Exposure
ID
MATIS.2025-07-17T06:40:05.662_1
Header ID
MATIS.2025-07-17T06:40:05.662
Date updated
2025-07-17 06:51:03 UTC+0000
Release date
2025-07-17 06:40:05 UTC+0000
UTC Start
2025-07-17 06:40:05.662
UTC End
2025-07-17 06:41:05.670
MJD Start
60873.27784331
MJD End
60873.27853784704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003906
Ambient temperature (°C)
13.82
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 78.5770 78.4880 149.0000 149.2000
A0-J2 98.6210 98.3530 123.6000 123.8000
A0-K0 92.3550 92.0150 94.4540 94.5970
G1-J2 43.5910 43.4490 72.9000 73.0000
G1-K0 79.2410 79.1310 40.6070 40.6410
J2-K0 48.3840 48.3800 11.8110 11.9140
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 60873.27784331
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 78.577
HIERARCH ESO ISS PBL12 END 78.488
HIERARCH ESO ISS PBLA12 START 149.0
HIERARCH ESO ISS PBLA12 END 149.2
HIERARCH ESO ISS PBL13 START 98.621
HIERARCH ESO ISS PBL13 END 98.353
HIERARCH ESO ISS PBLA13 START 123.6
HIERARCH ESO ISS PBLA13 END 123.8
HIERARCH ESO ISS PBL14 START 92.355
HIERARCH ESO ISS PBL14 END 92.015
HIERARCH ESO ISS PBLA14 START 94.454
HIERARCH ESO ISS PBLA14 END 94.597
HIERARCH ESO ISS PBL23 START 43.591
HIERARCH ESO ISS PBL23 END 43.449
HIERARCH ESO ISS PBLA23 START 72.9
HIERARCH ESO ISS PBLA23 END 73.0
HIERARCH ESO ISS PBL24 START 79.241
HIERARCH ESO ISS PBL24 END 79.131
HIERARCH ESO ISS PBLA24 START 40.607
HIERARCH ESO ISS PBLA24 END 40.641
HIERARCH ESO ISS PBL34 START 48.384
HIERARCH ESO ISS PBL34 END 48.38
HIERARCH ESO ISS PBLA34 START 11.811
HIERARCH ESO ISS PBLA34 END 11.914
HIERARCH ESO ISS AMBI TAU0 START 0.003906
HIERARCH ESO ISS AMBI TAU0 END 0.003906
HIERARCH ESO ISS AMBI TEMP 13.82
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.74