Exposure
ID
MATIS.2025-07-16T04:27:33.202_1
Header ID
MATIS.2025-07-16T04:27:33.202
Date updated
2025-07-16 04:35:49 UTC+0000
Release date
2026-07-16 04:35:49 UTC+0000
UTC Start
2025-07-16 04:27:33.202
UTC End
2025-07-16 04:28:33.210
MJD Start
60872.18580095
MJD End
60872.18649548704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003388
Ambient temperature (°C)
12.25
Seeing (arcsec)
0.835
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 87.1030 87.0190 124.3000 124.4000
A0-J2 123.5990 123.4450 100.1000 100.2000
A0-K0 123.2900 123.1510 77.4260 77.5080
G1-J2 56.7220 56.6740 61.2000 61.2000
G1-K0 89.9580 89.9360 32.5020 32.5770
J2-K0 48.5290 48.5290 358.4030 358.5160
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 60872.18580095
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 87.103
HIERARCH ESO ISS PBL12 END 87.019
HIERARCH ESO ISS PBLA12 START 124.3
HIERARCH ESO ISS PBLA12 END 124.4
HIERARCH ESO ISS PBL13 START 123.599
HIERARCH ESO ISS PBL13 END 123.445
HIERARCH ESO ISS PBLA13 START 100.1
HIERARCH ESO ISS PBLA13 END 100.2
HIERARCH ESO ISS PBL14 START 123.29
HIERARCH ESO ISS PBL14 END 123.151
HIERARCH ESO ISS PBLA14 START 77.426
HIERARCH ESO ISS PBLA14 END 77.508
HIERARCH ESO ISS PBL23 START 56.722
HIERARCH ESO ISS PBL23 END 56.674
HIERARCH ESO ISS PBLA23 START 61.2
HIERARCH ESO ISS PBLA23 END 61.2
HIERARCH ESO ISS PBL24 START 89.958
HIERARCH ESO ISS PBL24 END 89.936
HIERARCH ESO ISS PBLA24 START 32.502
HIERARCH ESO ISS PBLA24 END 32.577
HIERARCH ESO ISS PBL34 START 48.529
HIERARCH ESO ISS PBL34 END 48.529
HIERARCH ESO ISS PBLA34 START 358.403
HIERARCH ESO ISS PBLA34 END 358.516
HIERARCH ESO ISS AMBI TAU0 START 0.003379
HIERARCH ESO ISS AMBI TAU0 END 0.003397
HIERARCH ESO ISS AMBI TEMP 12.25
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.86