Exposure
ID
MATIS.2025-09-24T00:32:52.539_1
Header ID
MATIS.2025-09-24T00:32:52.539
Date updated
2025-09-24 00:40:52 UTC+0000
Release date
2025-09-24 00:32:52 UTC+0000
UTC Start
2025-09-24 00:32:52.539
UTC End
2025-09-24 00:33:52.503
MJD Start
60942.02283031
MJD End
60942.023524337776
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.005855
Ambient temperature (°C)
15.52
Seeing (arcsec)
0.62
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 86.9430 86.8680 130.1000 130.3000
A0-J2 120.3890 120.2140 106.2000 106.4000
A0-K0 117.8060 117.6140 82.7120 82.8250
G1-J2 53.9780 53.9010 65.5000 65.6000
G1-K0 87.0030 86.9470 35.3640 35.4380
J2-K0 48.5560 48.5550 1.4720 1.5830
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 60942.02283031
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 86.943
HIERARCH ESO ISS PBL12 END 86.868
HIERARCH ESO ISS PBLA12 START 130.1
HIERARCH ESO ISS PBLA12 END 130.3
HIERARCH ESO ISS PBL13 START 120.389
HIERARCH ESO ISS PBL13 END 120.214
HIERARCH ESO ISS PBLA13 START 106.2
HIERARCH ESO ISS PBLA13 END 106.4
HIERARCH ESO ISS PBL14 START 117.806
HIERARCH ESO ISS PBL14 END 117.614
HIERARCH ESO ISS PBLA14 START 82.712
HIERARCH ESO ISS PBLA14 END 82.825
HIERARCH ESO ISS PBL23 START 53.978
HIERARCH ESO ISS PBL23 END 53.901
HIERARCH ESO ISS PBLA23 START 65.5
HIERARCH ESO ISS PBLA23 END 65.6
HIERARCH ESO ISS PBL24 START 87.003
HIERARCH ESO ISS PBL24 END 86.947
HIERARCH ESO ISS PBLA24 START 35.364
HIERARCH ESO ISS PBLA24 END 35.438
HIERARCH ESO ISS PBL34 START 48.556
HIERARCH ESO ISS PBL34 END 48.555
HIERARCH ESO ISS PBLA34 START 1.472
HIERARCH ESO ISS PBLA34 END 1.583
HIERARCH ESO ISS AMBI TAU0 START 0.005855
HIERARCH ESO ISS AMBI TAU0 END 0.005855
HIERARCH ESO ISS AMBI TEMP 15.52
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.62