Exposure
ID
MATIS.2025-06-28T01:00:21.880_1
Header ID
MATIS.2025-06-28T01:00:21.880
Date updated
2025-06-28 01:06:15 UTC+0000
Release date
2025-06-28 01:00:21 UTC+0000
UTC Start
2025-06-28 01:00:21.880
UTC End
2025-06-28 01:01:21.940
MJD Start
60854.04191991
MJD End
60854.042615048886
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.002427
Ambient temperature (°C)
6.37
Seeing (arcsec)
0.56
Observation
ID
68243
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
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 19.8070 19.8550 127.4000 127.4000
A0-D0 25.8470 25.8870 32.8000 33.1000
A0-C1 15.1780 15.2430 92.9700 93.0840
B2-D0 33.7890 33.7880 357.1000 357.2000
B2-C1 11.2560 11.2560 357.0440 357.1910
D0-C1 22.5330 22.5330 177.0870 177.2340
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 60854.04191991
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247445
DEC -29.82826
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL 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 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 19.807
HIERARCH ESO ISS PBL12 END 19.855
HIERARCH ESO ISS PBLA12 START 127.4
HIERARCH ESO ISS PBLA12 END 127.4
HIERARCH ESO ISS PBL13 START 25.847
HIERARCH ESO ISS PBL13 END 25.887
HIERARCH ESO ISS PBLA13 START 32.8
HIERARCH ESO ISS PBLA13 END 33.1
HIERARCH ESO ISS PBL14 START 15.178
HIERARCH ESO ISS PBL14 END 15.243
HIERARCH ESO ISS PBLA14 START 92.97
HIERARCH ESO ISS PBLA14 END 93.084
HIERARCH ESO ISS PBL23 START 33.789
HIERARCH ESO ISS PBL23 END 33.788
HIERARCH ESO ISS PBLA23 START 357.1
HIERARCH ESO ISS PBLA23 END 357.2
HIERARCH ESO ISS PBL24 START 11.256
HIERARCH ESO ISS PBL24 END 11.256
HIERARCH ESO ISS PBLA24 START 357.044
HIERARCH ESO ISS PBLA24 END 357.191
HIERARCH ESO ISS PBL34 START 22.533
HIERARCH ESO ISS PBL34 END 22.533
HIERARCH ESO ISS PBLA34 START 177.087
HIERARCH ESO ISS PBLA34 END 177.234
HIERARCH ESO ISS AMBI TAU0 START 0.002424
HIERARCH ESO ISS AMBI TAU0 END 0.00243
HIERARCH ESO ISS AMBI TEMP 6.37
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.55