Exposure
ID
MATIS.2025-06-18T04:14:11.071_1
Header ID
MATIS.2025-06-18T04:14:11.071
Date updated
2025-06-18 04:26:20 UTC+0000
Release date
2025-06-18 04:14:11 UTC+0000
UTC Start
2025-06-18 04:14:11.071
UTC End
2025-06-18 04:15:11.079
MJD Start
60844.17651702
MJD End
60844.17721155704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003363
Ambient temperature (°C)
6.83
Seeing (arcsec)
0.745
Observation
ID
68122
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 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 87.4300 87.5150 108.8000 108.9000
A0-J2 125.4030 125.5220 84.9000 85.0000
A0-K0 125.6460 125.7290 62.7340 62.8800
G1-J2 57.6990 57.7210 46.9000 47.0000
G1-K0 90.4790 90.4800 18.6410 18.7700
J2-K0 48.1570 48.1640 344.0800 344.1760
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 60844.17651702
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 87.43
HIERARCH ESO ISS PBL12 END 87.515
HIERARCH ESO ISS PBLA12 START 108.8
HIERARCH ESO ISS PBLA12 END 108.9
HIERARCH ESO ISS PBL13 START 125.403
HIERARCH ESO ISS PBL13 END 125.522
HIERARCH ESO ISS PBLA13 START 84.9
HIERARCH ESO ISS PBLA13 END 85.0
HIERARCH ESO ISS PBL14 START 125.646
HIERARCH ESO ISS PBL14 END 125.729
HIERARCH ESO ISS PBLA14 START 62.734
HIERARCH ESO ISS PBLA14 END 62.88
HIERARCH ESO ISS PBL23 START 57.699
HIERARCH ESO ISS PBL23 END 57.721
HIERARCH ESO ISS PBLA23 START 46.9
HIERARCH ESO ISS PBLA23 END 47.0
HIERARCH ESO ISS PBL24 START 90.479
HIERARCH ESO ISS PBL24 END 90.48
HIERARCH ESO ISS PBLA24 START 18.641
HIERARCH ESO ISS PBLA24 END 18.77
HIERARCH ESO ISS PBL34 START 48.157
HIERARCH ESO ISS PBL34 END 48.164
HIERARCH ESO ISS PBLA34 START 344.08
HIERARCH ESO ISS PBLA34 END 344.176
HIERARCH ESO ISS AMBI TAU0 START 0.003278
HIERARCH ESO ISS AMBI TAU0 END 0.003448
HIERARCH ESO ISS AMBI TEMP 6.83
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.73