Exposure
ID
MATIS.2025-07-17T06:50:57.482_1
Header ID
MATIS.2025-07-17T06:50:57.482
Date updated
2025-07-17 07:00:57 UTC+0000
Release date
2025-07-17 06:50:57 UTC+0000
UTC Start
2025-07-17 06:50:57.482
UTC End
2025-07-17 06:51:57.542
MJD Start
60873.28538752
MJD End
60873.28608265889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0032725000000000002
Ambient temperature (°C)
13.73
Seeing (arcsec)
0.935
Observation
ID
68813
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
51196
Name
del Sgr
RA
275.247446
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 77.6410 77.5570 151.5000 151.8000
A0-J2 95.7390 95.4710 126.1000 126.3000
A0-K0 88.6420 88.2910 96.0230 96.1730
G1-J2 42.0340 41.8860 73.7000 73.7000
G1-K0 78.0360 77.9220 40.9430 40.9710
J2-K0 48.3370 48.3320 12.9120 13.0130
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 60873.28538752
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247446
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 77.641
HIERARCH ESO ISS PBL12 END 77.557
HIERARCH ESO ISS PBLA12 START 151.5
HIERARCH ESO ISS PBLA12 END 151.8
HIERARCH ESO ISS PBL13 START 95.739
HIERARCH ESO ISS PBL13 END 95.471
HIERARCH ESO ISS PBLA13 START 126.1
HIERARCH ESO ISS PBLA13 END 126.3
HIERARCH ESO ISS PBL14 START 88.642
HIERARCH ESO ISS PBL14 END 88.291
HIERARCH ESO ISS PBLA14 START 96.023
HIERARCH ESO ISS PBLA14 END 96.173
HIERARCH ESO ISS PBL23 START 42.034
HIERARCH ESO ISS PBL23 END 41.886
HIERARCH ESO ISS PBLA23 START 73.7
HIERARCH ESO ISS PBLA23 END 73.7
HIERARCH ESO ISS PBL24 START 78.036
HIERARCH ESO ISS PBL24 END 77.922
HIERARCH ESO ISS PBLA24 START 40.943
HIERARCH ESO ISS PBLA24 END 40.971
HIERARCH ESO ISS PBL34 START 48.337
HIERARCH ESO ISS PBL34 END 48.332
HIERARCH ESO ISS PBLA34 START 12.912
HIERARCH ESO ISS PBLA34 END 13.013
HIERARCH ESO ISS AMBI TAU0 START 0.003346
HIERARCH ESO ISS AMBI TAU0 END 0.003199
HIERARCH ESO ISS AMBI TEMP 13.73
HIERARCH ESO ISS AMBI FWHM START 0.92
HIERARCH ESO ISS AMBI FWHM END 0.95