Exposure
ID
MATIS.2025-08-16T02:22:40.304_1
Header ID
MATIS.2025-08-16T02:22:40.304
Date updated
2025-08-16 02:30:42 UTC+0000
Release date
2025-08-16 02:22:40 UTC+0000
UTC Start
2025-08-16 02:22:40.304
UTC End
2025-08-16 02:23:40.364
MJD Start
60903.09907759
MJD End
60903.099772728885
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.001555
Ambient temperature (°C)
9.3
Seeing (arcsec)
1.42
Observation
ID
70031
Category
calibrator
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
51957
Name
del Sgr
RA
275.248726
DEC
-29.82826
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 66.7950 66.7390 278.9000 279.0000
K0-D0 93.2610 93.1740 257.8000 257.9000
K0-J3 56.5620 56.5610 339.5540 339.6760
G2-D0 39.1400 39.1200 220.0000 220.1000
G2-J3 62.9530 62.9130 47.2680 47.3540
D0-J3 101.8990 101.8380 44.4810 44.5670
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.005
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60903.09907759
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.248726
DEC -29.82826
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 66.795
HIERARCH ESO ISS PBL12 END 66.739
HIERARCH ESO ISS PBLA12 START 278.9
HIERARCH ESO ISS PBLA12 END 279.0
HIERARCH ESO ISS PBL13 START 93.261
HIERARCH ESO ISS PBL13 END 93.174
HIERARCH ESO ISS PBLA13 START 257.8
HIERARCH ESO ISS PBLA13 END 257.9
HIERARCH ESO ISS PBL14 START 56.562
HIERARCH ESO ISS PBL14 END 56.561
HIERARCH ESO ISS PBLA14 START 339.554
HIERARCH ESO ISS PBLA14 END 339.676
HIERARCH ESO ISS PBL23 START 39.14
HIERARCH ESO ISS PBL23 END 39.12
HIERARCH ESO ISS PBLA23 START 220.0
HIERARCH ESO ISS PBLA23 END 220.1
HIERARCH ESO ISS PBL24 START 62.953
HIERARCH ESO ISS PBL24 END 62.913
HIERARCH ESO ISS PBLA24 START 47.268
HIERARCH ESO ISS PBLA24 END 47.354
HIERARCH ESO ISS PBL34 START 101.899
HIERARCH ESO ISS PBL34 END 101.838
HIERARCH ESO ISS PBLA34 START 44.481
HIERARCH ESO ISS PBLA34 END 44.567
HIERARCH ESO ISS AMBI TAU0 START 0.001555
HIERARCH ESO ISS AMBI TAU0 END 0.001555
HIERARCH ESO ISS AMBI TEMP 9.3
HIERARCH ESO ISS AMBI FWHM START 1.42
HIERARCH ESO ISS AMBI FWHM END 1.42