Exposure
ID
MATIS.2025-06-27T23:59:11.079_1
Header ID
MATIS.2025-06-27T23:59:11.079
Date updated
2025-06-28 00:06:51 UTC+0000
Release date
2025-06-27 23:59:11 UTC+0000
UTC Start
2025-06-27 23:59:11.079
UTC End
2025-06-28 00:00:11.087
MJD Start
60853.99943379
MJD End
60854.00012832704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0027255
Ambient temperature (°C)
6.98
Seeing (arcsec)
0.565
Observation
ID
68240
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
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 21.5870 21.6250 138.9000 138.8000
A0-D0 16.9800 17.0450 32.8000 33.1000
A0-C1 13.9290 13.9990 115.9100 115.8140
B2-D0 30.9400 30.9300 350.7000 350.8000
B2-C1 10.3090 10.3060 350.6510 350.8060
D0-C1 20.6310 20.6240 170.6860 170.8410
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 60853.99943379
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME nu. Oph
RA 269.755462
DEC -9.77429
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN 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 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 21.587
HIERARCH ESO ISS PBL12 END 21.625
HIERARCH ESO ISS PBLA12 START 138.9
HIERARCH ESO ISS PBLA12 END 138.8
HIERARCH ESO ISS PBL13 START 16.98
HIERARCH ESO ISS PBL13 END 17.045
HIERARCH ESO ISS PBLA13 START 32.8
HIERARCH ESO ISS PBLA13 END 33.1
HIERARCH ESO ISS PBL14 START 13.929
HIERARCH ESO ISS PBL14 END 13.999
HIERARCH ESO ISS PBLA14 START 115.91
HIERARCH ESO ISS PBLA14 END 115.814
HIERARCH ESO ISS PBL23 START 30.94
HIERARCH ESO ISS PBL23 END 30.93
HIERARCH ESO ISS PBLA23 START 350.7
HIERARCH ESO ISS PBLA23 END 350.8
HIERARCH ESO ISS PBL24 START 10.309
HIERARCH ESO ISS PBL24 END 10.306
HIERARCH ESO ISS PBLA24 START 350.651
HIERARCH ESO ISS PBLA24 END 350.806
HIERARCH ESO ISS PBL34 START 20.631
HIERARCH ESO ISS PBL34 END 20.624
HIERARCH ESO ISS PBLA34 START 170.686
HIERARCH ESO ISS PBLA34 END 170.841
HIERARCH ESO ISS AMBI TAU0 START 0.002738
HIERARCH ESO ISS AMBI TAU0 END 0.002713
HIERARCH ESO ISS AMBI TEMP 6.98
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.55