Exposure
ID
MATIS.2025-07-25T05:34:54.371_1
Header ID
MATIS.2025-07-25T05:34:54.371
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 05:34:54.371
UTC End
2025-07-25 05:35:54.431
MJD Start
60881.23257374
MJD End
60881.23326887889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0030299999999999997
Ambient temperature (°C)
12.42
Seeing (arcsec)
0.6000000000000001
Observation
ID
68241
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
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 23.8040 23.7960 167.3000 167.5000
A0-D0 24.8310 24.7480 85.5000 85.5000
A0-C1 18.9000 18.8680 141.6680 141.8860
B2-D0 31.8810 31.8520 37.8000 37.8000
B2-C1 10.6220 10.6120 37.7550 37.7830
D0-C1 21.2600 21.2400 217.8100 217.8370
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 60881.23257374
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.015659
DEC -22.22406
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL 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 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 23.804
HIERARCH ESO ISS PBL12 END 23.796
HIERARCH ESO ISS PBLA12 START 167.3
HIERARCH ESO ISS PBLA12 END 167.5
HIERARCH ESO ISS PBL13 START 24.831
HIERARCH ESO ISS PBL13 END 24.748
HIERARCH ESO ISS PBLA13 START 85.5
HIERARCH ESO ISS PBLA13 END 85.5
HIERARCH ESO ISS PBL14 START 18.9
HIERARCH ESO ISS PBL14 END 18.868
HIERARCH ESO ISS PBLA14 START 141.668
HIERARCH ESO ISS PBLA14 END 141.886
HIERARCH ESO ISS PBL23 START 31.881
HIERARCH ESO ISS PBL23 END 31.852
HIERARCH ESO ISS PBLA23 START 37.8
HIERARCH ESO ISS PBLA23 END 37.8
HIERARCH ESO ISS PBL24 START 10.622
HIERARCH ESO ISS PBL24 END 10.612
HIERARCH ESO ISS PBLA24 START 37.755
HIERARCH ESO ISS PBLA24 END 37.783
HIERARCH ESO ISS PBL34 START 21.26
HIERARCH ESO ISS PBL34 END 21.24
HIERARCH ESO ISS PBLA34 START 217.81
HIERARCH ESO ISS PBLA34 END 217.837
HIERARCH ESO ISS AMBI TAU0 START 0.003116
HIERARCH ESO ISS AMBI TAU0 END 0.002944
HIERARCH ESO ISS AMBI TEMP 12.42
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.64