Exposure
ID
MATIS.2025-06-18T03:43:32.498_1
Header ID
MATIS.2025-06-18T03:43:32.498
Date updated
2025-06-18 03:50:47 UTC+0000
Release date
2025-06-18 03:43:32 UTC+0000
UTC Start
2025-06-18 03:43:32.498
UTC End
2025-06-18 03:44:32.506
MJD Start
60844.15523725
MJD End
60844.15593178704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0026925
Ambient temperature (°C)
7.06
Seeing (arcsec)
0.775
Observation
ID
68118
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
50632
Name
eps Sgr
RA
276.041375
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 83.2150 83.3410 103.5000 103.6000
A0-J2 121.0820 121.2440 78.6000 78.8000
A0-K0 123.6930 123.7930 56.4760 56.6500
G1-J2 57.4350 57.4580 41.1000 41.3000
G1-K0 90.4420 90.4400 14.2020 14.3400
J2-K0 47.0620 47.0770 340.6690 340.7610
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 60844.15523725
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041375
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 83.215
HIERARCH ESO ISS PBL12 END 83.341
HIERARCH ESO ISS PBLA12 START 103.5
HIERARCH ESO ISS PBLA12 END 103.6
HIERARCH ESO ISS PBL13 START 121.082
HIERARCH ESO ISS PBL13 END 121.244
HIERARCH ESO ISS PBLA13 START 78.6
HIERARCH ESO ISS PBLA13 END 78.8
HIERARCH ESO ISS PBL14 START 123.693
HIERARCH ESO ISS PBL14 END 123.793
HIERARCH ESO ISS PBLA14 START 56.476
HIERARCH ESO ISS PBLA14 END 56.65
HIERARCH ESO ISS PBL23 START 57.435
HIERARCH ESO ISS PBL23 END 57.458
HIERARCH ESO ISS PBLA23 START 41.1
HIERARCH ESO ISS PBLA23 END 41.3
HIERARCH ESO ISS PBL24 START 90.442
HIERARCH ESO ISS PBL24 END 90.44
HIERARCH ESO ISS PBLA24 START 14.202
HIERARCH ESO ISS PBLA24 END 14.34
HIERARCH ESO ISS PBL34 START 47.062
HIERARCH ESO ISS PBL34 END 47.077
HIERARCH ESO ISS PBLA34 START 340.669
HIERARCH ESO ISS PBLA34 END 340.761
HIERARCH ESO ISS AMBI TAU0 START 0.002658
HIERARCH ESO ISS AMBI TAU0 END 0.002727
HIERARCH ESO ISS AMBI TEMP 7.06
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.77