Exposure
ID
MATIS.2025-09-22T01:33:40.718_1
Header ID
MATIS.2025-09-22T01:33:40.718
Date updated
2025-09-22 01:45:57 UTC+0000
Release date
2025-09-22 01:33:40 UTC+0000
UTC Start
2025-09-22 01:33:40.718
UTC End
2025-09-22 01:34:40.682
MJD Start
60940.06505461
MJD End
60940.065748637775
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0034029999999999998
Ambient temperature (°C)
12.16
Seeing (arcsec)
0.645
Observation
ID
70485
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
52267
Name
del Sgr
RA
275.247447
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 82.4910 82.3980 139.7000 139.9000
A0-J2 109.4770 109.2360 114.9000 115.0000
A0-K0 105.5050 105.2250 88.8660 88.9890
G1-J2 49.0140 48.9000 69.8000 69.9000
G1-K0 83.3560 83.2710 38.7350 38.7890
J2-K0 48.5040 48.5020 7.2860 7.3950
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 60940.06505461
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247447
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.228
HIERARCH ESO DET NDIT 263
HIERARCH ESO ISS PBL12 START 82.491
HIERARCH ESO ISS PBL12 END 82.398
HIERARCH ESO ISS PBLA12 START 139.7
HIERARCH ESO ISS PBLA12 END 139.9
HIERARCH ESO ISS PBL13 START 109.477
HIERARCH ESO ISS PBL13 END 109.236
HIERARCH ESO ISS PBLA13 START 114.9
HIERARCH ESO ISS PBLA13 END 115.0
HIERARCH ESO ISS PBL14 START 105.505
HIERARCH ESO ISS PBL14 END 105.225
HIERARCH ESO ISS PBLA14 START 88.866
HIERARCH ESO ISS PBLA14 END 88.989
HIERARCH ESO ISS PBL23 START 49.014
HIERARCH ESO ISS PBL23 END 48.9
HIERARCH ESO ISS PBLA23 START 69.8
HIERARCH ESO ISS PBLA23 END 69.9
HIERARCH ESO ISS PBL24 START 83.356
HIERARCH ESO ISS PBL24 END 83.271
HIERARCH ESO ISS PBLA24 START 38.735
HIERARCH ESO ISS PBLA24 END 38.789
HIERARCH ESO ISS PBL34 START 48.504
HIERARCH ESO ISS PBL34 END 48.502
HIERARCH ESO ISS PBLA34 START 7.286
HIERARCH ESO ISS PBLA34 END 7.395
HIERARCH ESO ISS AMBI TAU0 START 0.003471
HIERARCH ESO ISS AMBI TAU0 END 0.003335
HIERARCH ESO ISS AMBI TEMP 12.16
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.67