Exposure
ID
MATIS.2025-09-24T00:46:29.961_1
Header ID
MATIS.2025-09-24T00:46:29.961
Date updated
2025-09-24 00:55:39 UTC+0000
Release date
2025-09-24 00:46:29 UTC+0000
UTC Start
2025-09-24 00:46:29.961
UTC End
2025-09-24 00:47:29.969
MJD Start
60942.03229122
MJD End
60942.03298575704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.006710000000000001
Ambient temperature (°C)
15.48
Seeing (arcsec)
0.655
Observation
ID
70486
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
52267
Name
del Sgr
RA
275.247447
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 85.8990 85.8170 132.4000 132.6000
A0-J2 117.9210 117.7270 108.3000 108.4000
A0-K0 115.0810 114.8650 84.2580 84.3720
G1-J2 52.8860 52.7990 66.6000 66.7000
G1-K0 86.2100 86.1460 36.3370 36.4060
J2-K0 48.5500 48.5490 2.9840 3.0950
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 60942.03229122
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247447
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 85.899
HIERARCH ESO ISS PBL12 END 85.817
HIERARCH ESO ISS PBLA12 START 132.4
HIERARCH ESO ISS PBLA12 END 132.6
HIERARCH ESO ISS PBL13 START 117.921
HIERARCH ESO ISS PBL13 END 117.727
HIERARCH ESO ISS PBLA13 START 108.3
HIERARCH ESO ISS PBLA13 END 108.4
HIERARCH ESO ISS PBL14 START 115.081
HIERARCH ESO ISS PBL14 END 114.865
HIERARCH ESO ISS PBLA14 START 84.258
HIERARCH ESO ISS PBLA14 END 84.372
HIERARCH ESO ISS PBL23 START 52.886
HIERARCH ESO ISS PBL23 END 52.799
HIERARCH ESO ISS PBLA23 START 66.6
HIERARCH ESO ISS PBLA23 END 66.7
HIERARCH ESO ISS PBL24 START 86.21
HIERARCH ESO ISS PBL24 END 86.146
HIERARCH ESO ISS PBLA24 START 36.337
HIERARCH ESO ISS PBLA24 END 36.406
HIERARCH ESO ISS PBL34 START 48.55
HIERARCH ESO ISS PBL34 END 48.549
HIERARCH ESO ISS PBLA34 START 2.984
HIERARCH ESO ISS PBLA34 END 3.095
HIERARCH ESO ISS AMBI TAU0 START 0.007853
HIERARCH ESO ISS AMBI TAU0 END 0.005567
HIERARCH ESO ISS AMBI TEMP 15.48
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.73