Exposure
ID
MATIS.2025-09-22T01:30:56.674_1
Header ID
MATIS.2025-09-22T01:30:56.674
Date updated
2025-09-22 01:41:06 UTC+0000
Release date
2025-09-22 01:30:56 UTC+0000
UTC Start
2025-09-22 01:30:56.674
UTC End
2025-09-22 01:31:56.638
MJD Start
60940.06315595
MJD End
60940.06384997778
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003131
Ambient temperature (°C)
12.23
Seeing (arcsec)
0.67
Observation
ID
70485
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
52267
Name
del Sgr
RA
275.247447
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 82.7400 82.6480 139.2000 139.4000
A0-J2 110.1200 109.8820 114.4000 114.5000
A0-K0 106.2510 105.9750 88.5340 88.6570
G1-J2 49.3180 49.2060 69.6000 69.7000
G1-K0 83.5830 83.4990 38.5890 38.6430
J2-K0 48.5080 48.5070 6.9900 7.1000
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 60940.06315595
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247447
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 82.74
HIERARCH ESO ISS PBL12 END 82.648
HIERARCH ESO ISS PBLA12 START 139.2
HIERARCH ESO ISS PBLA12 END 139.4
HIERARCH ESO ISS PBL13 START 110.12
HIERARCH ESO ISS PBL13 END 109.882
HIERARCH ESO ISS PBLA13 START 114.4
HIERARCH ESO ISS PBLA13 END 114.5
HIERARCH ESO ISS PBL14 START 106.251
HIERARCH ESO ISS PBL14 END 105.975
HIERARCH ESO ISS PBLA14 START 88.534
HIERARCH ESO ISS PBLA14 END 88.657
HIERARCH ESO ISS PBL23 START 49.318
HIERARCH ESO ISS PBL23 END 49.206
HIERARCH ESO ISS PBLA23 START 69.6
HIERARCH ESO ISS PBLA23 END 69.7
HIERARCH ESO ISS PBL24 START 83.583
HIERARCH ESO ISS PBL24 END 83.499
HIERARCH ESO ISS PBLA24 START 38.589
HIERARCH ESO ISS PBLA24 END 38.643
HIERARCH ESO ISS PBL34 START 48.508
HIERARCH ESO ISS PBL34 END 48.507
HIERARCH ESO ISS PBLA34 START 6.99
HIERARCH ESO ISS PBLA34 END 7.1
HIERARCH ESO ISS AMBI TAU0 START 0.002933
HIERARCH ESO ISS AMBI TAU0 END 0.003329
HIERARCH ESO ISS AMBI TEMP 12.23
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.67