Exposure
ID
MATIS.2025-07-17T06:38:42.599_1
Header ID
MATIS.2025-07-17T06:38:42.599
Date updated
2025-07-17 06:45:59 UTC+0000
Release date
2025-07-17 06:38:42 UTC+0000
UTC Start
2025-07-17 06:38:42.599
UTC End
2025-07-17 06:39:42.607
MJD Start
60873.27688193
MJD End
60873.277576467044
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0038995
Ambient temperature (°C)
13.8
Seeing (arcsec)
0.74
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 78.6990 78.6090 148.6000 148.9000
A0-J2 98.9860 98.7190 123.3000 123.5000
A0-K0 92.8170 92.4790 94.2590 94.4030
G1-J2 43.7840 43.6430 72.8000 72.9000
G1-K0 79.3890 79.2810 40.5590 40.5950
J2-K0 48.3890 48.3850 11.6680 11.7730
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 60873.27688193
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 78.699
HIERARCH ESO ISS PBL12 END 78.609
HIERARCH ESO ISS PBLA12 START 148.6
HIERARCH ESO ISS PBLA12 END 148.9
HIERARCH ESO ISS PBL13 START 98.986
HIERARCH ESO ISS PBL13 END 98.719
HIERARCH ESO ISS PBLA13 START 123.3
HIERARCH ESO ISS PBLA13 END 123.5
HIERARCH ESO ISS PBL14 START 92.817
HIERARCH ESO ISS PBL14 END 92.479
HIERARCH ESO ISS PBLA14 START 94.259
HIERARCH ESO ISS PBLA14 END 94.403
HIERARCH ESO ISS PBL23 START 43.784
HIERARCH ESO ISS PBL23 END 43.643
HIERARCH ESO ISS PBLA23 START 72.8
HIERARCH ESO ISS PBLA23 END 72.9
HIERARCH ESO ISS PBL24 START 79.389
HIERARCH ESO ISS PBL24 END 79.281
HIERARCH ESO ISS PBLA24 START 40.559
HIERARCH ESO ISS PBLA24 END 40.595
HIERARCH ESO ISS PBL34 START 48.389
HIERARCH ESO ISS PBL34 END 48.385
HIERARCH ESO ISS PBLA34 START 11.668
HIERARCH ESO ISS PBLA34 END 11.773
HIERARCH ESO ISS AMBI TAU0 START 0.003893
HIERARCH ESO ISS AMBI TAU0 END 0.003906
HIERARCH ESO ISS AMBI TEMP 13.8
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.74