Exposure
ID
MATIS.2025-09-24T00:44:06.166_1
Header ID
MATIS.2025-09-24T00:44:06.166
Date updated
2025-09-24 00:50:53 UTC+0000
Release date
2025-09-24 00:44:06 UTC+0000
UTC Start
2025-09-24 00:44:06.166
UTC End
2025-09-24 00:45:06.174
MJD Start
60942.03062692
MJD End
60942.03132145704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.007853
Ambient temperature (°C)
15.5
Seeing (arcsec)
0.55
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 86.0890 86.0090 132.0000 132.2000
A0-J2 118.3750 118.1830 107.9000 108.1000
A0-K0 115.5830 115.3720 83.9840 84.0990
G1-J2 53.0870 53.0020 66.4000 66.5000
G1-K0 86.3560 86.2950 36.1710 36.2400
J2-K0 48.5510 48.5500 2.7180 2.8290
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 60942.03062692
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 86.089
HIERARCH ESO ISS PBL12 END 86.009
HIERARCH ESO ISS PBLA12 START 132.0
HIERARCH ESO ISS PBLA12 END 132.2
HIERARCH ESO ISS PBL13 START 118.375
HIERARCH ESO ISS PBL13 END 118.183
HIERARCH ESO ISS PBLA13 START 107.9
HIERARCH ESO ISS PBLA13 END 108.1
HIERARCH ESO ISS PBL14 START 115.583
HIERARCH ESO ISS PBL14 END 115.372
HIERARCH ESO ISS PBLA14 START 83.984
HIERARCH ESO ISS PBLA14 END 84.099
HIERARCH ESO ISS PBL23 START 53.087
HIERARCH ESO ISS PBL23 END 53.002
HIERARCH ESO ISS PBLA23 START 66.4
HIERARCH ESO ISS PBLA23 END 66.5
HIERARCH ESO ISS PBL24 START 86.356
HIERARCH ESO ISS PBL24 END 86.295
HIERARCH ESO ISS PBLA24 START 36.171
HIERARCH ESO ISS PBLA24 END 36.24
HIERARCH ESO ISS PBL34 START 48.551
HIERARCH ESO ISS PBL34 END 48.55
HIERARCH ESO ISS PBLA34 START 2.718
HIERARCH ESO ISS PBLA34 END 2.829
HIERARCH ESO ISS AMBI TAU0 START 0.007853
HIERARCH ESO ISS AMBI TAU0 END 0.007853
HIERARCH ESO ISS AMBI TEMP 15.5
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.58