Exposure
ID
MATIS.2025-06-21T07:44:59.446_1
Header ID
MATIS.2025-06-21T07:44:59.446
Date updated
2025-06-21 07:55:44 UTC+0000
Release date
2025-06-21 07:44:59 UTC+0000
UTC Start
2025-06-21 07:44:59.446
UTC End
2025-06-21 07:45:59.454
MJD Start
60847.32291026
MJD End
60847.32360479704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003986
Ambient temperature (°C)
11.18
Seeing (arcsec)
0.49
Observation
ID
68185
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
50685
Name
del Sgr
RA
275.248725
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 56.9960 56.8630 294.5000 294.6000
K0-D0 77.9440 77.7270 269.6000 269.7000
K0-J3 56.2910 56.2890 353.5920 353.7410
G2-D0 35.5630 35.5110 227.1000 227.2000
G2-J3 55.9080 55.8060 54.6550 54.7080
D0-J3 91.2830 91.1290 51.7270 51.7780
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 60847.32291026
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.248725
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 56.996
HIERARCH ESO ISS PBL12 END 56.863
HIERARCH ESO ISS PBLA12 START 294.5
HIERARCH ESO ISS PBLA12 END 294.6
HIERARCH ESO ISS PBL13 START 77.944
HIERARCH ESO ISS PBL13 END 77.727
HIERARCH ESO ISS PBLA13 START 269.6
HIERARCH ESO ISS PBLA13 END 269.7
HIERARCH ESO ISS PBL14 START 56.291
HIERARCH ESO ISS PBL14 END 56.289
HIERARCH ESO ISS PBLA14 START 353.592
HIERARCH ESO ISS PBLA14 END 353.741
HIERARCH ESO ISS PBL23 START 35.563
HIERARCH ESO ISS PBL23 END 35.511
HIERARCH ESO ISS PBLA23 START 227.1
HIERARCH ESO ISS PBLA23 END 227.2
HIERARCH ESO ISS PBL24 START 55.908
HIERARCH ESO ISS PBL24 END 55.806
HIERARCH ESO ISS PBLA24 START 54.655
HIERARCH ESO ISS PBLA24 END 54.708
HIERARCH ESO ISS PBL34 START 91.283
HIERARCH ESO ISS PBL34 END 91.129
HIERARCH ESO ISS PBLA34 START 51.727
HIERARCH ESO ISS PBLA34 END 51.778
HIERARCH ESO ISS AMBI TAU0 START 0.003986
HIERARCH ESO ISS AMBI TAU0 END 0.003986
HIERARCH ESO ISS AMBI TEMP 11.18
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49