Exposure
ID
MATIS.2025-06-21T07:40:47.482_1
Header ID
MATIS.2025-06-21T07:40:47.482
Date updated
2025-06-21 07:51:24 UTC+0000
Release date
2025-06-21 07:40:47 UTC+0000
UTC Start
2025-06-21 07:40:47.482
UTC End
2025-06-21 07:41:47.490
MJD Start
60847.31999401
MJD End
60847.32068854704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.00299
Ambient temperature (°C)
11.27
Seeing (arcsec)
0.52
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 57.5390 57.4080 293.7000 293.9000
K0-D0 78.8260 78.6150 269.0000 269.2000
K0-J3 56.3010 56.2990 352.9810 353.1280
G2-D0 35.7740 35.7230 226.9000 227.0000
G2-J3 56.3210 56.2220 54.4320 54.4870
D0-J3 91.9060 91.7570 51.5120 51.5650
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 60847.31999401
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 57.539
HIERARCH ESO ISS PBL12 END 57.408
HIERARCH ESO ISS PBLA12 START 293.7
HIERARCH ESO ISS PBLA12 END 293.9
HIERARCH ESO ISS PBL13 START 78.826
HIERARCH ESO ISS PBL13 END 78.615
HIERARCH ESO ISS PBLA13 START 269.0
HIERARCH ESO ISS PBLA13 END 269.2
HIERARCH ESO ISS PBL14 START 56.301
HIERARCH ESO ISS PBL14 END 56.299
HIERARCH ESO ISS PBLA14 START 352.981
HIERARCH ESO ISS PBLA14 END 353.128
HIERARCH ESO ISS PBL23 START 35.774
HIERARCH ESO ISS PBL23 END 35.723
HIERARCH ESO ISS PBLA23 START 226.9
HIERARCH ESO ISS PBLA23 END 227.0
HIERARCH ESO ISS PBL24 START 56.321
HIERARCH ESO ISS PBL24 END 56.222
HIERARCH ESO ISS PBLA24 START 54.432
HIERARCH ESO ISS PBLA24 END 54.487
HIERARCH ESO ISS PBL34 START 91.906
HIERARCH ESO ISS PBL34 END 91.757
HIERARCH ESO ISS PBLA34 START 51.512
HIERARCH ESO ISS PBLA34 END 51.565
HIERARCH ESO ISS AMBI TAU0 START 0.002703
HIERARCH ESO ISS AMBI TAU0 END 0.003277
HIERARCH ESO ISS AMBI TEMP 11.27
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.52