Exposure
ID
MATIS.2025-09-24T00:45:16.973_1
Header ID
MATIS.2025-09-24T00:45:16.973
Date updated
2025-09-24 00:50:53 UTC+0000
Release date
2025-09-24 00:45:16 UTC+0000
UTC Start
2025-09-24 00:45:16.973
UTC End
2025-09-24 00:46:17.033
MJD Start
60942.03144645
MJD End
60942.03214158888
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.007853
Ambient temperature (°C)
15.5
Seeing (arcsec)
0.58
Observation
ID
70485
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
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 85.9960 85.9150 132.2000 132.4000
A0-J2 118.1520 117.9590 108.1000 108.2000
A0-K0 115.3370 115.1230 84.1180 84.2350
G1-J2 52.9880 52.9030 66.5000 66.6000
G1-K0 86.2840 86.2220 36.2520 36.3230
J2-K0 48.5500 48.5500 2.8480 2.9620
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 60942.03144645
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247447
DEC -29.82826
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL 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 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 85.996
HIERARCH ESO ISS PBL12 END 85.915
HIERARCH ESO ISS PBLA12 START 132.2
HIERARCH ESO ISS PBLA12 END 132.4
HIERARCH ESO ISS PBL13 START 118.152
HIERARCH ESO ISS PBL13 END 117.959
HIERARCH ESO ISS PBLA13 START 108.1
HIERARCH ESO ISS PBLA13 END 108.2
HIERARCH ESO ISS PBL14 START 115.337
HIERARCH ESO ISS PBL14 END 115.123
HIERARCH ESO ISS PBLA14 START 84.118
HIERARCH ESO ISS PBLA14 END 84.235
HIERARCH ESO ISS PBL23 START 52.988
HIERARCH ESO ISS PBL23 END 52.903
HIERARCH ESO ISS PBLA23 START 66.5
HIERARCH ESO ISS PBLA23 END 66.6
HIERARCH ESO ISS PBL24 START 86.284
HIERARCH ESO ISS PBL24 END 86.222
HIERARCH ESO ISS PBLA24 START 36.252
HIERARCH ESO ISS PBLA24 END 36.323
HIERARCH ESO ISS PBL34 START 48.55
HIERARCH ESO ISS PBL34 END 48.55
HIERARCH ESO ISS PBLA34 START 2.848
HIERARCH ESO ISS PBLA34 END 2.962
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 0.58
HIERARCH ESO ISS AMBI FWHM END 0.58