Exposure
ID
MATIS.2025-06-27T04:26:23.201_1
Header ID
MATIS.2025-06-27T04:26:23.201
Date updated
2025-06-27 04:35:50 UTC+0000
Release date
2025-06-27 04:26:23 UTC+0000
UTC Start
2025-06-27 04:26:23.201
UTC End
2025-06-27 04:27:23.209
MJD Start
60853.18499075
MJD End
60853.18568528704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0018945
Ambient temperature (°C)
5.86
Seeing (arcsec)
0.925
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 25.1500 25.1560 140.7000 140.9000
A0-D0 31.9930 31.9960 69.2000 69.3000
A0-C1 22.5250 22.5320 114.0840 114.2050
B2-D0 33.8810 33.8780 24.4000 24.5000
B2-C1 11.2860 11.2850 24.3380 24.4560
D0-C1 22.5950 22.5930 204.4020 204.5190
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 60853.18499075
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 25.15
HIERARCH ESO ISS PBL12 END 25.156
HIERARCH ESO ISS PBLA12 START 140.7
HIERARCH ESO ISS PBLA12 END 140.9
HIERARCH ESO ISS PBL13 START 31.993
HIERARCH ESO ISS PBL13 END 31.996
HIERARCH ESO ISS PBLA13 START 69.2
HIERARCH ESO ISS PBLA13 END 69.3
HIERARCH ESO ISS PBL14 START 22.525
HIERARCH ESO ISS PBL14 END 22.532
HIERARCH ESO ISS PBLA14 START 114.084
HIERARCH ESO ISS PBLA14 END 114.205
HIERARCH ESO ISS PBL23 START 33.881
HIERARCH ESO ISS PBL23 END 33.878
HIERARCH ESO ISS PBLA23 START 24.4
HIERARCH ESO ISS PBLA23 END 24.5
HIERARCH ESO ISS PBL24 START 11.286
HIERARCH ESO ISS PBL24 END 11.285
HIERARCH ESO ISS PBLA24 START 24.338
HIERARCH ESO ISS PBLA24 END 24.456
HIERARCH ESO ISS PBL34 START 22.595
HIERARCH ESO ISS PBL34 END 22.593
HIERARCH ESO ISS PBLA34 START 204.402
HIERARCH ESO ISS PBLA34 END 204.519
HIERARCH ESO ISS AMBI TAU0 START 0.002097
HIERARCH ESO ISS AMBI TAU0 END 0.001692
HIERARCH ESO ISS AMBI TEMP 5.86
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.96