Exposure
ID
MATIS.2025-06-16T03:47:45.062_1
Header ID
MATIS.2025-06-16T03:47:45.062
Date updated
2025-06-16 04:00:58 UTC+0000
Release date
2025-06-16 03:47:45 UTC+0000
UTC Start
2025-06-16 03:47:45.062
UTC End
2025-06-16 03:48:45.070
MJD Start
60842.15816044
MJD End
60842.15885497704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.006203500000000001
Ambient temperature (°C)
6.13
Seeing (arcsec)
0.575
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 83.8470 83.9730 105.3000 105.4000
A0-J2 120.3360 120.5140 80.3000 80.4000
A0-K0 122.1030 122.2270 57.5120 57.6770
G1-J2 56.7480 56.7810 41.6000 41.8000
G1-K0 90.3830 90.3870 14.1550 14.2930
J2-K0 47.8490 47.8600 340.9650 341.0550
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 60842.15816044
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 83.847
HIERARCH ESO ISS PBL12 END 83.973
HIERARCH ESO ISS PBLA12 START 105.3
HIERARCH ESO ISS PBLA12 END 105.4
HIERARCH ESO ISS PBL13 START 120.336
HIERARCH ESO ISS PBL13 END 120.514
HIERARCH ESO ISS PBLA13 START 80.3
HIERARCH ESO ISS PBLA13 END 80.4
HIERARCH ESO ISS PBL14 START 122.103
HIERARCH ESO ISS PBL14 END 122.227
HIERARCH ESO ISS PBLA14 START 57.512
HIERARCH ESO ISS PBLA14 END 57.677
HIERARCH ESO ISS PBL23 START 56.748
HIERARCH ESO ISS PBL23 END 56.781
HIERARCH ESO ISS PBLA23 START 41.6
HIERARCH ESO ISS PBLA23 END 41.8
HIERARCH ESO ISS PBL24 START 90.383
HIERARCH ESO ISS PBL24 END 90.387
HIERARCH ESO ISS PBLA24 START 14.155
HIERARCH ESO ISS PBLA24 END 14.293
HIERARCH ESO ISS PBL34 START 47.849
HIERARCH ESO ISS PBL34 END 47.86
HIERARCH ESO ISS PBLA34 START 340.965
HIERARCH ESO ISS PBLA34 END 341.055
HIERARCH ESO ISS AMBI TAU0 START 0.005876
HIERARCH ESO ISS AMBI TAU0 END 0.006531
HIERARCH ESO ISS AMBI TEMP 6.13
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.53