Exposure
ID
MATIS.2025-06-27T05:06:59.783_1
Header ID
MATIS.2025-06-27T05:06:59.783
Date updated
2025-06-27 05:15:53 UTC+0000
Release date
2026-06-27 05:15:53 UTC+0000
UTC Start
2025-06-27 05:06:59.783
UTC End
2025-06-27 05:07:59.843
MJD Start
60853.21319193
MJD End
60853.21388706889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.001962
Ambient temperature (°C)
5.93
Seeing (arcsec)
0.81
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 25.1090 25.1020 146.7000 146.8000
A0-D0 31.7210 31.7040 74.5000 74.6000
A0-C1 22.3550 22.3420 119.9670 120.0820
B2-D0 33.9140 33.9120 29.7000 29.7000
B2-C1 11.2970 11.2960 29.6180 29.7070
D0-C1 22.6170 22.6160 209.6810 209.7700
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 60853.21319193
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 25.109
HIERARCH ESO ISS PBL12 END 25.102
HIERARCH ESO ISS PBLA12 START 146.7
HIERARCH ESO ISS PBLA12 END 146.8
HIERARCH ESO ISS PBL13 START 31.721
HIERARCH ESO ISS PBL13 END 31.704
HIERARCH ESO ISS PBLA13 START 74.5
HIERARCH ESO ISS PBLA13 END 74.6
HIERARCH ESO ISS PBL14 START 22.355
HIERARCH ESO ISS PBL14 END 22.342
HIERARCH ESO ISS PBLA14 START 119.967
HIERARCH ESO ISS PBLA14 END 120.082
HIERARCH ESO ISS PBL23 START 33.914
HIERARCH ESO ISS PBL23 END 33.912
HIERARCH ESO ISS PBLA23 START 29.7
HIERARCH ESO ISS PBLA23 END 29.7
HIERARCH ESO ISS PBL24 START 11.297
HIERARCH ESO ISS PBL24 END 11.296
HIERARCH ESO ISS PBLA24 START 29.618
HIERARCH ESO ISS PBLA24 END 29.707
HIERARCH ESO ISS PBL34 START 22.617
HIERARCH ESO ISS PBL34 END 22.616
HIERARCH ESO ISS PBLA34 START 209.681
HIERARCH ESO ISS PBLA34 END 209.77
HIERARCH ESO ISS AMBI TAU0 START 0.002019
HIERARCH ESO ISS AMBI TAU0 END 0.001905
HIERARCH ESO ISS AMBI TEMP 5.93
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.84