Exposure
ID
MATIS.2025-09-22T01:38:19.135_1
Header ID
MATIS.2025-09-22T01:38:19.135
Date updated
2025-09-22 01:45:57 UTC+0000
Release date
2025-09-22 01:38:19 UTC+0000
UTC Start
2025-09-22 01:38:19.135
UTC End
2025-09-22 01:39:19.143
MJD Start
60940.06827702
MJD End
60940.06897155704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003388
Ambient temperature (°C)
12.16
Seeing (arcsec)
0.58
Observation
ID
70486
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
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 82.0650 81.9710 140.7000 140.9000
A0-J2 108.3670 108.1220 115.7000 115.9000
A0-K0 104.2110 103.9230 89.4340 89.5600
G1-J2 48.4870 48.3690 70.2000 70.2000
G1-K0 82.9620 82.8740 38.9770 39.0280
J2-K0 48.4950 48.4930 7.7860 7.8950
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 60940.06827702
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247447
DEC -29.82826
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN 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 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 82.065
HIERARCH ESO ISS PBL12 END 81.971
HIERARCH ESO ISS PBLA12 START 140.7
HIERARCH ESO ISS PBLA12 END 140.9
HIERARCH ESO ISS PBL13 START 108.367
HIERARCH ESO ISS PBL13 END 108.122
HIERARCH ESO ISS PBLA13 START 115.7
HIERARCH ESO ISS PBLA13 END 115.9
HIERARCH ESO ISS PBL14 START 104.211
HIERARCH ESO ISS PBL14 END 103.923
HIERARCH ESO ISS PBLA14 START 89.434
HIERARCH ESO ISS PBLA14 END 89.56
HIERARCH ESO ISS PBL23 START 48.487
HIERARCH ESO ISS PBL23 END 48.369
HIERARCH ESO ISS PBLA23 START 70.2
HIERARCH ESO ISS PBLA23 END 70.2
HIERARCH ESO ISS PBL24 START 82.962
HIERARCH ESO ISS PBL24 END 82.874
HIERARCH ESO ISS PBLA24 START 38.977
HIERARCH ESO ISS PBLA24 END 39.028
HIERARCH ESO ISS PBL34 START 48.495
HIERARCH ESO ISS PBL34 END 48.493
HIERARCH ESO ISS PBLA34 START 7.786
HIERARCH ESO ISS PBLA34 END 7.895
HIERARCH ESO ISS AMBI TAU0 START 0.003335
HIERARCH ESO ISS AMBI TAU0 END 0.003441
HIERARCH ESO ISS AMBI TEMP 12.16
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.57