Exposure
ID
MATIS.2025-07-25T05:38:30.979_1
Header ID
MATIS.2025-07-25T05:38:30.979
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 05:38:30.979
UTC End
2025-07-25 05:39:31.039
MJD Start
60881.23508077
MJD End
60881.235775908885
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0029765
Ambient temperature (°C)
12.47
Seeing (arcsec)
0.585
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 23.7770 23.7700 168.0000 168.1000
A0-D0 24.5350 24.4500 85.7000 85.8000
A0-C1 18.7870 18.7560 142.4460 142.6680
B2-D0 31.7760 31.7460 37.9000 37.9000
B2-C1 10.5870 10.5760 37.8520 37.8780
D0-C1 21.1900 21.1690 217.9070 217.9330
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 60881.23508077
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 23.777
HIERARCH ESO ISS PBL12 END 23.77
HIERARCH ESO ISS PBLA12 START 168.0
HIERARCH ESO ISS PBLA12 END 168.1
HIERARCH ESO ISS PBL13 START 24.535
HIERARCH ESO ISS PBL13 END 24.45
HIERARCH ESO ISS PBLA13 START 85.7
HIERARCH ESO ISS PBLA13 END 85.8
HIERARCH ESO ISS PBL14 START 18.787
HIERARCH ESO ISS PBL14 END 18.756
HIERARCH ESO ISS PBLA14 START 142.446
HIERARCH ESO ISS PBLA14 END 142.668
HIERARCH ESO ISS PBL23 START 31.776
HIERARCH ESO ISS PBL23 END 31.746
HIERARCH ESO ISS PBLA23 START 37.9
HIERARCH ESO ISS PBLA23 END 37.9
HIERARCH ESO ISS PBL24 START 10.587
HIERARCH ESO ISS PBL24 END 10.576
HIERARCH ESO ISS PBLA24 START 37.852
HIERARCH ESO ISS PBLA24 END 37.878
HIERARCH ESO ISS PBL34 START 21.19
HIERARCH ESO ISS PBL34 END 21.169
HIERARCH ESO ISS PBLA34 START 217.907
HIERARCH ESO ISS PBLA34 END 217.933
HIERARCH ESO ISS AMBI TAU0 START 0.003071
HIERARCH ESO ISS AMBI TAU0 END 0.002882
HIERARCH ESO ISS AMBI TEMP 12.47
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.59