Exposure
ID
MATIS.2025-09-22T00:50:11.612_1
Header ID
MATIS.2025-09-22T00:50:11.612
Date updated
2025-09-22 01:01:02 UTC+0000
Release date
2025-09-22 00:50:11 UTC+0000
UTC Start
2025-09-22 00:50:11.612
UTC End
2025-09-22 00:51:11.620
MJD Start
60940.03485662
MJD End
60940.03555115704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004997
Ambient temperature (°C)
11.92
Seeing (arcsec)
0.625
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 87.7670 87.7070 132.1000 132.3000
A0-J2 120.4820 120.3190 108.9000 109.0000
A0-K0 116.1930 115.9960 85.4870 85.6230
G1-J2 52.7540 52.6700 67.9000 68.0000
G1-K0 84.8060 84.7370 36.7210 36.8020
J2-K0 48.1580 48.1570 2.1790 2.2930
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 60940.03485662
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 87.767
HIERARCH ESO ISS PBL12 END 87.707
HIERARCH ESO ISS PBLA12 START 132.1
HIERARCH ESO ISS PBLA12 END 132.3
HIERARCH ESO ISS PBL13 START 120.482
HIERARCH ESO ISS PBL13 END 120.319
HIERARCH ESO ISS PBLA13 START 108.9
HIERARCH ESO ISS PBLA13 END 109.0
HIERARCH ESO ISS PBL14 START 116.193
HIERARCH ESO ISS PBL14 END 115.996
HIERARCH ESO ISS PBLA14 START 85.487
HIERARCH ESO ISS PBLA14 END 85.623
HIERARCH ESO ISS PBL23 START 52.754
HIERARCH ESO ISS PBL23 END 52.67
HIERARCH ESO ISS PBLA23 START 67.9
HIERARCH ESO ISS PBLA23 END 68.0
HIERARCH ESO ISS PBL24 START 84.806
HIERARCH ESO ISS PBL24 END 84.737
HIERARCH ESO ISS PBLA24 START 36.721
HIERARCH ESO ISS PBLA24 END 36.802
HIERARCH ESO ISS PBL34 START 48.158
HIERARCH ESO ISS PBL34 END 48.157
HIERARCH ESO ISS PBLA34 START 2.179
HIERARCH ESO ISS PBLA34 END 2.293
HIERARCH ESO ISS AMBI TAU0 START 0.004795
HIERARCH ESO ISS AMBI TAU0 END 0.005199
HIERARCH ESO ISS AMBI TEMP 11.92
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.6