Exposure
ID
MATIS.2025-09-23T23:53:43.000_1
Header ID
MATIS.2025-09-23T23:53:43.000
Date updated
2025-09-24 00:01:04 UTC+0000
Release date
2025-09-23 23:53:42 UTC+0000
UTC Start
2025-09-23 23:53:43.000
UTC End
2025-09-23 23:54:43.008
MJD Start
60941.99563657
MJD End
60941.99633110704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.008262
Ambient temperature (°C)
15.2
Seeing (arcsec)
0.71
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 89.9750 89.9450 124.1000 124.2000
A0-J2 126.6390 126.5460 101.2000 101.4000
A0-K0 123.7200 123.6010 79.0760 79.2140
G1-J2 55.9960 55.9440 62.6000 62.7000
G1-K0 87.5260 87.4800 32.4460 32.5480
J2-K0 48.1460 48.1480 356.7330 356.8510
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 60941.99563657
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 89.975
HIERARCH ESO ISS PBL12 END 89.945
HIERARCH ESO ISS PBLA12 START 124.1
HIERARCH ESO ISS PBLA12 END 124.2
HIERARCH ESO ISS PBL13 START 126.639
HIERARCH ESO ISS PBL13 END 126.546
HIERARCH ESO ISS PBLA13 START 101.2
HIERARCH ESO ISS PBLA13 END 101.4
HIERARCH ESO ISS PBL14 START 123.72
HIERARCH ESO ISS PBL14 END 123.601
HIERARCH ESO ISS PBLA14 START 79.076
HIERARCH ESO ISS PBLA14 END 79.214
HIERARCH ESO ISS PBL23 START 55.996
HIERARCH ESO ISS PBL23 END 55.944
HIERARCH ESO ISS PBLA23 START 62.6
HIERARCH ESO ISS PBLA23 END 62.7
HIERARCH ESO ISS PBL24 START 87.526
HIERARCH ESO ISS PBL24 END 87.48
HIERARCH ESO ISS PBLA24 START 32.446
HIERARCH ESO ISS PBLA24 END 32.548
HIERARCH ESO ISS PBL34 START 48.146
HIERARCH ESO ISS PBL34 END 48.148
HIERARCH ESO ISS PBLA34 START 356.733
HIERARCH ESO ISS PBLA34 END 356.851
HIERARCH ESO ISS AMBI TAU0 START 0.008262
HIERARCH ESO ISS AMBI TAU0 END 0.008262
HIERARCH ESO ISS AMBI TEMP 15.2
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.77