Exposure
ID
MATIS.2025-07-16T04:10:34.969_1
Header ID
MATIS.2025-07-16T04:10:34.969
Date updated
2025-07-16 04:20:58 UTC+0000
Release date
2025-07-16 04:10:34 UTC+0000
UTC Start
2025-07-16 04:10:34.969
UTC End
2025-07-16 04:11:34.977
MJD Start
60872.17401585
MJD End
60872.174710387044
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003855
Ambient temperature (°C)
12.71
Seeing (arcsec)
0.71
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 90.3820 90.3670 121.3000 121.5000
A0-J2 128.0530 127.9890 98.5000 98.6000
A0-K0 125.5840 125.4950 76.6640 76.7920
G1-J2 56.8330 56.7920 60.4000 60.5000
G1-K0 88.2710 88.2340 30.6400 30.7370
J2-K0 48.1120 48.1140 354.6970 354.8030
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 60872.17401585
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 90.382
HIERARCH ESO ISS PBL12 END 90.367
HIERARCH ESO ISS PBLA12 START 121.3
HIERARCH ESO ISS PBLA12 END 121.5
HIERARCH ESO ISS PBL13 START 128.053
HIERARCH ESO ISS PBL13 END 127.989
HIERARCH ESO ISS PBLA13 START 98.5
HIERARCH ESO ISS PBLA13 END 98.6
HIERARCH ESO ISS PBL14 START 125.584
HIERARCH ESO ISS PBL14 END 125.495
HIERARCH ESO ISS PBLA14 START 76.664
HIERARCH ESO ISS PBLA14 END 76.792
HIERARCH ESO ISS PBL23 START 56.833
HIERARCH ESO ISS PBL23 END 56.792
HIERARCH ESO ISS PBLA23 START 60.4
HIERARCH ESO ISS PBLA23 END 60.5
HIERARCH ESO ISS PBL24 START 88.271
HIERARCH ESO ISS PBL24 END 88.234
HIERARCH ESO ISS PBLA24 START 30.64
HIERARCH ESO ISS PBLA24 END 30.737
HIERARCH ESO ISS PBL34 START 48.112
HIERARCH ESO ISS PBL34 END 48.114
HIERARCH ESO ISS PBLA34 START 354.697
HIERARCH ESO ISS PBLA34 END 354.803
HIERARCH ESO ISS AMBI TAU0 START 0.003855
HIERARCH ESO ISS AMBI TAU0 END 0.003855
HIERARCH ESO ISS AMBI TEMP 12.71
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.7