Exposure
ID
MATIS.2025-06-27T04:15:29.739_1
Header ID
MATIS.2025-06-27T04:15:29.739
Date updated
2025-06-27 04:25:41 UTC+0000
Release date
2025-06-27 04:15:29 UTC+0000
UTC Start
2025-06-27 04:15:29.739
UTC End
2025-06-27 04:16:29.747
MJD Start
60853.17742754
MJD End
60853.17812207704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.001956
Ambient temperature (°C)
6.12
Seeing (arcsec)
0.88
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 25.0680 25.0770 139.6000 139.7000
A0-D0 31.9370 31.9440 67.8000 67.9000
A0-C1 22.4290 22.4390 112.8320 112.9480
B2-D0 33.9080 33.9060 23.1000 23.2000
B2-C1 11.2950 11.2940 23.0830 23.2020
D0-C1 22.6130 22.6120 203.1460 203.2650
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 60853.17742754
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 25.068
HIERARCH ESO ISS PBL12 END 25.077
HIERARCH ESO ISS PBLA12 START 139.6
HIERARCH ESO ISS PBLA12 END 139.7
HIERARCH ESO ISS PBL13 START 31.937
HIERARCH ESO ISS PBL13 END 31.944
HIERARCH ESO ISS PBLA13 START 67.8
HIERARCH ESO ISS PBLA13 END 67.9
HIERARCH ESO ISS PBL14 START 22.429
HIERARCH ESO ISS PBL14 END 22.439
HIERARCH ESO ISS PBLA14 START 112.832
HIERARCH ESO ISS PBLA14 END 112.948
HIERARCH ESO ISS PBL23 START 33.908
HIERARCH ESO ISS PBL23 END 33.906
HIERARCH ESO ISS PBLA23 START 23.1
HIERARCH ESO ISS PBLA23 END 23.2
HIERARCH ESO ISS PBL24 START 11.295
HIERARCH ESO ISS PBL24 END 11.294
HIERARCH ESO ISS PBLA24 START 23.083
HIERARCH ESO ISS PBLA24 END 23.202
HIERARCH ESO ISS PBL34 START 22.613
HIERARCH ESO ISS PBL34 END 22.612
HIERARCH ESO ISS PBLA34 START 203.146
HIERARCH ESO ISS PBLA34 END 203.265
HIERARCH ESO ISS AMBI TAU0 START 0.001956
HIERARCH ESO ISS AMBI TAU0 END 0.001956
HIERARCH ESO ISS AMBI TEMP 6.12
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.86