Exposure
ID
MATIS.2025-06-21T07:48:15.614_1
Header ID
MATIS.2025-06-21T07:48:15.614
Date updated
2025-06-21 07:55:44 UTC+0000
Release date
2025-06-21 07:48:15 UTC+0000
UTC Start
2025-06-21 07:48:15.614
UTC End
2025-06-21 07:49:15.622
MJD Start
60847.32518072
MJD End
60847.32587525704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004031
Ambient temperature (°C)
11.2
Seeing (arcsec)
0.52
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 56.5670 56.4330 295.1000 295.2000
K0-D0 77.2440 77.0230 270.0000 270.1000
K0-J3 56.2840 56.2810 354.0690 354.2180
G2-D0 35.3950 35.3420 227.3000 227.3000
G2-J3 55.5790 55.4760 54.8230 54.8750
D0-J3 90.7870 90.6310 51.8880 51.9380
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 60847.32518072
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 56.567
HIERARCH ESO ISS PBL12 END 56.433
HIERARCH ESO ISS PBLA12 START 295.1
HIERARCH ESO ISS PBLA12 END 295.2
HIERARCH ESO ISS PBL13 START 77.244
HIERARCH ESO ISS PBL13 END 77.023
HIERARCH ESO ISS PBLA13 START 270.0
HIERARCH ESO ISS PBLA13 END 270.1
HIERARCH ESO ISS PBL14 START 56.284
HIERARCH ESO ISS PBL14 END 56.281
HIERARCH ESO ISS PBLA14 START 354.069
HIERARCH ESO ISS PBLA14 END 354.218
HIERARCH ESO ISS PBL23 START 35.395
HIERARCH ESO ISS PBL23 END 35.342
HIERARCH ESO ISS PBLA23 START 227.3
HIERARCH ESO ISS PBLA23 END 227.3
HIERARCH ESO ISS PBL24 START 55.579
HIERARCH ESO ISS PBL24 END 55.476
HIERARCH ESO ISS PBLA24 START 54.823
HIERARCH ESO ISS PBLA24 END 54.875
HIERARCH ESO ISS PBL34 START 90.787
HIERARCH ESO ISS PBL34 END 90.631
HIERARCH ESO ISS PBLA34 START 51.888
HIERARCH ESO ISS PBLA34 END 51.938
HIERARCH ESO ISS AMBI TAU0 START 0.004031
HIERARCH ESO ISS AMBI TAU0 END 0.004031
HIERARCH ESO ISS AMBI TEMP 11.2
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.51