Exposure
ID
MATIS.2025-07-17T06:46:03.631_1
Header ID
MATIS.2025-07-17T06:46:03.631
Date updated
2025-07-17 06:55:57 UTC+0000
Release date
2025-07-17 06:46:03 UTC+0000
UTC Start
2025-07-17 06:46:03.631
UTC End
2025-07-17 06:47:03.691
MJD Start
60873.28198647
MJD End
60873.282681608885
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0028355000000000003
Ambient temperature (°C)
13.78
Seeing (arcsec)
0.995
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 78.0580 77.9710 150.4000 150.6000
A0-J2 97.0400 96.7700 124.9000 125.2000
A0-K0 90.3330 89.9840 95.3060 95.4520
G1-J2 42.7450 42.5980 73.3000 73.4000
G1-K0 78.5870 78.4740 40.7990 40.8290
J2-K0 48.3590 48.3550 12.4180 12.5200
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 60873.28198647
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 78.058
HIERARCH ESO ISS PBL12 END 77.971
HIERARCH ESO ISS PBLA12 START 150.4
HIERARCH ESO ISS PBLA12 END 150.6
HIERARCH ESO ISS PBL13 START 97.04
HIERARCH ESO ISS PBL13 END 96.77
HIERARCH ESO ISS PBLA13 START 124.9
HIERARCH ESO ISS PBLA13 END 125.2
HIERARCH ESO ISS PBL14 START 90.333
HIERARCH ESO ISS PBL14 END 89.984
HIERARCH ESO ISS PBLA14 START 95.306
HIERARCH ESO ISS PBLA14 END 95.452
HIERARCH ESO ISS PBL23 START 42.745
HIERARCH ESO ISS PBL23 END 42.598
HIERARCH ESO ISS PBLA23 START 73.3
HIERARCH ESO ISS PBLA23 END 73.4
HIERARCH ESO ISS PBL24 START 78.587
HIERARCH ESO ISS PBL24 END 78.474
HIERARCH ESO ISS PBLA24 START 40.799
HIERARCH ESO ISS PBLA24 END 40.829
HIERARCH ESO ISS PBL34 START 48.359
HIERARCH ESO ISS PBL34 END 48.355
HIERARCH ESO ISS PBLA34 START 12.418
HIERARCH ESO ISS PBLA34 END 12.52
HIERARCH ESO ISS AMBI TAU0 START 0.002873
HIERARCH ESO ISS AMBI TAU0 END 0.002798
HIERARCH ESO ISS AMBI TEMP 13.78
HIERARCH ESO ISS AMBI FWHM START 0.98
HIERARCH ESO ISS AMBI FWHM END 1.01