Exposure
ID
MATIS.2025-06-18T04:16:55.524_1
Header ID
MATIS.2025-06-18T04:16:55.524
Date updated
2025-06-18 04:26:20 UTC+0000
Release date
2025-06-18 04:16:55 UTC+0000
UTC Start
2025-06-18 04:16:55.524
UTC End
2025-06-18 04:17:55.488
MJD Start
60844.17842042
MJD End
60844.179114447776
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0033994999999999997
Ambient temperature (°C)
6.87
Seeing (arcsec)
0.74
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 87.6560 87.7370 109.1000 109.2000
A0-J2 125.7190 125.8330 85.2000 85.3000
A0-K0 125.8660 125.9450 63.1260 63.2710
G1-J2 57.7570 57.7770 47.3000 47.4000
G1-K0 90.4820 90.4820 18.9860 19.1140
J2-K0 48.1760 48.1830 344.3390 344.4360
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 60844.17842042
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 0.228
HIERARCH ESO DET NDIT 263
HIERARCH ESO ISS PBL12 START 87.656
HIERARCH ESO ISS PBL12 END 87.737
HIERARCH ESO ISS PBLA12 START 109.1
HIERARCH ESO ISS PBLA12 END 109.2
HIERARCH ESO ISS PBL13 START 125.719
HIERARCH ESO ISS PBL13 END 125.833
HIERARCH ESO ISS PBLA13 START 85.2
HIERARCH ESO ISS PBLA13 END 85.3
HIERARCH ESO ISS PBL14 START 125.866
HIERARCH ESO ISS PBL14 END 125.945
HIERARCH ESO ISS PBLA14 START 63.126
HIERARCH ESO ISS PBLA14 END 63.271
HIERARCH ESO ISS PBL23 START 57.757
HIERARCH ESO ISS PBL23 END 57.777
HIERARCH ESO ISS PBLA23 START 47.3
HIERARCH ESO ISS PBLA23 END 47.4
HIERARCH ESO ISS PBL24 START 90.482
HIERARCH ESO ISS PBL24 END 90.482
HIERARCH ESO ISS PBLA24 START 18.986
HIERARCH ESO ISS PBLA24 END 19.114
HIERARCH ESO ISS PBL34 START 48.176
HIERARCH ESO ISS PBL34 END 48.183
HIERARCH ESO ISS PBLA34 START 344.339
HIERARCH ESO ISS PBLA34 END 344.436
HIERARCH ESO ISS AMBI TAU0 START 0.003241
HIERARCH ESO ISS AMBI TAU0 END 0.003558
HIERARCH ESO ISS AMBI TEMP 6.87
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.7