Exposure
ID
MATIS.2025-06-27T01:54:53.148_1
Header ID
MATIS.2025-06-27T01:54:53.148
Date updated
2025-06-27 02:00:53 UTC+0000
Release date
2026-06-27 02:00:53 UTC+0000
UTC Start
2025-06-27 01:54:53.148
UTC End
2025-06-27 01:55:53.156
MJD Start
60853.0797818
MJD End
60853.08047633704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002423
Ambient temperature (°C)
6.33
Seeing (arcsec)
0.605
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 23.3480 23.3780 132.4000 132.4000
A0-D0 27.0820 27.1360 50.6000 50.8000
A0-C1 19.0700 19.1190 104.5050 104.5640
B2-D0 33.1370 33.1400 6.4000 6.5000
B2-C1 11.0390 11.0400 6.3590 6.5070
D0-C1 22.0980 22.1000 186.4130 186.5610
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 60853.0797818
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 23.348
HIERARCH ESO ISS PBL12 END 23.378
HIERARCH ESO ISS PBLA12 START 132.4
HIERARCH ESO ISS PBLA12 END 132.4
HIERARCH ESO ISS PBL13 START 27.082
HIERARCH ESO ISS PBL13 END 27.136
HIERARCH ESO ISS PBLA13 START 50.6
HIERARCH ESO ISS PBLA13 END 50.8
HIERARCH ESO ISS PBL14 START 19.07
HIERARCH ESO ISS PBL14 END 19.119
HIERARCH ESO ISS PBLA14 START 104.505
HIERARCH ESO ISS PBLA14 END 104.564
HIERARCH ESO ISS PBL23 START 33.137
HIERARCH ESO ISS PBL23 END 33.14
HIERARCH ESO ISS PBLA23 START 6.4
HIERARCH ESO ISS PBLA23 END 6.5
HIERARCH ESO ISS PBL24 START 11.039
HIERARCH ESO ISS PBL24 END 11.04
HIERARCH ESO ISS PBLA24 START 6.359
HIERARCH ESO ISS PBLA24 END 6.507
HIERARCH ESO ISS PBL34 START 22.098
HIERARCH ESO ISS PBL34 END 22.1
HIERARCH ESO ISS PBLA34 START 186.413
HIERARCH ESO ISS PBLA34 END 186.561
HIERARCH ESO ISS AMBI TAU0 START 0.002645
HIERARCH ESO ISS AMBI TAU0 END 0.002201
HIERARCH ESO ISS AMBI TEMP 6.33
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.63