Exposure
ID
MATIS.2025-07-17T05:54:36.676_1
Header ID
MATIS.2025-07-17T05:54:36.676
Date updated
2025-07-17 06:06:07 UTC+0000
Release date
2025-07-17 05:54:36 UTC+0000
UTC Start
2025-07-17 05:54:36.676
UTC End
2025-07-17 05:55:36.684
MJD Start
60873.24625782
MJD End
60873.24695235704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.00413
Ambient temperature (°C)
13.9
Seeing (arcsec)
0.955
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 85.0310 84.9580 139.8000 140.0000
A0-J2 112.9920 112.7850 116.2000 116.4000
A0-K0 107.0260 106.7670 91.1570 91.3040
G1-J2 48.8310 48.7200 72.1000 72.2000
G1-K0 81.5660 81.4740 39.6950 39.7610
J2-K0 48.0760 48.0720 6.7260 6.8370
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 60873.24625782
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 85.031
HIERARCH ESO ISS PBL12 END 84.958
HIERARCH ESO ISS PBLA12 START 139.8
HIERARCH ESO ISS PBLA12 END 140.0
HIERARCH ESO ISS PBL13 START 112.992
HIERARCH ESO ISS PBL13 END 112.785
HIERARCH ESO ISS PBLA13 START 116.2
HIERARCH ESO ISS PBLA13 END 116.4
HIERARCH ESO ISS PBL14 START 107.026
HIERARCH ESO ISS PBL14 END 106.767
HIERARCH ESO ISS PBLA14 START 91.157
HIERARCH ESO ISS PBLA14 END 91.304
HIERARCH ESO ISS PBL23 START 48.831
HIERARCH ESO ISS PBL23 END 48.72
HIERARCH ESO ISS PBLA23 START 72.1
HIERARCH ESO ISS PBLA23 END 72.2
HIERARCH ESO ISS PBL24 START 81.566
HIERARCH ESO ISS PBL24 END 81.474
HIERARCH ESO ISS PBLA24 START 39.695
HIERARCH ESO ISS PBLA24 END 39.761
HIERARCH ESO ISS PBL34 START 48.076
HIERARCH ESO ISS PBL34 END 48.072
HIERARCH ESO ISS PBLA34 START 6.726
HIERARCH ESO ISS PBLA34 END 6.837
HIERARCH ESO ISS AMBI TAU0 START 0.004216
HIERARCH ESO ISS AMBI TAU0 END 0.004044
HIERARCH ESO ISS AMBI TEMP 13.9
HIERARCH ESO ISS AMBI FWHM START 0.96
HIERARCH ESO ISS AMBI FWHM END 0.95