Exposure
ID
MATIS.2025-09-24T00:37:01.023_1
Header ID
MATIS.2025-09-24T00:37:01.023
Date updated
2025-09-24 00:45:44 UTC+0000
Release date
2025-09-24 00:37:01 UTC+0000
UTC Start
2025-09-24 00:37:01.023
UTC End
2025-09-24 00:38:00.987
MJD Start
60942.02570628
MJD End
60942.026400307775
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.007522
Ambient temperature (°C)
15.54
Seeing (arcsec)
0.44
Observation
ID
70485
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
52267
Name
del Sgr
RA
275.247447
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 86.6350 86.5580 130.8000 131.0000
A0-J2 119.6660 119.4850 106.8000 107.0000
A0-K0 117.0100 116.8100 83.1790 83.2960
G1-J2 53.6590 53.5790 65.8000 65.9000
G1-K0 86.7710 86.7130 35.6660 35.7410
J2-K0 48.5540 48.5540 1.9310 2.0450
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 60942.02570628
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247447
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.228
HIERARCH ESO DET NDIT 263
HIERARCH ESO ISS PBL12 START 86.635
HIERARCH ESO ISS PBL12 END 86.558
HIERARCH ESO ISS PBLA12 START 130.8
HIERARCH ESO ISS PBLA12 END 131.0
HIERARCH ESO ISS PBL13 START 119.666
HIERARCH ESO ISS PBL13 END 119.485
HIERARCH ESO ISS PBLA13 START 106.8
HIERARCH ESO ISS PBLA13 END 107.0
HIERARCH ESO ISS PBL14 START 117.01
HIERARCH ESO ISS PBL14 END 116.81
HIERARCH ESO ISS PBLA14 START 83.179
HIERARCH ESO ISS PBLA14 END 83.296
HIERARCH ESO ISS PBL23 START 53.659
HIERARCH ESO ISS PBL23 END 53.579
HIERARCH ESO ISS PBLA23 START 65.8
HIERARCH ESO ISS PBLA23 END 65.9
HIERARCH ESO ISS PBL24 START 86.771
HIERARCH ESO ISS PBL24 END 86.713
HIERARCH ESO ISS PBLA24 START 35.666
HIERARCH ESO ISS PBLA24 END 35.741
HIERARCH ESO ISS PBL34 START 48.554
HIERARCH ESO ISS PBL34 END 48.554
HIERARCH ESO ISS PBLA34 START 1.931
HIERARCH ESO ISS PBLA34 END 2.045
HIERARCH ESO ISS AMBI TAU0 START 0.007522
HIERARCH ESO ISS AMBI TAU0 END 0.007522
HIERARCH ESO ISS AMBI TEMP 15.54
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.44