Exposure
ID
MATIS.2025-06-27T01:44:13.304_1
Header ID
MATIS.2025-06-27T01:44:13.304
Date updated
2025-06-27 01:50:59 UTC+0000
Release date
2025-06-27 01:44:13 UTC+0000
UTC Start
2025-06-27 01:44:13.304
UTC End
2025-06-27 01:45:13.364
MJD Start
60853.0723762
MJD End
60853.073071338884
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0020875
Ambient temperature (°C)
6.31
Seeing (arcsec)
0.64
Observation
ID
68239
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
50715
Name
nu. Oph
RA
269.755462
DEC
-9.77429
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 24.5200 24.5380 135.4000 135.4000
A0-D0 24.5850 24.6600 57.7000 57.9000
A0-C1 19.7830 19.8270 111.5530 111.5450
B2-D0 30.7930 30.8000 6.6000 6.8000
B2-C1 10.2590 10.2620 6.6090 6.7640
D0-C1 20.5340 20.5380 186.6680 186.8240
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 60853.0723762
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME nu. Oph
RA 269.755462
DEC -9.77429
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 24.52
HIERARCH ESO ISS PBL12 END 24.538
HIERARCH ESO ISS PBLA12 START 135.4
HIERARCH ESO ISS PBLA12 END 135.4
HIERARCH ESO ISS PBL13 START 24.585
HIERARCH ESO ISS PBL13 END 24.66
HIERARCH ESO ISS PBLA13 START 57.7
HIERARCH ESO ISS PBLA13 END 57.9
HIERARCH ESO ISS PBL14 START 19.783
HIERARCH ESO ISS PBL14 END 19.827
HIERARCH ESO ISS PBLA14 START 111.553
HIERARCH ESO ISS PBLA14 END 111.545
HIERARCH ESO ISS PBL23 START 30.793
HIERARCH ESO ISS PBL23 END 30.8
HIERARCH ESO ISS PBLA23 START 6.6
HIERARCH ESO ISS PBLA23 END 6.8
HIERARCH ESO ISS PBL24 START 10.259
HIERARCH ESO ISS PBL24 END 10.262
HIERARCH ESO ISS PBLA24 START 6.609
HIERARCH ESO ISS PBLA24 END 6.764
HIERARCH ESO ISS PBL34 START 20.534
HIERARCH ESO ISS PBL34 END 20.538
HIERARCH ESO ISS PBLA34 START 186.668
HIERARCH ESO ISS PBLA34 END 186.824
HIERARCH ESO ISS AMBI TAU0 START 0.00217
HIERARCH ESO ISS AMBI TAU0 END 0.002005
HIERARCH ESO ISS AMBI TEMP 6.31
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.67