Exposure
ID
MATIS.2025-06-18T04:05:50.539_1
Header ID
MATIS.2025-06-18T04:05:50.539
Date updated
2025-06-18 04:12:22 UTC+0000
Release date
2026-06-18 04:12:22 UTC+0000
UTC Start
2025-06-18 04:05:50.539
UTC End
2025-06-18 04:06:50.547
MJD Start
60844.17072383
MJD End
60844.17141836704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0033555
Ambient temperature (°C)
6.77
Seeing (arcsec)
0.7
Observation
ID
68120
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 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.7170 88.7850 110.9000 111.0000
A0-J2 125.6810 125.8030 87.2000 87.3000
A0-K0 124.5060 124.6150 64.8210 64.9410
G1-J2 56.9400 56.9770 48.5000 48.7000
G1-K0 89.7240 89.7390 19.3980 19.5240
J2-K0 48.6470 48.6480 344.6730 344.7680
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 60844.17072383
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 88.717
HIERARCH ESO ISS PBL12 END 88.785
HIERARCH ESO ISS PBLA12 START 110.9
HIERARCH ESO ISS PBLA12 END 111.0
HIERARCH ESO ISS PBL13 START 125.681
HIERARCH ESO ISS PBL13 END 125.803
HIERARCH ESO ISS PBLA13 START 87.2
HIERARCH ESO ISS PBLA13 END 87.3
HIERARCH ESO ISS PBL14 START 124.506
HIERARCH ESO ISS PBL14 END 124.615
HIERARCH ESO ISS PBLA14 START 64.821
HIERARCH ESO ISS PBLA14 END 64.941
HIERARCH ESO ISS PBL23 START 56.94
HIERARCH ESO ISS PBL23 END 56.977
HIERARCH ESO ISS PBLA23 START 48.5
HIERARCH ESO ISS PBLA23 END 48.7
HIERARCH ESO ISS PBL24 START 89.724
HIERARCH ESO ISS PBL24 END 89.739
HIERARCH ESO ISS PBLA24 START 19.398
HIERARCH ESO ISS PBLA24 END 19.524
HIERARCH ESO ISS PBL34 START 48.647
HIERARCH ESO ISS PBL34 END 48.648
HIERARCH ESO ISS PBLA34 START 344.673
HIERARCH ESO ISS PBLA34 END 344.768
HIERARCH ESO ISS AMBI TAU0 START 0.003325
HIERARCH ESO ISS AMBI TAU0 END 0.003386
HIERARCH ESO ISS AMBI TEMP 6.77
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.69