Exposure
ID
MATIS.2025-06-21T06:50:10.373_1
Header ID
MATIS.2025-06-21T06:50:10.373
Date updated
2025-06-21 07:00:43 UTC+0000
Release date
2026-06-21 07:00:43 UTC+0000
UTC Start
2025-06-21 06:50:10.373
UTC End
2025-06-21 06:51:10.381
MJD Start
60847.28484228
MJD End
60847.28553681704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003253
Ambient temperature (°C)
12.18
Seeing (arcsec)
0.43
Observation
ID
68183
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
50684
Name
V VX Sgr
RA
272.016859
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 60.8700 60.7460 283.8000 284.0000
K0-D0 86.5130 86.3430 260.9000 261.0000
K0-J3 55.4180 55.4080 347.3750 347.5190
G2-D0 38.5910 38.5610 223.0000 223.1000
G2-J3 61.4070 61.3440 49.9350 49.9830
D0-J3 99.8240 99.7320 47.2620 47.3100
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 60847.28484228
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 60.87
HIERARCH ESO ISS PBL12 END 60.746
HIERARCH ESO ISS PBLA12 START 283.8
HIERARCH ESO ISS PBLA12 END 284.0
HIERARCH ESO ISS PBL13 START 86.513
HIERARCH ESO ISS PBL13 END 86.343
HIERARCH ESO ISS PBLA13 START 260.9
HIERARCH ESO ISS PBLA13 END 261.0
HIERARCH ESO ISS PBL14 START 55.418
HIERARCH ESO ISS PBL14 END 55.408
HIERARCH ESO ISS PBLA14 START 347.375
HIERARCH ESO ISS PBLA14 END 347.519
HIERARCH ESO ISS PBL23 START 38.591
HIERARCH ESO ISS PBL23 END 38.561
HIERARCH ESO ISS PBLA23 START 223.0
HIERARCH ESO ISS PBLA23 END 223.1
HIERARCH ESO ISS PBL24 START 61.407
HIERARCH ESO ISS PBL24 END 61.344
HIERARCH ESO ISS PBLA24 START 49.935
HIERARCH ESO ISS PBLA24 END 49.983
HIERARCH ESO ISS PBL34 START 99.824
HIERARCH ESO ISS PBL34 END 99.732
HIERARCH ESO ISS PBLA34 START 47.262
HIERARCH ESO ISS PBLA34 END 47.31
HIERARCH ESO ISS AMBI TAU0 START 0.003331
HIERARCH ESO ISS AMBI TAU0 END 0.003175
HIERARCH ESO ISS AMBI TEMP 12.18
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.44