Exposure
ID
MATIS.2025-07-25T05:36:06.881_1
Header ID
MATIS.2025-07-25T05:36:06.881
Date updated
2025-07-25 05:45:48 UTC+0000
Release date
2026-07-25 05:45:48 UTC+0000
UTC Start
2025-07-25 05:36:06.881
UTC End
2025-07-25 05:37:06.889
MJD Start
60881.23341298
MJD End
60881.23410751704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002944
Ambient temperature (°C)
12.47
Seeing (arcsec)
0.565
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 23.7950 23.7870 167.5000 167.7000
A0-D0 24.7330 24.6480 85.5000 85.6000
A0-C1 18.8620 18.8300 141.9260 142.1490
B2-D0 31.8470 31.8160 37.8000 37.9000
B2-C1 10.6100 10.6000 37.7880 37.8160
D0-C1 21.2370 21.2160 217.8430 217.8710
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 60881.23341298
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 23.795
HIERARCH ESO ISS PBL12 END 23.787
HIERARCH ESO ISS PBLA12 START 167.5
HIERARCH ESO ISS PBLA12 END 167.7
HIERARCH ESO ISS PBL13 START 24.733
HIERARCH ESO ISS PBL13 END 24.648
HIERARCH ESO ISS PBLA13 START 85.5
HIERARCH ESO ISS PBLA13 END 85.6
HIERARCH ESO ISS PBL14 START 18.862
HIERARCH ESO ISS PBL14 END 18.83
HIERARCH ESO ISS PBLA14 START 141.926
HIERARCH ESO ISS PBLA14 END 142.149
HIERARCH ESO ISS PBL23 START 31.847
HIERARCH ESO ISS PBL23 END 31.816
HIERARCH ESO ISS PBLA23 START 37.8
HIERARCH ESO ISS PBLA23 END 37.9
HIERARCH ESO ISS PBL24 START 10.61
HIERARCH ESO ISS PBL24 END 10.6
HIERARCH ESO ISS PBLA24 START 37.788
HIERARCH ESO ISS PBLA24 END 37.816
HIERARCH ESO ISS PBL34 START 21.237
HIERARCH ESO ISS PBL34 END 21.216
HIERARCH ESO ISS PBLA34 START 217.843
HIERARCH ESO ISS PBLA34 END 217.871
HIERARCH ESO ISS AMBI TAU0 START 0.002944
HIERARCH ESO ISS AMBI TAU0 END 0.002944
HIERARCH ESO ISS AMBI TEMP 12.47
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.49