Exposure
ID
MATIS.2025-08-16T05:06:35.069_1
Header ID
MATIS.2025-08-16T05:06:35.069
Date updated
2025-08-16 05:15:58 UTC+0000
Release date
2025-08-16 05:06:35 UTC+0000
UTC Start
2025-08-16 05:06:35.069
UTC End
2025-08-16 05:07:35.033
MJD Start
60903.21290589
MJD End
60903.21359991778
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002773
Ambient temperature (°C)
9.43
Seeing (arcsec)
1.05
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 48.3220 48.1780 307.9000 308.1000
K0-D0 62.8540 62.5810 278.1000 278.3000
K0-J3 56.2470 56.2490 2.7020 2.8500
G2-D0 31.8350 31.7650 229.2000 229.2000
G2-J3 48.6440 48.5090 56.9870 57.0080
D0-J3 80.3000 80.0960 53.9010 53.9190
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 60903.21290589
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 0.228
HIERARCH ESO DET NDIT 263
HIERARCH ESO ISS PBL12 START 48.322
HIERARCH ESO ISS PBL12 END 48.178
HIERARCH ESO ISS PBLA12 START 307.9
HIERARCH ESO ISS PBLA12 END 308.1
HIERARCH ESO ISS PBL13 START 62.854
HIERARCH ESO ISS PBL13 END 62.581
HIERARCH ESO ISS PBLA13 START 278.1
HIERARCH ESO ISS PBLA13 END 278.3
HIERARCH ESO ISS PBL14 START 56.247
HIERARCH ESO ISS PBL14 END 56.249
HIERARCH ESO ISS PBLA14 START 2.702
HIERARCH ESO ISS PBLA14 END 2.85
HIERARCH ESO ISS PBL23 START 31.835
HIERARCH ESO ISS PBL23 END 31.765
HIERARCH ESO ISS PBLA23 START 229.2
HIERARCH ESO ISS PBLA23 END 229.2
HIERARCH ESO ISS PBL24 START 48.644
HIERARCH ESO ISS PBL24 END 48.509
HIERARCH ESO ISS PBLA24 START 56.987
HIERARCH ESO ISS PBLA24 END 57.008
HIERARCH ESO ISS PBL34 START 80.3
HIERARCH ESO ISS PBL34 END 80.096
HIERARCH ESO ISS PBLA34 START 53.901
HIERARCH ESO ISS PBLA34 END 53.919
HIERARCH ESO ISS AMBI TAU0 START 0.002773
HIERARCH ESO ISS AMBI TAU0 END 0.002773
HIERARCH ESO ISS AMBI TEMP 9.43
HIERARCH ESO ISS AMBI FWHM START 1.05
HIERARCH ESO ISS AMBI FWHM END 1.05