Exposure
ID
MATIS.2025-08-16T02:25:06.311_1
Header ID
MATIS.2025-08-16T02:25:06.311
Date updated
2025-08-16 02:30:42 UTC+0000
Release date
2025-08-16 02:25:06 UTC+0000
UTC Start
2025-08-16 02:25:06.311
UTC End
2025-08-16 02:26:06.371
MJD Start
60903.10076749
MJD End
60903.10146262889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.001555
Ambient temperature (°C)
9.3
Seeing (arcsec)
1.42
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 66.6600 66.6020 279.2000 279.3000
K0-D0 93.0520 92.9630 258.1000 258.2000
K0-J3 56.5600 56.5590 339.8620 339.9840
G2-D0 39.0910 39.0700 220.2000 220.3000
G2-J3 62.8560 62.8140 47.4900 47.5760
D0-J3 101.7520 101.6900 44.7010 44.7860
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 60903.10076749
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 66.66
HIERARCH ESO ISS PBL12 END 66.602
HIERARCH ESO ISS PBLA12 START 279.2
HIERARCH ESO ISS PBLA12 END 279.3
HIERARCH ESO ISS PBL13 START 93.052
HIERARCH ESO ISS PBL13 END 92.963
HIERARCH ESO ISS PBLA13 START 258.1
HIERARCH ESO ISS PBLA13 END 258.2
HIERARCH ESO ISS PBL14 START 56.56
HIERARCH ESO ISS PBL14 END 56.559
HIERARCH ESO ISS PBLA14 START 339.862
HIERARCH ESO ISS PBLA14 END 339.984
HIERARCH ESO ISS PBL23 START 39.091
HIERARCH ESO ISS PBL23 END 39.07
HIERARCH ESO ISS PBLA23 START 220.2
HIERARCH ESO ISS PBLA23 END 220.3
HIERARCH ESO ISS PBL24 START 62.856
HIERARCH ESO ISS PBL24 END 62.814
HIERARCH ESO ISS PBLA24 START 47.49
HIERARCH ESO ISS PBLA24 END 47.576
HIERARCH ESO ISS PBL34 START 101.752
HIERARCH ESO ISS PBL34 END 101.69
HIERARCH ESO ISS PBLA34 START 44.701
HIERARCH ESO ISS PBLA34 END 44.786
HIERARCH ESO ISS AMBI TAU0 START 0.001555
HIERARCH ESO ISS AMBI TAU0 END 0.001555
HIERARCH ESO ISS AMBI TEMP 9.3
HIERARCH ESO ISS AMBI FWHM START 1.42
HIERARCH ESO ISS AMBI FWHM END 1.42