Exposure
ID
MATIS.2025-06-27T04:05:32.374_1
Header ID
MATIS.2025-06-27T04:05:32.374
Date updated
2025-06-27 04:15:52 UTC+0000
Release date
2026-06-27 04:15:52 UTC+0000
UTC Start
2025-06-27 04:05:32.374
UTC End
2025-06-27 04:06:32.382
MJD Start
60853.17051359
MJD End
60853.17120812704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0019175
Ambient temperature (°C)
6.0
Seeing (arcsec)
0.86
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 25.2900 25.2920 140.3000 140.4000
A0-D0 31.8340 31.8470 68.7000 68.8000
A0-C1 22.5720 22.5770 113.8320 113.9220
B2-D0 33.8320 33.8360 23.5000 23.6000
B2-C1 11.2700 11.2710 23.4800 23.5930
D0-C1 22.5620 22.5650 203.5440 203.6560
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 60853.17051359
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 25.29
HIERARCH ESO ISS PBL12 END 25.292
HIERARCH ESO ISS PBLA12 START 140.3
HIERARCH ESO ISS PBLA12 END 140.4
HIERARCH ESO ISS PBL13 START 31.834
HIERARCH ESO ISS PBL13 END 31.847
HIERARCH ESO ISS PBLA13 START 68.7
HIERARCH ESO ISS PBLA13 END 68.8
HIERARCH ESO ISS PBL14 START 22.572
HIERARCH ESO ISS PBL14 END 22.577
HIERARCH ESO ISS PBLA14 START 113.832
HIERARCH ESO ISS PBLA14 END 113.922
HIERARCH ESO ISS PBL23 START 33.832
HIERARCH ESO ISS PBL23 END 33.836
HIERARCH ESO ISS PBLA23 START 23.5
HIERARCH ESO ISS PBLA23 END 23.6
HIERARCH ESO ISS PBL24 START 11.27
HIERARCH ESO ISS PBL24 END 11.271
HIERARCH ESO ISS PBLA24 START 23.48
HIERARCH ESO ISS PBLA24 END 23.593
HIERARCH ESO ISS PBL34 START 22.562
HIERARCH ESO ISS PBL34 END 22.565
HIERARCH ESO ISS PBLA34 START 203.544
HIERARCH ESO ISS PBLA34 END 203.656
HIERARCH ESO ISS AMBI TAU0 START 0.001933
HIERARCH ESO ISS AMBI TAU0 END 0.001902
HIERARCH ESO ISS AMBI TEMP 6.0
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.89