Exposure
ID
MATIS.2025-07-16T05:00:58.623_1
Header ID
MATIS.2025-07-16T05:00:58.623
Date updated
2025-07-16 05:10:52 UTC+0000
Release date
2025-07-16 05:00:58 UTC+0000
UTC Start
2025-07-16 05:00:58.623
UTC End
2025-07-16 05:01:58.631
MJD Start
60872.20901184
MJD End
60872.20970637704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003541
Ambient temperature (°C)
11.95
Seeing (arcsec)
0.81
Observation
ID
68814
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
51196
Name
del Sgr
RA
275.247446
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 87.4500 87.3790 128.9000 129.1000
A0-J2 121.5760 121.4090 105.2000 105.3000
A0-K0 119.1090 118.9260 81.9030 82.0200
G1-J2 54.5000 54.4270 64.8000 64.9000
G1-K0 87.3810 87.3280 34.8240 34.9030
J2-K0 48.5570 48.5570 0.6750 0.7900
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 60872.20901184
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247446
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 87.45
HIERARCH ESO ISS PBL12 END 87.379
HIERARCH ESO ISS PBLA12 START 128.9
HIERARCH ESO ISS PBLA12 END 129.1
HIERARCH ESO ISS PBL13 START 121.576
HIERARCH ESO ISS PBL13 END 121.409
HIERARCH ESO ISS PBLA13 START 105.2
HIERARCH ESO ISS PBLA13 END 105.3
HIERARCH ESO ISS PBL14 START 119.109
HIERARCH ESO ISS PBL14 END 118.926
HIERARCH ESO ISS PBLA14 START 81.903
HIERARCH ESO ISS PBLA14 END 82.02
HIERARCH ESO ISS PBL23 START 54.5
HIERARCH ESO ISS PBL23 END 54.427
HIERARCH ESO ISS PBLA23 START 64.8
HIERARCH ESO ISS PBLA23 END 64.9
HIERARCH ESO ISS PBL24 START 87.381
HIERARCH ESO ISS PBL24 END 87.328
HIERARCH ESO ISS PBLA24 START 34.824
HIERARCH ESO ISS PBLA24 END 34.903
HIERARCH ESO ISS PBL34 START 48.557
HIERARCH ESO ISS PBL34 END 48.557
HIERARCH ESO ISS PBLA34 START 0.675
HIERARCH ESO ISS PBLA34 END 0.79
HIERARCH ESO ISS AMBI TAU0 START 0.003541
HIERARCH ESO ISS AMBI TAU0 END 0.003541
HIERARCH ESO ISS AMBI TEMP 11.95
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.71