Exposure
ID
MATIS.2025-06-28T05:13:39.820_1
Header ID
MATIS.2025-06-28T05:13:39.820
Date updated
2025-06-28 05:21:15 UTC+0000
Release date
2026-06-28 05:21:15 UTC+0000
UTC Start
2025-06-28 05:13:39.820
UTC End
2025-06-28 05:14:39.828
MJD Start
60854.21782199
MJD End
60854.21851652704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0017105
Ambient temperature (°C)
4.72
Seeing (arcsec)
0.8
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 25.0310 25.0230 148.0000 148.1000
A0-D0 31.5180 31.4950 75.4000 75.5000
A0-C1 22.2110 22.1960 121.1900 121.3130
B2-D0 33.8820 33.8780 30.6000 30.7000
B2-C1 11.2860 11.2850 30.5280 30.6140
D0-C1 22.5950 22.5930 210.5900 210.6770
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 60854.21782199
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 25.031
HIERARCH ESO ISS PBL12 END 25.023
HIERARCH ESO ISS PBLA12 START 148.0
HIERARCH ESO ISS PBLA12 END 148.1
HIERARCH ESO ISS PBL13 START 31.518
HIERARCH ESO ISS PBL13 END 31.495
HIERARCH ESO ISS PBLA13 START 75.4
HIERARCH ESO ISS PBLA13 END 75.5
HIERARCH ESO ISS PBL14 START 22.211
HIERARCH ESO ISS PBL14 END 22.196
HIERARCH ESO ISS PBLA14 START 121.19
HIERARCH ESO ISS PBLA14 END 121.313
HIERARCH ESO ISS PBL23 START 33.882
HIERARCH ESO ISS PBL23 END 33.878
HIERARCH ESO ISS PBLA23 START 30.6
HIERARCH ESO ISS PBLA23 END 30.7
HIERARCH ESO ISS PBL24 START 11.286
HIERARCH ESO ISS PBL24 END 11.285
HIERARCH ESO ISS PBLA24 START 30.528
HIERARCH ESO ISS PBLA24 END 30.614
HIERARCH ESO ISS PBL34 START 22.595
HIERARCH ESO ISS PBL34 END 22.593
HIERARCH ESO ISS PBLA34 START 210.59
HIERARCH ESO ISS PBLA34 END 210.677
HIERARCH ESO ISS AMBI TAU0 START 0.001624
HIERARCH ESO ISS AMBI TAU0 END 0.001797
HIERARCH ESO ISS AMBI TEMP 4.72
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.76