Exposure
ID
MATIS.2025-08-16T05:10:03.391_1
Header ID
MATIS.2025-08-16T05:10:03.391
Date updated
2025-08-16 05:20:44 UTC+0000
Release date
2025-08-16 05:10:03 UTC+0000
UTC Start
2025-08-16 05:10:03.391
UTC End
2025-08-16 05:11:03.451
MJD Start
60903.21531702
MJD End
60903.21601215889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.002624
Ambient temperature (°C)
9.39
Seeing (arcsec)
0.94
Observation
ID
70031
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
51957
Name
del Sgr
RA
275.248726
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 47.8210 47.6740 308.8000 309.1000
K0-D0 61.9050 61.6250 278.7000 278.8000
K0-J3 56.2510 56.2530 3.2140 3.3650
G2-D0 31.5930 31.5210 229.2000 229.3000
G2-J3 48.1730 48.0340 57.0570 57.0780
D0-J3 79.5880 79.3780 53.9600 53.9780
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 60903.21531702
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.248726
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 47.821
HIERARCH ESO ISS PBL12 END 47.674
HIERARCH ESO ISS PBLA12 START 308.8
HIERARCH ESO ISS PBLA12 END 309.1
HIERARCH ESO ISS PBL13 START 61.905
HIERARCH ESO ISS PBL13 END 61.625
HIERARCH ESO ISS PBLA13 START 278.7
HIERARCH ESO ISS PBLA13 END 278.8
HIERARCH ESO ISS PBL14 START 56.251
HIERARCH ESO ISS PBL14 END 56.253
HIERARCH ESO ISS PBLA14 START 3.214
HIERARCH ESO ISS PBLA14 END 3.365
HIERARCH ESO ISS PBL23 START 31.593
HIERARCH ESO ISS PBL23 END 31.521
HIERARCH ESO ISS PBLA23 START 229.2
HIERARCH ESO ISS PBLA23 END 229.3
HIERARCH ESO ISS PBL24 START 48.173
HIERARCH ESO ISS PBL24 END 48.034
HIERARCH ESO ISS PBLA24 START 57.057
HIERARCH ESO ISS PBLA24 END 57.078
HIERARCH ESO ISS PBL34 START 79.588
HIERARCH ESO ISS PBL34 END 79.378
HIERARCH ESO ISS PBLA34 START 53.96
HIERARCH ESO ISS PBLA34 END 53.978
HIERARCH ESO ISS AMBI TAU0 START 0.002624
HIERARCH ESO ISS AMBI TAU0 END 0.002624
HIERARCH ESO ISS AMBI TEMP 9.39
HIERARCH ESO ISS AMBI FWHM START 0.94
HIERARCH ESO ISS AMBI FWHM END 0.94