Exposure
ID
MATIS.2025-09-22T01:45:42.805_1
Header ID
MATIS.2025-09-22T01:45:42.805
Date updated
2025-09-22 01:55:58 UTC+0000
Release date
2025-09-22 01:45:42 UTC+0000
UTC Start
2025-09-22 01:45:42.805
UTC End
2025-09-22 01:46:42.813
MJD Start
60940.0734121
MJD End
60940.07410663704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004082499999999999
Ambient temperature (°C)
11.6
Seeing (arcsec)
0.53
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 81.3850 81.2910 142.2000 142.4000
A0-J2 106.5660 106.3110 117.1000 117.3000
A0-K0 102.0890 101.7850 90.3520 90.4820
G1-J2 47.6180 47.4940 70.7000 70.8000
G1-K0 82.3100 82.2160 39.3420 39.3910
J2-K0 48.4790 48.4760 8.5760 8.6860
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 60940.0734121
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 81.385
HIERARCH ESO ISS PBL12 END 81.291
HIERARCH ESO ISS PBLA12 START 142.2
HIERARCH ESO ISS PBLA12 END 142.4
HIERARCH ESO ISS PBL13 START 106.566
HIERARCH ESO ISS PBL13 END 106.311
HIERARCH ESO ISS PBLA13 START 117.1
HIERARCH ESO ISS PBLA13 END 117.3
HIERARCH ESO ISS PBL14 START 102.089
HIERARCH ESO ISS PBL14 END 101.785
HIERARCH ESO ISS PBLA14 START 90.352
HIERARCH ESO ISS PBLA14 END 90.482
HIERARCH ESO ISS PBL23 START 47.618
HIERARCH ESO ISS PBL23 END 47.494
HIERARCH ESO ISS PBLA23 START 70.7
HIERARCH ESO ISS PBLA23 END 70.8
HIERARCH ESO ISS PBL24 START 82.31
HIERARCH ESO ISS PBL24 END 82.216
HIERARCH ESO ISS PBLA24 START 39.342
HIERARCH ESO ISS PBLA24 END 39.391
HIERARCH ESO ISS PBL34 START 48.479
HIERARCH ESO ISS PBL34 END 48.476
HIERARCH ESO ISS PBLA34 START 8.576
HIERARCH ESO ISS PBLA34 END 8.686
HIERARCH ESO ISS AMBI TAU0 START 0.003763
HIERARCH ESO ISS AMBI TAU0 END 0.004402
HIERARCH ESO ISS AMBI TEMP 11.6
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.53