Exposure
ID
MATIS.2025-06-27T05:10:51.384_1
Header ID
MATIS.2025-06-27T05:10:51.384
Date updated
2025-06-27 05:20:47 UTC+0000
Release date
2026-06-27 05:20:47 UTC+0000
UTC Start
2025-06-27 05:10:51.384
UTC End
2025-06-27 05:11:51.392
MJD Start
60853.2158725
MJD End
60853.21656703704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.001638
Ambient temperature (°C)
5.88
Seeing (arcsec)
0.89
Observation
ID
68242
Category
science
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
50630
Name
V VX Sgr
RA
272.015659
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.0820 25.0740 147.2000 147.3000
A0-D0 31.6530 31.6340 74.8000 74.9000
A0-C1 22.3060 22.2920 120.4070 120.5240
B2-D0 33.9040 33.9010 30.0000 30.1000
B2-C1 11.2940 11.2930 29.9550 30.0430
D0-C1 22.6100 22.6080 210.0180 210.1050
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.005
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60853.2158725
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.015659
DEC -22.22406
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN 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 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 25.082
HIERARCH ESO ISS PBL12 END 25.074
HIERARCH ESO ISS PBLA12 START 147.2
HIERARCH ESO ISS PBLA12 END 147.3
HIERARCH ESO ISS PBL13 START 31.653
HIERARCH ESO ISS PBL13 END 31.634
HIERARCH ESO ISS PBLA13 START 74.8
HIERARCH ESO ISS PBLA13 END 74.9
HIERARCH ESO ISS PBL14 START 22.306
HIERARCH ESO ISS PBL14 END 22.292
HIERARCH ESO ISS PBLA14 START 120.407
HIERARCH ESO ISS PBLA14 END 120.524
HIERARCH ESO ISS PBL23 START 33.904
HIERARCH ESO ISS PBL23 END 33.901
HIERARCH ESO ISS PBLA23 START 30.0
HIERARCH ESO ISS PBLA23 END 30.1
HIERARCH ESO ISS PBL24 START 11.294
HIERARCH ESO ISS PBL24 END 11.293
HIERARCH ESO ISS PBLA24 START 29.955
HIERARCH ESO ISS PBLA24 END 30.043
HIERARCH ESO ISS PBL34 START 22.61
HIERARCH ESO ISS PBL34 END 22.608
HIERARCH ESO ISS PBLA34 START 210.018
HIERARCH ESO ISS PBLA34 END 210.105
HIERARCH ESO ISS AMBI TAU0 START 0.001718
HIERARCH ESO ISS AMBI TAU0 END 0.001558
HIERARCH ESO ISS AMBI TEMP 5.88
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.89