Exposure
ID
MATIS.2025-07-25T05:38:31.652_1
Header ID
MATIS.2025-07-25T05:38:31.652
Date updated
2025-07-25 05:45:48 UTC+0000
Release date
2026-07-25 05:45:48 UTC+0000
UTC Start
2025-07-25 05:38:31.652
UTC End
2025-07-25 05:39:31.660
MJD Start
60881.23508856
MJD End
60881.23578309704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0029765
Ambient temperature (°C)
12.47
Seeing (arcsec)
0.585
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 23.7770 23.7700 168.0000 168.2000
A0-D0 24.5330 24.4490 85.7000 85.8000
A0-C1 18.7870 18.7550 142.4490 142.6720
B2-D0 31.7760 31.7450 37.9000 37.9000
B2-C1 10.5860 10.5760 37.8520 37.8790
D0-C1 21.1890 21.1690 217.9070 217.9340
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 60881.23508856
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 23.777
HIERARCH ESO ISS PBL12 END 23.77
HIERARCH ESO ISS PBLA12 START 168.0
HIERARCH ESO ISS PBLA12 END 168.2
HIERARCH ESO ISS PBL13 START 24.533
HIERARCH ESO ISS PBL13 END 24.449
HIERARCH ESO ISS PBLA13 START 85.7
HIERARCH ESO ISS PBLA13 END 85.8
HIERARCH ESO ISS PBL14 START 18.787
HIERARCH ESO ISS PBL14 END 18.755
HIERARCH ESO ISS PBLA14 START 142.449
HIERARCH ESO ISS PBLA14 END 142.672
HIERARCH ESO ISS PBL23 START 31.776
HIERARCH ESO ISS PBL23 END 31.745
HIERARCH ESO ISS PBLA23 START 37.9
HIERARCH ESO ISS PBLA23 END 37.9
HIERARCH ESO ISS PBL24 START 10.586
HIERARCH ESO ISS PBL24 END 10.576
HIERARCH ESO ISS PBLA24 START 37.852
HIERARCH ESO ISS PBLA24 END 37.879
HIERARCH ESO ISS PBL34 START 21.189
HIERARCH ESO ISS PBL34 END 21.169
HIERARCH ESO ISS PBLA34 START 217.907
HIERARCH ESO ISS PBLA34 END 217.934
HIERARCH ESO ISS AMBI TAU0 START 0.003071
HIERARCH ESO ISS AMBI TAU0 END 0.002882
HIERARCH ESO ISS AMBI TEMP 12.47
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.59