Exposure
ID
MATIS.2025-09-22T01:40:43.277_1
Header ID
MATIS.2025-09-22T01:40:43.277
Date updated
2025-09-22 01:50:51 UTC+0000
Release date
2025-09-22 01:40:43 UTC+0000
UTC Start
2025-09-22 01:40:43.277
UTC End
2025-09-22 01:41:43.337
MJD Start
60940.06994533
MJD End
60940.07064046888
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.003441
Ambient temperature (°C)
11.89
Seeing (arcsec)
0.59
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 81.8440 81.7510 141.1000 141.3000
A0-J2 107.7870 107.5400 116.2000 116.4000
A0-K0 103.5300 103.2390 89.7310 89.8570
G1-J2 48.2080 48.0890 70.4000 70.4000
G1-K0 82.7530 82.6640 39.0980 39.1490
J2-K0 48.4900 48.4880 8.0430 8.1520
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 60940.06994533
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 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 81.844
HIERARCH ESO ISS PBL12 END 81.751
HIERARCH ESO ISS PBLA12 START 141.1
HIERARCH ESO ISS PBLA12 END 141.3
HIERARCH ESO ISS PBL13 START 107.787
HIERARCH ESO ISS PBL13 END 107.54
HIERARCH ESO ISS PBLA13 START 116.2
HIERARCH ESO ISS PBLA13 END 116.4
HIERARCH ESO ISS PBL14 START 103.53
HIERARCH ESO ISS PBL14 END 103.239
HIERARCH ESO ISS PBLA14 START 89.731
HIERARCH ESO ISS PBLA14 END 89.857
HIERARCH ESO ISS PBL23 START 48.208
HIERARCH ESO ISS PBL23 END 48.089
HIERARCH ESO ISS PBLA23 START 70.4
HIERARCH ESO ISS PBLA23 END 70.4
HIERARCH ESO ISS PBL24 START 82.753
HIERARCH ESO ISS PBL24 END 82.664
HIERARCH ESO ISS PBLA24 START 39.098
HIERARCH ESO ISS PBLA24 END 39.149
HIERARCH ESO ISS PBL34 START 48.49
HIERARCH ESO ISS PBL34 END 48.488
HIERARCH ESO ISS PBLA34 START 8.043
HIERARCH ESO ISS PBLA34 END 8.152
HIERARCH ESO ISS AMBI TAU0 START 0.003441
HIERARCH ESO ISS AMBI TAU0 END 0.003441
HIERARCH ESO ISS AMBI TEMP 11.89
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59