Exposure
ID
MATIS.2025-09-22T01:43:15.863_1
Header ID
MATIS.2025-09-22T01:43:15.863
Date updated
2025-09-22 01:50:51 UTC+0000
Release date
2025-09-22 01:43:15 UTC+0000
UTC Start
2025-09-22 01:43:15.863
UTC End
2025-09-22 01:44:15.923
MJD Start
60940.07171138
MJD End
60940.072406518884
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.003763
Ambient temperature (°C)
11.78
Seeing (arcsec)
0.5700000000000001
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 81.6110 81.5170 141.7000 141.9000
A0-J2 107.1690 106.9200 116.6000 116.8000
A0-K0 102.8020 102.5070 90.0450 90.1730
G1-J2 47.9110 47.7900 70.5000 70.6000
G1-K0 82.5300 82.4390 39.2230 39.2730
J2-K0 48.4840 48.4820 8.3140 8.4230
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 60940.07171138
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 81.611
HIERARCH ESO ISS PBL12 END 81.517
HIERARCH ESO ISS PBLA12 START 141.7
HIERARCH ESO ISS PBLA12 END 141.9
HIERARCH ESO ISS PBL13 START 107.169
HIERARCH ESO ISS PBL13 END 106.92
HIERARCH ESO ISS PBLA13 START 116.6
HIERARCH ESO ISS PBLA13 END 116.8
HIERARCH ESO ISS PBL14 START 102.802
HIERARCH ESO ISS PBL14 END 102.507
HIERARCH ESO ISS PBLA14 START 90.045
HIERARCH ESO ISS PBLA14 END 90.173
HIERARCH ESO ISS PBL23 START 47.911
HIERARCH ESO ISS PBL23 END 47.79
HIERARCH ESO ISS PBLA23 START 70.5
HIERARCH ESO ISS PBLA23 END 70.6
HIERARCH ESO ISS PBL24 START 82.53
HIERARCH ESO ISS PBL24 END 82.439
HIERARCH ESO ISS PBLA24 START 39.223
HIERARCH ESO ISS PBLA24 END 39.273
HIERARCH ESO ISS PBL34 START 48.484
HIERARCH ESO ISS PBL34 END 48.482
HIERARCH ESO ISS PBLA34 START 8.314
HIERARCH ESO ISS PBLA34 END 8.423
HIERARCH ESO ISS AMBI TAU0 START 0.003763
HIERARCH ESO ISS AMBI TAU0 END 0.003763
HIERARCH ESO ISS AMBI TEMP 11.78
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.59