Exposure
ID
MATIS.2025-07-16T04:04:41.521_1
Header ID
MATIS.2025-07-16T04:04:41.521
Date updated
2025-07-16 04:15:45 UTC+0000
Release date
2025-07-16 04:04:41 UTC+0000
UTC Start
2025-07-16 04:04:41.521
UTC End
2025-07-16 04:05:41.485
MJD Start
60872.16992501
MJD End
60872.17061903777
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
68811
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
SI_PHOT_LM_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 128.3930 128.3380 97.6000 97.8000
A0-K0 126.0670 125.9880 75.8840 76.0110
G1-J2 57.0570 57.0200 59.7000 59.8000
G1-K0 88.4800 88.4450 30.0370 30.1350
J2-K0 48.0960 48.0990 354.0460 354.1510
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 60872.16992501
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041374
DEC -34.38532
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL 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 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.228
HIERARCH ESO DET NDIT 263
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 128.393
HIERARCH ESO ISS PBL13 END 128.338
HIERARCH ESO ISS PBLA13 START 97.6
HIERARCH ESO ISS PBLA13 END 97.8
HIERARCH ESO ISS PBL14 START 126.067
HIERARCH ESO ISS PBL14 END 125.988
HIERARCH ESO ISS PBLA14 START 75.884
HIERARCH ESO ISS PBLA14 END 76.011
HIERARCH ESO ISS PBL23 START 57.057
HIERARCH ESO ISS PBL23 END 57.02
HIERARCH ESO ISS PBLA23 START 59.7
HIERARCH ESO ISS PBLA23 END 59.8
HIERARCH ESO ISS PBL24 START 88.48
HIERARCH ESO ISS PBL24 END 88.445
HIERARCH ESO ISS PBLA24 START 30.037
HIERARCH ESO ISS PBLA24 END 30.135
HIERARCH ESO ISS PBL34 START 48.096
HIERARCH ESO ISS PBL34 END 48.099
HIERARCH ESO ISS PBLA34 START 354.046
HIERARCH ESO ISS PBLA34 END 354.151
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