Exposure
ID
MATIS.2025-09-22T01:32:19.341_1
Header ID
MATIS.2025-09-22T01:32:19.341
Date updated
2025-09-22 01:41:06 UTC+0000
Release date
2025-09-22 01:32:19 UTC+0000
UTC Start
2025-09-22 01:32:19.341
UTC End
2025-09-22 01:33:19.349
MJD Start
60940.06411274
MJD End
60940.06480727704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003329
Ambient temperature (°C)
12.17
Seeing (arcsec)
0.645
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 82.6140 82.5210 139.4000 139.7000
A0-J2 109.7960 109.5560 114.6000 114.8000
A0-K0 105.8750 105.5970 88.7020 88.8250
G1-J2 49.1650 49.0520 69.7000 69.8000
G1-K0 83.4690 83.3840 38.6630 38.7170
J2-K0 48.5060 48.5040 7.1400 7.2500
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 60940.06411274
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 82.614
HIERARCH ESO ISS PBL12 END 82.521
HIERARCH ESO ISS PBLA12 START 139.4
HIERARCH ESO ISS PBLA12 END 139.7
HIERARCH ESO ISS PBL13 START 109.796
HIERARCH ESO ISS PBL13 END 109.556
HIERARCH ESO ISS PBLA13 START 114.6
HIERARCH ESO ISS PBLA13 END 114.8
HIERARCH ESO ISS PBL14 START 105.875
HIERARCH ESO ISS PBL14 END 105.597
HIERARCH ESO ISS PBLA14 START 88.702
HIERARCH ESO ISS PBLA14 END 88.825
HIERARCH ESO ISS PBL23 START 49.165
HIERARCH ESO ISS PBL23 END 49.052
HIERARCH ESO ISS PBLA23 START 69.7
HIERARCH ESO ISS PBLA23 END 69.8
HIERARCH ESO ISS PBL24 START 83.469
HIERARCH ESO ISS PBL24 END 83.384
HIERARCH ESO ISS PBLA24 START 38.663
HIERARCH ESO ISS PBLA24 END 38.717
HIERARCH ESO ISS PBL34 START 48.506
HIERARCH ESO ISS PBL34 END 48.504
HIERARCH ESO ISS PBLA34 START 7.14
HIERARCH ESO ISS PBLA34 END 7.25
HIERARCH ESO ISS AMBI TAU0 START 0.003329
HIERARCH ESO ISS AMBI TAU0 END 0.003329
HIERARCH ESO ISS AMBI TEMP 12.17
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.62