Exposure
ID
MATIS.2025-07-17T06:06:51.920_1
Header ID
MATIS.2025-07-17T06:06:51.920
Date updated
2025-07-17 06:16:01 UTC+0000
Release date
2025-07-17 06:06:51 UTC+0000
UTC Start
2025-07-17 06:06:51.920
UTC End
2025-07-17 06:07:51.928
MJD Start
60873.25476759
MJD End
60873.25546212704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003572
Ambient temperature (°C)
13.86
Seeing (arcsec)
0.935
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 84.1360 84.0610 142.3000 142.5000
A0-J2 110.4430 110.2270 118.6000 118.8000
A0-K0 103.8210 103.5460 92.9530 93.1040
G1-J2 47.4480 47.3290 73.3000 73.4000
G1-K0 80.4180 80.3190 40.4630 40.5240
J2-K0 48.0320 48.0280 8.0620 8.1730
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 60873.25476759
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 84.136
HIERARCH ESO ISS PBL12 END 84.061
HIERARCH ESO ISS PBLA12 START 142.3
HIERARCH ESO ISS PBLA12 END 142.5
HIERARCH ESO ISS PBL13 START 110.443
HIERARCH ESO ISS PBL13 END 110.227
HIERARCH ESO ISS PBLA13 START 118.6
HIERARCH ESO ISS PBLA13 END 118.8
HIERARCH ESO ISS PBL14 START 103.821
HIERARCH ESO ISS PBL14 END 103.546
HIERARCH ESO ISS PBLA14 START 92.953
HIERARCH ESO ISS PBLA14 END 93.104
HIERARCH ESO ISS PBL23 START 47.448
HIERARCH ESO ISS PBL23 END 47.329
HIERARCH ESO ISS PBLA23 START 73.3
HIERARCH ESO ISS PBLA23 END 73.4
HIERARCH ESO ISS PBL24 START 80.418
HIERARCH ESO ISS PBL24 END 80.319
HIERARCH ESO ISS PBLA24 START 40.463
HIERARCH ESO ISS PBLA24 END 40.524
HIERARCH ESO ISS PBL34 START 48.032
HIERARCH ESO ISS PBL34 END 48.028
HIERARCH ESO ISS PBLA34 START 8.062
HIERARCH ESO ISS PBLA34 END 8.173
HIERARCH ESO ISS AMBI TAU0 START 0.003572
HIERARCH ESO ISS AMBI TAU0 END 0.003572
HIERARCH ESO ISS AMBI TEMP 13.86
HIERARCH ESO ISS AMBI FWHM START 1.05
HIERARCH ESO ISS AMBI FWHM END 0.82