Exposure
ID
MATIS.2025-07-16T04:04:42.227_1
Header ID
MATIS.2025-07-16T04:04:42.227
Date updated
2025-07-16 04:15:45 UTC+0000
Release date
2025-07-16 04:04:42 UTC+0000
UTC Start
2025-07-16 04:04:42.227
UTC End
2025-07-16 04:05:42.235
MJD Start
60872.16993318
MJD End
60872.17062771704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0031235
Ambient temperature (°C)
12.79
Seeing (arcsec)
0.84
Observation
ID
68812
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
51193
Name
eps Sgr
RA
276.041374
DEC
-34.38532
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 90.4540 90.4440 120.5000 120.6000
A0-J2 128.3920 128.3370 97.6000 97.8000
A0-K0 126.0660 125.9860 75.8780 76.0210
G1-J2 57.0570 57.0190 59.7000 59.9000
G1-K0 88.4790 88.4440 30.0320 30.1440
J2-K0 48.0960 48.0990 354.0410 354.1600
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 60872.16993318
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041374
DEC -34.38532
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 90.454
HIERARCH ESO ISS PBL12 END 90.444
HIERARCH ESO ISS PBLA12 START 120.5
HIERARCH ESO ISS PBLA12 END 120.6
HIERARCH ESO ISS PBL13 START 128.392
HIERARCH ESO ISS PBL13 END 128.337
HIERARCH ESO ISS PBLA13 START 97.6
HIERARCH ESO ISS PBLA13 END 97.8
HIERARCH ESO ISS PBL14 START 126.066
HIERARCH ESO ISS PBL14 END 125.986
HIERARCH ESO ISS PBLA14 START 75.878
HIERARCH ESO ISS PBLA14 END 76.021
HIERARCH ESO ISS PBL23 START 57.057
HIERARCH ESO ISS PBL23 END 57.019
HIERARCH ESO ISS PBLA23 START 59.7
HIERARCH ESO ISS PBLA23 END 59.9
HIERARCH ESO ISS PBL24 START 88.479
HIERARCH ESO ISS PBL24 END 88.444
HIERARCH ESO ISS PBLA24 START 30.032
HIERARCH ESO ISS PBLA24 END 30.144
HIERARCH ESO ISS PBL34 START 48.096
HIERARCH ESO ISS PBL34 END 48.099
HIERARCH ESO ISS PBLA34 START 354.041
HIERARCH ESO ISS PBLA34 END 354.16
HIERARCH ESO ISS AMBI TAU0 START 0.003062
HIERARCH ESO ISS AMBI TAU0 END 0.003185
HIERARCH ESO ISS AMBI TEMP 12.79
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.84