Exposure
ID
MATIS.2025-06-28T06:21:49.390_1
Header ID
MATIS.2025-06-28T06:21:49.390
Date updated
2025-06-28 06:32:21 UTC+0000
Release date
2026-06-28 06:32:21 UTC+0000
UTC Start
2025-06-28 06:21:49.390
UTC End
2025-06-28 06:22:49.398
MJD Start
60854.26515498
MJD End
60854.26584951704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0018605
Ambient temperature (°C)
4.72
Seeing (arcsec)
0.8300000000000001
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 24.3640 24.3530 157.5000 157.6000
A0-D0 28.8930 28.8360 80.9000 80.9000
A0-C1 20.7020 20.6730 130.6080 130.7730
B2-D0 33.2140 33.1980 35.3000 35.4000
B2-C1 11.0650 11.0590 35.2740 35.3300
D0-C1 22.1500 22.1390 215.3340 215.3890
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 60854.26515498
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 24.364
HIERARCH ESO ISS PBL12 END 24.353
HIERARCH ESO ISS PBLA12 START 157.5
HIERARCH ESO ISS PBLA12 END 157.6
HIERARCH ESO ISS PBL13 START 28.893
HIERARCH ESO ISS PBL13 END 28.836
HIERARCH ESO ISS PBLA13 START 80.9
HIERARCH ESO ISS PBLA13 END 80.9
HIERARCH ESO ISS PBL14 START 20.702
HIERARCH ESO ISS PBL14 END 20.673
HIERARCH ESO ISS PBLA14 START 130.608
HIERARCH ESO ISS PBLA14 END 130.773
HIERARCH ESO ISS PBL23 START 33.214
HIERARCH ESO ISS PBL23 END 33.198
HIERARCH ESO ISS PBLA23 START 35.3
HIERARCH ESO ISS PBLA23 END 35.4
HIERARCH ESO ISS PBL24 START 11.065
HIERARCH ESO ISS PBL24 END 11.059
HIERARCH ESO ISS PBLA24 START 35.274
HIERARCH ESO ISS PBLA24 END 35.33
HIERARCH ESO ISS PBL34 START 22.15
HIERARCH ESO ISS PBL34 END 22.139
HIERARCH ESO ISS PBLA34 START 215.334
HIERARCH ESO ISS PBLA34 END 215.389
HIERARCH ESO ISS AMBI TAU0 START 0.001947
HIERARCH ESO ISS AMBI TAU0 END 0.001774
HIERARCH ESO ISS AMBI TEMP 4.72
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.85