Exposure
ID
MATIS.2025-06-27T04:16:50.460_1
Header ID
MATIS.2025-06-27T04:16:50.460
Date updated
2025-06-27 04:25:41 UTC+0000
Release date
2025-06-27 04:16:50 UTC+0000
UTC Start
2025-06-27 04:16:50.460
UTC End
2025-06-27 04:17:50.468
MJD Start
60853.1783618
MJD End
60853.17905633704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.001956
Ambient temperature (°C)
6.15
Seeing (arcsec)
0.86
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 25.0790 25.0870 139.7000 139.9000
A0-D0 31.9460 31.9530 67.9000 68.1000
A0-C1 22.4430 22.4530 112.9810 113.1020
B2-D0 33.9050 33.9030 23.3000 23.4000
B2-C1 11.2940 11.2930 23.2360 23.3590
D0-C1 22.6110 22.6100 203.2990 203.4220
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 60853.1783618
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 25.079
HIERARCH ESO ISS PBL12 END 25.087
HIERARCH ESO ISS PBLA12 START 139.7
HIERARCH ESO ISS PBLA12 END 139.9
HIERARCH ESO ISS PBL13 START 31.946
HIERARCH ESO ISS PBL13 END 31.953
HIERARCH ESO ISS PBLA13 START 67.9
HIERARCH ESO ISS PBLA13 END 68.1
HIERARCH ESO ISS PBL14 START 22.443
HIERARCH ESO ISS PBL14 END 22.453
HIERARCH ESO ISS PBLA14 START 112.981
HIERARCH ESO ISS PBLA14 END 113.102
HIERARCH ESO ISS PBL23 START 33.905
HIERARCH ESO ISS PBL23 END 33.903
HIERARCH ESO ISS PBLA23 START 23.3
HIERARCH ESO ISS PBLA23 END 23.4
HIERARCH ESO ISS PBL24 START 11.294
HIERARCH ESO ISS PBL24 END 11.293
HIERARCH ESO ISS PBLA24 START 23.236
HIERARCH ESO ISS PBLA24 END 23.359
HIERARCH ESO ISS PBL34 START 22.611
HIERARCH ESO ISS PBL34 END 22.61
HIERARCH ESO ISS PBLA34 START 203.299
HIERARCH ESO ISS PBLA34 END 203.422
HIERARCH ESO ISS AMBI TAU0 START 0.001956
HIERARCH ESO ISS AMBI TAU0 END 0.001956
HIERARCH ESO ISS AMBI TEMP 6.15
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.86