Exposure
ID
MATIS.2025-06-27T04:18:11.818_1
Header ID
MATIS.2025-06-27T04:18:11.818
Date updated
2025-06-27 04:25:41 UTC+0000
Release date
2025-06-27 04:18:11 UTC+0000
UTC Start
2025-06-27 04:18:11.818
UTC End
2025-06-27 04:19:11.826
MJD Start
60853.17930345
MJD End
60853.17999798704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0019055
Ambient temperature (°C)
6.13
Seeing (arcsec)
0.915
Observation
ID
68244
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
50633
Name
del Sgr
RA
275.247445
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.0900 25.0980 139.9000 140.0000
A0-D0 31.9550 31.9610 68.1000 68.2000
A0-C1 22.4560 22.4650 113.1400 113.2560
B2-D0 33.9020 33.9000 23.4000 23.6000
B2-C1 11.2930 11.2920 23.3980 23.5160
D0-C1 22.6090 22.6080 203.4610 203.5790
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 60853.17930345
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247445
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 25.09
HIERARCH ESO ISS PBL12 END 25.098
HIERARCH ESO ISS PBLA12 START 139.9
HIERARCH ESO ISS PBLA12 END 140.0
HIERARCH ESO ISS PBL13 START 31.955
HIERARCH ESO ISS PBL13 END 31.961
HIERARCH ESO ISS PBLA13 START 68.1
HIERARCH ESO ISS PBLA13 END 68.2
HIERARCH ESO ISS PBL14 START 22.456
HIERARCH ESO ISS PBL14 END 22.465
HIERARCH ESO ISS PBLA14 START 113.14
HIERARCH ESO ISS PBLA14 END 113.256
HIERARCH ESO ISS PBL23 START 33.902
HIERARCH ESO ISS PBL23 END 33.9
HIERARCH ESO ISS PBLA23 START 23.4
HIERARCH ESO ISS PBLA23 END 23.6
HIERARCH ESO ISS PBL24 START 11.293
HIERARCH ESO ISS PBL24 END 11.292
HIERARCH ESO ISS PBLA24 START 23.398
HIERARCH ESO ISS PBLA24 END 23.516
HIERARCH ESO ISS PBL34 START 22.609
HIERARCH ESO ISS PBL34 END 22.608
HIERARCH ESO ISS PBLA34 START 203.461
HIERARCH ESO ISS PBLA34 END 203.579
HIERARCH ESO ISS AMBI TAU0 START 0.001956
HIERARCH ESO ISS AMBI TAU0 END 0.001855
HIERARCH ESO ISS AMBI TEMP 6.13
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.97