Exposure
ID
MATIS.2025-07-17T06:41:27.769_1
Header ID
MATIS.2025-07-17T06:41:27.769
Date updated
2025-07-17 06:51:03 UTC+0000
Release date
2025-07-17 06:41:27 UTC+0000
UTC Start
2025-07-17 06:41:27.769
UTC End
2025-07-17 06:42:27.777
MJD Start
60873.27879362
MJD End
60873.27948815704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0038045
Ambient temperature (°C)
13.81
Seeing (arcsec)
0.745
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 78.4570 78.3690 149.3000 149.5000
A0-J2 98.2610 97.9920 123.9000 124.1000
A0-K0 91.8970 91.5540 94.6460 94.7910
G1-J2 43.4000 43.2560 73.0000 73.1000
G1-K0 79.0930 78.9820 40.6520 40.6850
J2-K0 48.3780 48.3740 11.9500 12.0530
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 60873.27879362
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 78.457
HIERARCH ESO ISS PBL12 END 78.369
HIERARCH ESO ISS PBLA12 START 149.3
HIERARCH ESO ISS PBLA12 END 149.5
HIERARCH ESO ISS PBL13 START 98.261
HIERARCH ESO ISS PBL13 END 97.992
HIERARCH ESO ISS PBLA13 START 123.9
HIERARCH ESO ISS PBLA13 END 124.1
HIERARCH ESO ISS PBL14 START 91.897
HIERARCH ESO ISS PBL14 END 91.554
HIERARCH ESO ISS PBLA14 START 94.646
HIERARCH ESO ISS PBLA14 END 94.791
HIERARCH ESO ISS PBL23 START 43.4
HIERARCH ESO ISS PBL23 END 43.256
HIERARCH ESO ISS PBLA23 START 73.0
HIERARCH ESO ISS PBLA23 END 73.1
HIERARCH ESO ISS PBL24 START 79.093
HIERARCH ESO ISS PBL24 END 78.982
HIERARCH ESO ISS PBLA24 START 40.652
HIERARCH ESO ISS PBLA24 END 40.685
HIERARCH ESO ISS PBL34 START 48.378
HIERARCH ESO ISS PBL34 END 48.374
HIERARCH ESO ISS PBLA34 START 11.95
HIERARCH ESO ISS PBLA34 END 12.053
HIERARCH ESO ISS AMBI TAU0 START 0.003906
HIERARCH ESO ISS AMBI TAU0 END 0.003703
HIERARCH ESO ISS AMBI TEMP 13.81
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.75