Exposure
ID
MATIS.2025-07-25T06:10:22.007_1
Header ID
MATIS.2025-07-25T06:10:22.007
Date updated
2025-07-25 06:20:56 UTC+0000
Release date
2025-07-25 06:10:22 UTC+0000
UTC Start
2025-07-25 06:10:22.007
UTC End
2025-07-25 06:11:22.067
MJD Start
60881.25719916
MJD End
60881.257894298884
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0038845
Ambient temperature (°C)
11.97
Seeing (arcsec)
0.56
Observation
ID
68970
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
51196
Name
del Sgr
RA
275.247446
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.6260 24.6230 171.7000 171.9000
A0-D0 22.9500 22.8640 94.7000 94.8000
A0-C1 19.6040 19.5820 149.3730 149.6100
B2-D0 29.6470 29.6050 40.7000 40.7000
B2-C1 9.8780 9.8640 40.6310 40.6650
D0-C1 19.7690 19.7410 220.6900 220.7240
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 60881.25719916
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247446
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 24.626
HIERARCH ESO ISS PBL12 END 24.623
HIERARCH ESO ISS PBLA12 START 171.7
HIERARCH ESO ISS PBLA12 END 171.9
HIERARCH ESO ISS PBL13 START 22.95
HIERARCH ESO ISS PBL13 END 22.864
HIERARCH ESO ISS PBLA13 START 94.7
HIERARCH ESO ISS PBLA13 END 94.8
HIERARCH ESO ISS PBL14 START 19.604
HIERARCH ESO ISS PBL14 END 19.582
HIERARCH ESO ISS PBLA14 START 149.373
HIERARCH ESO ISS PBLA14 END 149.61
HIERARCH ESO ISS PBL23 START 29.647
HIERARCH ESO ISS PBL23 END 29.605
HIERARCH ESO ISS PBLA23 START 40.7
HIERARCH ESO ISS PBLA23 END 40.7
HIERARCH ESO ISS PBL24 START 9.878
HIERARCH ESO ISS PBL24 END 9.864
HIERARCH ESO ISS PBLA24 START 40.631
HIERARCH ESO ISS PBLA24 END 40.665
HIERARCH ESO ISS PBL34 START 19.769
HIERARCH ESO ISS PBL34 END 19.741
HIERARCH ESO ISS PBLA34 START 220.69
HIERARCH ESO ISS PBLA34 END 220.724
HIERARCH ESO ISS AMBI TAU0 START 0.003976
HIERARCH ESO ISS AMBI TAU0 END 0.003793
HIERARCH ESO ISS AMBI TEMP 11.97
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.56