Exposure
ID
MATIS.2025-08-16T02:26:18.405_1
Header ID
MATIS.2025-08-16T02:26:18.405
Date updated
2025-08-16 02:35:50 UTC+0000
Release date
2025-08-16 02:26:18 UTC+0000
UTC Start
2025-08-16 02:26:18.405
UTC End
2025-08-16 02:27:18.465
MJD Start
60903.10160191
MJD End
60903.102297048885
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.001555
Ambient temperature (°C)
9.33
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 66.5910 66.5320 279.3000 279.5000
K0-D0 92.9460 92.8550 258.2000 258.3000
K0-J3 56.5590 56.5580 340.0140 340.1370
G2-D0 39.0660 39.0440 220.3000 220.4000
G2-J3 62.8070 62.7640 47.5980 47.6840
D0-J3 101.6780 101.6150 44.8080 44.8930
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 60903.10160191
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 66.591
HIERARCH ESO ISS PBL12 END 66.532
HIERARCH ESO ISS PBLA12 START 279.3
HIERARCH ESO ISS PBLA12 END 279.5
HIERARCH ESO ISS PBL13 START 92.946
HIERARCH ESO ISS PBL13 END 92.855
HIERARCH ESO ISS PBLA13 START 258.2
HIERARCH ESO ISS PBLA13 END 258.3
HIERARCH ESO ISS PBL14 START 56.559
HIERARCH ESO ISS PBL14 END 56.558
HIERARCH ESO ISS PBLA14 START 340.014
HIERARCH ESO ISS PBLA14 END 340.137
HIERARCH ESO ISS PBL23 START 39.066
HIERARCH ESO ISS PBL23 END 39.044
HIERARCH ESO ISS PBLA23 START 220.3
HIERARCH ESO ISS PBLA23 END 220.4
HIERARCH ESO ISS PBL24 START 62.807
HIERARCH ESO ISS PBL24 END 62.764
HIERARCH ESO ISS PBLA24 START 47.598
HIERARCH ESO ISS PBLA24 END 47.684
HIERARCH ESO ISS PBL34 START 101.678
HIERARCH ESO ISS PBL34 END 101.615
HIERARCH ESO ISS PBLA34 START 44.808
HIERARCH ESO ISS PBLA34 END 44.893
HIERARCH ESO ISS AMBI TAU0 START 0.001555
HIERARCH ESO ISS AMBI TAU0 END 0.001555
HIERARCH ESO ISS AMBI TEMP 9.33
HIERARCH ESO ISS AMBI FWHM START 1.42
HIERARCH ESO ISS AMBI FWHM END 1.42