Exposure
ID
MATIS.2025-06-27T03:59:26.392_1
Header ID
MATIS.2025-06-27T03:59:26.392
Date updated
2025-06-27 04:10:39 UTC+0000
Release date
2026-06-27 04:10:39 UTC+0000
UTC Start
2025-06-27 03:59:26.392
UTC End
2025-06-27 04:00:26.400
MJD Start
60853.16627768
MJD End
60853.16697221704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.001805
Ambient temperature (°C)
5.96
Seeing (arcsec)
0.895
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 25.2770 25.2790 139.8000 139.8000
A0-D0 31.7500 31.7650 68.1000 68.2000
A0-C1 22.5310 22.5390 113.3000 113.3880
B2-D0 33.8040 33.8090 22.8000 23.0000
B2-C1 11.2610 11.2620 22.7950 22.9100
D0-C1 22.5440 22.5470 202.8590 202.9740
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 60853.16627768
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 25.277
HIERARCH ESO ISS PBL12 END 25.279
HIERARCH ESO ISS PBLA12 START 139.8
HIERARCH ESO ISS PBLA12 END 139.8
HIERARCH ESO ISS PBL13 START 31.75
HIERARCH ESO ISS PBL13 END 31.765
HIERARCH ESO ISS PBLA13 START 68.1
HIERARCH ESO ISS PBLA13 END 68.2
HIERARCH ESO ISS PBL14 START 22.531
HIERARCH ESO ISS PBL14 END 22.539
HIERARCH ESO ISS PBLA14 START 113.3
HIERARCH ESO ISS PBLA14 END 113.388
HIERARCH ESO ISS PBL23 START 33.804
HIERARCH ESO ISS PBL23 END 33.809
HIERARCH ESO ISS PBLA23 START 22.8
HIERARCH ESO ISS PBLA23 END 23.0
HIERARCH ESO ISS PBL24 START 11.261
HIERARCH ESO ISS PBL24 END 11.262
HIERARCH ESO ISS PBLA24 START 22.795
HIERARCH ESO ISS PBLA24 END 22.91
HIERARCH ESO ISS PBL34 START 22.544
HIERARCH ESO ISS PBL34 END 22.547
HIERARCH ESO ISS PBLA34 START 202.859
HIERARCH ESO ISS PBLA34 END 202.974
HIERARCH ESO ISS AMBI TAU0 START 0.001805
HIERARCH ESO ISS AMBI TAU0 END 0.001805
HIERARCH ESO ISS AMBI TEMP 5.96
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.9