Exposure
ID
MATIS.2025-06-18T04:02:11.083_1
Header ID
MATIS.2025-06-18T04:02:11.083
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 04:02:11.083
UTC End
2025-06-18 04:03:11.091
MJD Start
60844.16818383
MJD End
60844.16887836704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003065
Ambient temperature (°C)
6.76
Seeing (arcsec)
0.7150000000000001
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 88.4610 88.5340 110.6000 110.7000
A0-J2 125.2230 125.3530 86.9000 87.0000
A0-K0 124.0990 124.2150 64.3860 64.5080
G1-J2 56.8020 56.8410 48.1000 48.2000
G1-K0 89.6660 89.6820 18.9460 19.0720
J2-K0 48.6450 48.6450 344.3370 344.4300
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 60844.16818383
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 88.461
HIERARCH ESO ISS PBL12 END 88.534
HIERARCH ESO ISS PBLA12 START 110.6
HIERARCH ESO ISS PBLA12 END 110.7
HIERARCH ESO ISS PBL13 START 125.223
HIERARCH ESO ISS PBL13 END 125.353
HIERARCH ESO ISS PBLA13 START 86.9
HIERARCH ESO ISS PBLA13 END 87.0
HIERARCH ESO ISS PBL14 START 124.099
HIERARCH ESO ISS PBL14 END 124.215
HIERARCH ESO ISS PBLA14 START 64.386
HIERARCH ESO ISS PBLA14 END 64.508
HIERARCH ESO ISS PBL23 START 56.802
HIERARCH ESO ISS PBL23 END 56.841
HIERARCH ESO ISS PBLA23 START 48.1
HIERARCH ESO ISS PBLA23 END 48.2
HIERARCH ESO ISS PBL24 START 89.666
HIERARCH ESO ISS PBL24 END 89.682
HIERARCH ESO ISS PBLA24 START 18.946
HIERARCH ESO ISS PBLA24 END 19.072
HIERARCH ESO ISS PBL34 START 48.645
HIERARCH ESO ISS PBL34 END 48.645
HIERARCH ESO ISS PBLA34 START 344.337
HIERARCH ESO ISS PBLA34 END 344.43
HIERARCH ESO ISS AMBI TAU0 START 0.003065
HIERARCH ESO ISS AMBI TAU0 END 0.003065
HIERARCH ESO ISS AMBI TEMP 6.76
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.76