Exposure
ID
MATIS.2025-09-22T00:54:39.603_1
Header ID
MATIS.2025-09-22T00:54:39.603
Date updated
2025-09-22 01:01:02 UTC+0000
Release date
2025-09-22 00:54:39 UTC+0000
UTC Start
2025-09-22 00:54:39.603
UTC End
2025-09-22 00:55:39.663
MJD Start
60940.03795837
MJD End
60940.038653508884
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.005428
Ambient temperature (°C)
11.78
Seeing (arcsec)
0.56
Observation
ID
70483
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
52266
Name
eps Sgr
RA
276.041372
DEC
-34.38533
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 87.4980 87.4360 132.9000 133.1000
A0-J2 119.7560 119.5880 109.6000 109.8000
A0-K0 115.3150 115.1110 86.0860 86.2230
G1-J2 52.3790 52.2920 68.4000 68.5000
G1-K0 84.4970 84.4250 37.0740 37.1540
J2-K0 48.1530 48.1520 2.6790 2.7920
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 60940.03795837
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041372
DEC -34.38533
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 87.498
HIERARCH ESO ISS PBL12 END 87.436
HIERARCH ESO ISS PBLA12 START 132.9
HIERARCH ESO ISS PBLA12 END 133.1
HIERARCH ESO ISS PBL13 START 119.756
HIERARCH ESO ISS PBL13 END 119.588
HIERARCH ESO ISS PBLA13 START 109.6
HIERARCH ESO ISS PBLA13 END 109.8
HIERARCH ESO ISS PBL14 START 115.315
HIERARCH ESO ISS PBL14 END 115.111
HIERARCH ESO ISS PBLA14 START 86.086
HIERARCH ESO ISS PBLA14 END 86.223
HIERARCH ESO ISS PBL23 START 52.379
HIERARCH ESO ISS PBL23 END 52.292
HIERARCH ESO ISS PBLA23 START 68.4
HIERARCH ESO ISS PBLA23 END 68.5
HIERARCH ESO ISS PBL24 START 84.497
HIERARCH ESO ISS PBL24 END 84.425
HIERARCH ESO ISS PBLA24 START 37.074
HIERARCH ESO ISS PBLA24 END 37.154
HIERARCH ESO ISS PBL34 START 48.153
HIERARCH ESO ISS PBL34 END 48.152
HIERARCH ESO ISS PBLA34 START 2.679
HIERARCH ESO ISS PBLA34 END 2.792
HIERARCH ESO ISS AMBI TAU0 START 0.005428
HIERARCH ESO ISS AMBI TAU0 END 0.005428
HIERARCH ESO ISS AMBI TEMP 11.78
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.58