Exposure
ID
MATIS.2025-07-17T06:43:38.095_1
Header ID
MATIS.2025-07-17T06:43:38.095
Date updated
2025-07-17 06:51:03 UTC+0000
Release date
2025-07-17 06:43:38 UTC+0000
UTC Start
2025-07-17 06:43:38.095
UTC End
2025-07-17 06:44:38.103
MJD Start
60873.28030202
MJD End
60873.28099655704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0035665000000000002
Ambient temperature (°C)
13.77
Seeing (arcsec)
0.825
Observation
ID
68814
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 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 78.2680 78.1800 149.8000 150.0000
A0-J2 97.6860 97.4170 124.4000 124.6000
A0-K0 91.1630 90.8180 94.9550 95.1000
G1-J2 43.0930 42.9480 73.2000 73.2000
G1-K0 78.8560 78.7450 40.7230 40.7540
J2-K0 48.3690 48.3650 12.1710 12.2740
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 60873.28030202
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 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 78.268
HIERARCH ESO ISS PBL12 END 78.18
HIERARCH ESO ISS PBLA12 START 149.8
HIERARCH ESO ISS PBLA12 END 150.0
HIERARCH ESO ISS PBL13 START 97.686
HIERARCH ESO ISS PBL13 END 97.417
HIERARCH ESO ISS PBLA13 START 124.4
HIERARCH ESO ISS PBLA13 END 124.6
HIERARCH ESO ISS PBL14 START 91.163
HIERARCH ESO ISS PBL14 END 90.818
HIERARCH ESO ISS PBLA14 START 94.955
HIERARCH ESO ISS PBLA14 END 95.1
HIERARCH ESO ISS PBL23 START 43.093
HIERARCH ESO ISS PBL23 END 42.948
HIERARCH ESO ISS PBLA23 START 73.2
HIERARCH ESO ISS PBLA23 END 73.2
HIERARCH ESO ISS PBL24 START 78.856
HIERARCH ESO ISS PBL24 END 78.745
HIERARCH ESO ISS PBLA24 START 40.723
HIERARCH ESO ISS PBLA24 END 40.754
HIERARCH ESO ISS PBL34 START 48.369
HIERARCH ESO ISS PBL34 END 48.365
HIERARCH ESO ISS PBLA34 START 12.171
HIERARCH ESO ISS PBLA34 END 12.274
HIERARCH ESO ISS AMBI TAU0 START 0.003914
HIERARCH ESO ISS AMBI TAU0 END 0.003219
HIERARCH ESO ISS AMBI TEMP 13.77
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.88