Exposure
ID
MATIS.2025-07-17T05:55:58.902_1
Header ID
MATIS.2025-07-17T05:55:58.902
Date updated
2025-07-17 06:01:05 UTC+0000
Release date
2025-07-17 05:55:58 UTC+0000
UTC Start
2025-07-17 05:55:58.902
UTC End
2025-07-17 05:56:58.910
MJD Start
60873.24720951
MJD End
60873.24790404704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0043525000000000005
Ambient temperature (°C)
13.85
Seeing (arcsec)
1.04
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 84.9330 84.8590 140.0000 140.2000
A0-J2 112.7140 112.5060 116.5000 116.7000
A0-K0 106.6780 106.4180 91.3540 91.5020
G1-J2 48.6810 48.5690 72.2000 72.3000
G1-K0 81.4420 81.3490 39.7840 39.8490
J2-K0 48.0710 48.0680 6.8760 6.9870
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 60873.24720951
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 84.933
HIERARCH ESO ISS PBL12 END 84.859
HIERARCH ESO ISS PBLA12 START 140.0
HIERARCH ESO ISS PBLA12 END 140.2
HIERARCH ESO ISS PBL13 START 112.714
HIERARCH ESO ISS PBL13 END 112.506
HIERARCH ESO ISS PBLA13 START 116.5
HIERARCH ESO ISS PBLA13 END 116.7
HIERARCH ESO ISS PBL14 START 106.678
HIERARCH ESO ISS PBL14 END 106.418
HIERARCH ESO ISS PBLA14 START 91.354
HIERARCH ESO ISS PBLA14 END 91.502
HIERARCH ESO ISS PBL23 START 48.681
HIERARCH ESO ISS PBL23 END 48.569
HIERARCH ESO ISS PBLA23 START 72.2
HIERARCH ESO ISS PBLA23 END 72.3
HIERARCH ESO ISS PBL24 START 81.442
HIERARCH ESO ISS PBL24 END 81.349
HIERARCH ESO ISS PBLA24 START 39.784
HIERARCH ESO ISS PBLA24 END 39.849
HIERARCH ESO ISS PBL34 START 48.071
HIERARCH ESO ISS PBL34 END 48.068
HIERARCH ESO ISS PBLA34 START 6.876
HIERARCH ESO ISS PBLA34 END 6.987
HIERARCH ESO ISS AMBI TAU0 START 0.004044
HIERARCH ESO ISS AMBI TAU0 END 0.004661
HIERARCH ESO ISS AMBI TEMP 13.85
HIERARCH ESO ISS AMBI FWHM START 1.02
HIERARCH ESO ISS AMBI FWHM END 1.06