Exposure
ID
MATIS.2025-07-25T06:03:22.056_1
Header ID
MATIS.2025-07-25T06:03:22.056
Date updated
2025-07-25 06:15:49 UTC+0000
Release date
2025-07-25 06:03:22 UTC+0000
UTC Start
2025-07-25 06:03:22.056
UTC End
2025-07-25 06:04:22.064
MJD Start
60881.25233861
MJD End
60881.25303314704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003981
Ambient temperature (°C)
12.03
Seeing (arcsec)
0.64
Observation
ID
68971
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
51196
Name
del Sgr
RA
275.247446
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 24.6500 24.6460 170.5000 170.7000
A0-D0 23.5330 23.4490 93.7000 93.9000
A0-C1 19.7590 19.7360 147.7650 147.9970
B2-D0 29.9280 29.8870 40.4000 40.5000
B2-C1 9.9710 9.9580 40.3890 40.4270
D0-C1 19.9560 19.9300 220.4490 220.4870
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 60881.25233861
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247446
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 24.65
HIERARCH ESO ISS PBL12 END 24.646
HIERARCH ESO ISS PBLA12 START 170.5
HIERARCH ESO ISS PBLA12 END 170.7
HIERARCH ESO ISS PBL13 START 23.533
HIERARCH ESO ISS PBL13 END 23.449
HIERARCH ESO ISS PBLA13 START 93.7
HIERARCH ESO ISS PBLA13 END 93.9
HIERARCH ESO ISS PBL14 START 19.759
HIERARCH ESO ISS PBL14 END 19.736
HIERARCH ESO ISS PBLA14 START 147.765
HIERARCH ESO ISS PBLA14 END 147.997
HIERARCH ESO ISS PBL23 START 29.928
HIERARCH ESO ISS PBL23 END 29.887
HIERARCH ESO ISS PBLA23 START 40.4
HIERARCH ESO ISS PBLA23 END 40.5
HIERARCH ESO ISS PBL24 START 9.971
HIERARCH ESO ISS PBL24 END 9.958
HIERARCH ESO ISS PBLA24 START 40.389
HIERARCH ESO ISS PBLA24 END 40.427
HIERARCH ESO ISS PBL34 START 19.956
HIERARCH ESO ISS PBL34 END 19.93
HIERARCH ESO ISS PBLA34 START 220.449
HIERARCH ESO ISS PBLA34 END 220.487
HIERARCH ESO ISS AMBI TAU0 START 0.003981
HIERARCH ESO ISS AMBI TAU0 END 0.003981
HIERARCH ESO ISS AMBI TEMP 12.03
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64