Exposure
ID
MATIS.2025-06-27T02:20:40.680_1
Header ID
MATIS.2025-06-27T02:20:40.680
Date updated
2025-06-27 02:30:48 UTC+0000
Release date
2025-06-27 02:20:40 UTC+0000
UTC Start
2025-06-27 02:20:40.680
UTC End
2025-06-27 02:21:40.688
MJD Start
60853.09769305
MJD End
60853.09838758704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0015769999999999998
Ambient temperature (°C)
6.27
Seeing (arcsec)
0.855
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 22.8330 22.8650 130.4000 130.5000
A0-D0 28.9780 29.0180 49.8000 50.0000
A0-C1 19.3110 19.3560 100.8850 100.9860
B2-D0 33.8270 33.8290 8.1000 8.2000
B2-C1 11.2690 11.2690 8.0570 8.2010
D0-C1 22.5590 22.5600 188.1120 188.2560
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 60853.09769305
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 22.833
HIERARCH ESO ISS PBL12 END 22.865
HIERARCH ESO ISS PBLA12 START 130.4
HIERARCH ESO ISS PBLA12 END 130.5
HIERARCH ESO ISS PBL13 START 28.978
HIERARCH ESO ISS PBL13 END 29.018
HIERARCH ESO ISS PBLA13 START 49.8
HIERARCH ESO ISS PBLA13 END 50.0
HIERARCH ESO ISS PBL14 START 19.311
HIERARCH ESO ISS PBL14 END 19.356
HIERARCH ESO ISS PBLA14 START 100.885
HIERARCH ESO ISS PBLA14 END 100.986
HIERARCH ESO ISS PBL23 START 33.827
HIERARCH ESO ISS PBL23 END 33.829
HIERARCH ESO ISS PBLA23 START 8.1
HIERARCH ESO ISS PBLA23 END 8.2
HIERARCH ESO ISS PBL24 START 11.269
HIERARCH ESO ISS PBL24 END 11.269
HIERARCH ESO ISS PBLA24 START 8.057
HIERARCH ESO ISS PBLA24 END 8.201
HIERARCH ESO ISS PBL34 START 22.559
HIERARCH ESO ISS PBL34 END 22.56
HIERARCH ESO ISS PBLA34 START 188.112
HIERARCH ESO ISS PBLA34 END 188.256
HIERARCH ESO ISS AMBI TAU0 START 0.001486
HIERARCH ESO ISS AMBI TAU0 END 0.001668
HIERARCH ESO ISS AMBI TEMP 6.27
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.81