Exposure
ID
MATIS.2025-06-21T07:53:12.697_1
Header ID
MATIS.2025-06-21T07:53:12.697
Date updated
2025-06-21 08:00:51 UTC+0000
Release date
2025-06-21 07:53:12 UTC+0000
UTC Start
2025-06-21 07:53:12.697
UTC End
2025-06-21 07:54:12.705
MJD Start
60847.32861918
MJD End
60847.32931371704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003892
Ambient temperature (°C)
11.39
Seeing (arcsec)
0.54
Observation
ID
68185
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
50685
Name
del Sgr
RA
275.248725
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 55.9090 55.7730 296.0000 296.2000
K0-D0 76.1600 75.9340 270.6000 270.7000
K0-J3 56.2730 56.2710 354.7940 354.9430
G2-D0 35.1350 35.0800 227.5000 227.5000
G2-J3 55.0690 54.9630 55.0700 55.1190
D0-J3 90.0170 89.8560 52.1240 52.1710
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 60847.32861918
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.248725
DEC -29.82826
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 55.909
HIERARCH ESO ISS PBL12 END 55.773
HIERARCH ESO ISS PBLA12 START 296.0
HIERARCH ESO ISS PBLA12 END 296.2
HIERARCH ESO ISS PBL13 START 76.16
HIERARCH ESO ISS PBL13 END 75.934
HIERARCH ESO ISS PBLA13 START 270.6
HIERARCH ESO ISS PBLA13 END 270.7
HIERARCH ESO ISS PBL14 START 56.273
HIERARCH ESO ISS PBL14 END 56.271
HIERARCH ESO ISS PBLA14 START 354.794
HIERARCH ESO ISS PBLA14 END 354.943
HIERARCH ESO ISS PBL23 START 35.135
HIERARCH ESO ISS PBL23 END 35.08
HIERARCH ESO ISS PBLA23 START 227.5
HIERARCH ESO ISS PBLA23 END 227.5
HIERARCH ESO ISS PBL24 START 55.069
HIERARCH ESO ISS PBL24 END 54.963
HIERARCH ESO ISS PBLA24 START 55.07
HIERARCH ESO ISS PBLA24 END 55.119
HIERARCH ESO ISS PBL34 START 90.017
HIERARCH ESO ISS PBL34 END 89.856
HIERARCH ESO ISS PBLA34 START 52.124
HIERARCH ESO ISS PBLA34 END 52.171
HIERARCH ESO ISS AMBI TAU0 START 0.003892
HIERARCH ESO ISS AMBI TAU0 END 0.003892
HIERARCH ESO ISS AMBI TEMP 11.39
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.54