
MJD Start
60854.23931359
MJD End
60854.240008728884
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.001739
Ambient temperature (°C)
4.73
Seeing (arcsec)
0.865
Observation
ID
68243
Category
calibrator
Program ID
115.27VC.005
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: IMAGING THE RED SUPERGIANT VX SAGITARII WITH VLTI AND ALMA
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / KRTICKA / PALADINI / HÖFNER / FREYTAG / HUMPHREYS
Target
ID
50633
Name
del Sgr
RA
275.247445
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.2410 25.2380 150.8000 150.9000
A0-D0 30.8180 30.7850 78.9000 79.0000
A0-C1 22.2650 22.2520 124.7730 124.9220
B2-D0 33.2200 33.2060 32.6000 32.7000
B2-C1 11.0660 11.0610 32.5760 32.6640
D0-C1 22.1540 22.1440 212.6400 212.7280
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.005
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60854.23931359
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247445
DEC -29.82826
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 25.241
HIERARCH ESO ISS PBL12 END 25.238
HIERARCH ESO ISS PBLA12 START 150.8
HIERARCH ESO ISS PBLA12 END 150.9
HIERARCH ESO ISS PBL13 START 30.818
HIERARCH ESO ISS PBL13 END 30.785
HIERARCH ESO ISS PBLA13 START 78.9
HIERARCH ESO ISS PBLA13 END 79.0
HIERARCH ESO ISS PBL14 START 22.265
HIERARCH ESO ISS PBL14 END 22.252
HIERARCH ESO ISS PBLA14 START 124.773
HIERARCH ESO ISS PBLA14 END 124.922
HIERARCH ESO ISS PBL23 START 33.22
HIERARCH ESO ISS PBL23 END 33.206
HIERARCH ESO ISS PBLA23 START 32.6
HIERARCH ESO ISS PBLA23 END 32.7
HIERARCH ESO ISS PBL24 START 11.066
HIERARCH ESO ISS PBL24 END 11.061
HIERARCH ESO ISS PBLA24 START 32.576
HIERARCH ESO ISS PBLA24 END 32.664
HIERARCH ESO ISS PBL34 START 22.154
HIERARCH ESO ISS PBL34 END 22.144
HIERARCH ESO ISS PBLA34 START 212.64
HIERARCH ESO ISS PBLA34 END 212.728
HIERARCH ESO ISS AMBI TAU0 START 0.001709
HIERARCH ESO ISS AMBI TAU0 END 0.001769
HIERARCH ESO ISS AMBI TEMP 4.73
HIERARCH ESO ISS AMBI FWHM START 0.88
HIERARCH ESO ISS AMBI FWHM END 0.85