Exposure
ID
MATIS.2025-06-28T05:07:31.530_1
Header ID
MATIS.2025-06-28T05:07:31.530
Date updated
2025-06-28 05:16:21 UTC+0000
Release date
2026-06-28 05:16:21 UTC+0000
UTC Start
2025-06-28 05:07:31.530
UTC End
2025-06-28 05:08:31.538
MJD Start
60854.21355938
MJD End
60854.21425391704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.001985
Ambient temperature (°C)
4.74
Seeing (arcsec)
0.755
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 25.0770 25.0700 147.2000 147.4000
A0-D0 31.6420 31.6230 74.9000 75.0000
A0-C1 22.2980 22.2840 120.4760 120.5930
B2-D0 33.9030 33.9000 30.0000 30.1000
B2-C1 11.2930 11.2920 30.0070 30.0940
D0-C1 22.6090 22.6070 210.0700 210.1570
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 60854.21355938
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 25.077
HIERARCH ESO ISS PBL12 END 25.07
HIERARCH ESO ISS PBLA12 START 147.2
HIERARCH ESO ISS PBLA12 END 147.4
HIERARCH ESO ISS PBL13 START 31.642
HIERARCH ESO ISS PBL13 END 31.623
HIERARCH ESO ISS PBLA13 START 74.9
HIERARCH ESO ISS PBLA13 END 75.0
HIERARCH ESO ISS PBL14 START 22.298
HIERARCH ESO ISS PBL14 END 22.284
HIERARCH ESO ISS PBLA14 START 120.476
HIERARCH ESO ISS PBLA14 END 120.593
HIERARCH ESO ISS PBL23 START 33.903
HIERARCH ESO ISS PBL23 END 33.9
HIERARCH ESO ISS PBLA23 START 30.0
HIERARCH ESO ISS PBLA23 END 30.1
HIERARCH ESO ISS PBL24 START 11.293
HIERARCH ESO ISS PBL24 END 11.292
HIERARCH ESO ISS PBLA24 START 30.007
HIERARCH ESO ISS PBLA24 END 30.094
HIERARCH ESO ISS PBL34 START 22.609
HIERARCH ESO ISS PBL34 END 22.607
HIERARCH ESO ISS PBLA34 START 210.07
HIERARCH ESO ISS PBLA34 END 210.157
HIERARCH ESO ISS AMBI TAU0 START 0.002097
HIERARCH ESO ISS AMBI TAU0 END 0.001873
HIERARCH ESO ISS AMBI TEMP 4.74
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.81