Exposure
ID
MATIS.2025-07-17T06:05:40.419_1
Header ID
MATIS.2025-07-17T06:05:40.419
Date updated
2025-07-17 06:16:01 UTC+0000
Release date
2025-07-17 06:05:40 UTC+0000
UTC Start
2025-07-17 06:05:40.419
UTC End
2025-07-17 06:06:40.479
MJD Start
60873.25394003
MJD End
60873.25463516889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.003887
Ambient temperature (°C)
13.92
Seeing (arcsec)
1.01
Observation
ID
68811
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
51193
Name
eps Sgr
RA
276.041374
DEC
-34.38532
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 84.2230 84.1490 142.0000 142.2000
A0-J2 110.6940 110.4820 118.4000 118.6000
A0-K0 104.1390 103.8700 92.7760 92.9250
G1-J2 47.5860 47.4700 73.2000 73.3000
G1-K0 80.5320 80.4360 40.3920 40.4520
J2-K0 48.0370 48.0330 7.9340 8.0430
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 60873.25394003
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041374
DEC -34.38532
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 84.223
HIERARCH ESO ISS PBL12 END 84.149
HIERARCH ESO ISS PBLA12 START 142.0
HIERARCH ESO ISS PBLA12 END 142.2
HIERARCH ESO ISS PBL13 START 110.694
HIERARCH ESO ISS PBL13 END 110.482
HIERARCH ESO ISS PBLA13 START 118.4
HIERARCH ESO ISS PBLA13 END 118.6
HIERARCH ESO ISS PBL14 START 104.139
HIERARCH ESO ISS PBL14 END 103.87
HIERARCH ESO ISS PBLA14 START 92.776
HIERARCH ESO ISS PBLA14 END 92.925
HIERARCH ESO ISS PBL23 START 47.586
HIERARCH ESO ISS PBL23 END 47.47
HIERARCH ESO ISS PBLA23 START 73.2
HIERARCH ESO ISS PBLA23 END 73.3
HIERARCH ESO ISS PBL24 START 80.532
HIERARCH ESO ISS PBL24 END 80.436
HIERARCH ESO ISS PBLA24 START 40.392
HIERARCH ESO ISS PBLA24 END 40.452
HIERARCH ESO ISS PBL34 START 48.037
HIERARCH ESO ISS PBL34 END 48.033
HIERARCH ESO ISS PBLA34 START 7.934
HIERARCH ESO ISS PBLA34 END 8.043
HIERARCH ESO ISS AMBI TAU0 START 0.004202
HIERARCH ESO ISS AMBI TAU0 END 0.003572
HIERARCH ESO ISS AMBI TEMP 13.92
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 1.05