Exposure
ID
MATIS.2025-06-16T07:14:43.235_1
Header ID
MATIS.2025-06-16T07:14:43.235
Date updated
2025-06-16 07:22:23 UTC+0000
Release date
2025-06-16 07:14:43 UTC+0000
UTC Start
2025-06-16 07:14:43.235
UTC End
2025-06-16 07:15:43.295
MJD Start
60842.30188929
MJD End
60842.302584428886
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.001124
Ambient temperature (°C)
7.3
Seeing (arcsec)
2.59
Observation
ID
68121
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
50633
Name
del Sgr
RA
275.247445
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 86.2920 86.2130 131.5000 131.7000
A0-J2 118.8560 118.6690 107.5000 107.7000
A0-K0 116.1170 115.9090 83.6880 83.8050
G1-J2 53.3010 53.2180 66.2000 66.3000
G1-K0 86.5120 86.4520 35.9880 36.0610
J2-K0 48.5520 48.5520 2.4300 2.5440
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 60842.30188929
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247445
DEC -29.82826
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL 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 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 86.292
HIERARCH ESO ISS PBL12 END 86.213
HIERARCH ESO ISS PBLA12 START 131.5
HIERARCH ESO ISS PBLA12 END 131.7
HIERARCH ESO ISS PBL13 START 118.856
HIERARCH ESO ISS PBL13 END 118.669
HIERARCH ESO ISS PBLA13 START 107.5
HIERARCH ESO ISS PBLA13 END 107.7
HIERARCH ESO ISS PBL14 START 116.117
HIERARCH ESO ISS PBL14 END 115.909
HIERARCH ESO ISS PBLA14 START 83.688
HIERARCH ESO ISS PBLA14 END 83.805
HIERARCH ESO ISS PBL23 START 53.301
HIERARCH ESO ISS PBL23 END 53.218
HIERARCH ESO ISS PBLA23 START 66.2
HIERARCH ESO ISS PBLA23 END 66.3
HIERARCH ESO ISS PBL24 START 86.512
HIERARCH ESO ISS PBL24 END 86.452
HIERARCH ESO ISS PBLA24 START 35.988
HIERARCH ESO ISS PBLA24 END 36.061
HIERARCH ESO ISS PBL34 START 48.552
HIERARCH ESO ISS PBL34 END 48.552
HIERARCH ESO ISS PBLA34 START 2.43
HIERARCH ESO ISS PBLA34 END 2.544
HIERARCH ESO ISS AMBI TAU0 START 0.001124
HIERARCH ESO ISS AMBI TAU0 END 0.001124
HIERARCH ESO ISS AMBI TEMP 7.3
HIERARCH ESO ISS AMBI FWHM START 2.59
HIERARCH ESO ISS AMBI FWHM END 2.59