Exposure
ID
MATIS.2025-08-16T02:07:20.614_1
Header ID
MATIS.2025-08-16T02:07:20.614
Date updated
2025-08-16 02:15:48 UTC+0000
Release date
2026-08-16 02:15:48 UTC+0000
UTC Start
2025-08-16 02:07:20.614
UTC End
2025-08-16 02:08:20.674
MJD Start
60903.08843303
MJD End
60903.08912816889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.002551
Ambient temperature (°C)
9.37
Seeing (arcsec)
0.83
Observation
ID
68182
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
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 66.6610 66.5990 276.9000 277.0000
K0-D0 94.0770 94.0010 255.9000 256.0000
K0-J3 56.1000 56.0890 339.0770 339.2050
G2-D0 39.7950 39.7850 219.1000 219.1000
G2-J3 64.0260 64.0020 46.1140 46.1930
D0-J3 103.6350 103.6010 43.4100 43.4890
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 60903.08843303
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
DEC -22.22406
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL 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 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 66.661
HIERARCH ESO ISS PBL12 END 66.599
HIERARCH ESO ISS PBLA12 START 276.9
HIERARCH ESO ISS PBLA12 END 277.0
HIERARCH ESO ISS PBL13 START 94.077
HIERARCH ESO ISS PBL13 END 94.001
HIERARCH ESO ISS PBLA13 START 255.9
HIERARCH ESO ISS PBLA13 END 256.0
HIERARCH ESO ISS PBL14 START 56.1
HIERARCH ESO ISS PBL14 END 56.089
HIERARCH ESO ISS PBLA14 START 339.077
HIERARCH ESO ISS PBLA14 END 339.205
HIERARCH ESO ISS PBL23 START 39.795
HIERARCH ESO ISS PBL23 END 39.785
HIERARCH ESO ISS PBLA23 START 219.1
HIERARCH ESO ISS PBLA23 END 219.1
HIERARCH ESO ISS PBL24 START 64.026
HIERARCH ESO ISS PBL24 END 64.002
HIERARCH ESO ISS PBLA24 START 46.114
HIERARCH ESO ISS PBLA24 END 46.193
HIERARCH ESO ISS PBL34 START 103.635
HIERARCH ESO ISS PBL34 END 103.601
HIERARCH ESO ISS PBLA34 START 43.41
HIERARCH ESO ISS PBLA34 END 43.489
HIERARCH ESO ISS AMBI TAU0 START 0.002551
HIERARCH ESO ISS AMBI TAU0 END 0.002551
HIERARCH ESO ISS AMBI TEMP 9.37
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.83