Exposure
ID
MATIS.2025-09-22T00:52:15.858_1
Header ID
MATIS.2025-09-22T00:52:15.858
Date updated
2025-09-22 01:01:02 UTC+0000
Release date
2025-09-22 00:52:15 UTC+0000
UTC Start
2025-09-22 00:52:15.858
UTC End
2025-09-22 00:53:15.866
MJD Start
60940.03629465
MJD End
60940.03698918704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.005199
Ambient temperature (°C)
11.98
Seeing (arcsec)
0.55
Observation
ID
70484
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
52266
Name
eps Sgr
RA
276.041372
DEC
-34.38533
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 87.6440 87.5820 132.5000 132.6000
A0-J2 120.1490 119.9810 109.2000 109.4000
A0-K0 115.7910 115.5870 85.7640 85.9020
G1-J2 52.5820 52.4950 68.1000 68.2000
G1-K0 84.6650 84.5930 36.8860 36.9670
J2-K0 48.1560 48.1550 2.4100 2.5260
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 60940.03629465
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041372
DEC -34.38533
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 87.644
HIERARCH ESO ISS PBL12 END 87.582
HIERARCH ESO ISS PBLA12 START 132.5
HIERARCH ESO ISS PBLA12 END 132.6
HIERARCH ESO ISS PBL13 START 120.149
HIERARCH ESO ISS PBL13 END 119.981
HIERARCH ESO ISS PBLA13 START 109.2
HIERARCH ESO ISS PBLA13 END 109.4
HIERARCH ESO ISS PBL14 START 115.791
HIERARCH ESO ISS PBL14 END 115.587
HIERARCH ESO ISS PBLA14 START 85.764
HIERARCH ESO ISS PBLA14 END 85.902
HIERARCH ESO ISS PBL23 START 52.582
HIERARCH ESO ISS PBL23 END 52.495
HIERARCH ESO ISS PBLA23 START 68.1
HIERARCH ESO ISS PBLA23 END 68.2
HIERARCH ESO ISS PBL24 START 84.665
HIERARCH ESO ISS PBL24 END 84.593
HIERARCH ESO ISS PBLA24 START 36.886
HIERARCH ESO ISS PBLA24 END 36.967
HIERARCH ESO ISS PBL34 START 48.156
HIERARCH ESO ISS PBL34 END 48.155
HIERARCH ESO ISS PBLA34 START 2.41
HIERARCH ESO ISS PBLA34 END 2.526
HIERARCH ESO ISS AMBI TAU0 START 0.005199
HIERARCH ESO ISS AMBI TAU0 END 0.005199
HIERARCH ESO ISS AMBI TEMP 11.98
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.53