Exposure
ID
MATIS.2025-09-23T23:49:29.137_1
Header ID
MATIS.2025-09-23T23:49:29.137
Date updated
2025-09-24 00:01:04 UTC+0000
Release date
2025-09-23 23:49:29 UTC+0000
UTC Start
2025-09-23 23:49:29.137
UTC End
2025-09-23 23:50:29.145
MJD Start
60941.99269834
MJD End
60941.99339287704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.007676499999999999
Ambient temperature (°C)
14.94
Seeing (arcsec)
0.64
Observation
ID
70484
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
52266
Name
eps Sgr
RA
276.041372
DEC
-34.38533
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 90.0930 90.0660 123.4000 123.6000
A0-J2 127.0120 126.9250 100.6000 100.7000
A0-K0 124.1970 124.0850 78.5210 78.6590
G1-J2 56.2070 56.1580 62.1000 62.2000
G1-K0 87.7100 87.6660 32.0380 32.1410
J2-K0 48.1400 48.1420 356.2610 356.3790
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 60941.99269834
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041372
DEC -34.38533
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 90.093
HIERARCH ESO ISS PBL12 END 90.066
HIERARCH ESO ISS PBLA12 START 123.4
HIERARCH ESO ISS PBLA12 END 123.6
HIERARCH ESO ISS PBL13 START 127.012
HIERARCH ESO ISS PBL13 END 126.925
HIERARCH ESO ISS PBLA13 START 100.6
HIERARCH ESO ISS PBLA13 END 100.7
HIERARCH ESO ISS PBL14 START 124.197
HIERARCH ESO ISS PBL14 END 124.085
HIERARCH ESO ISS PBLA14 START 78.521
HIERARCH ESO ISS PBLA14 END 78.659
HIERARCH ESO ISS PBL23 START 56.207
HIERARCH ESO ISS PBL23 END 56.158
HIERARCH ESO ISS PBLA23 START 62.1
HIERARCH ESO ISS PBLA23 END 62.2
HIERARCH ESO ISS PBL24 START 87.71
HIERARCH ESO ISS PBL24 END 87.666
HIERARCH ESO ISS PBLA24 START 32.038
HIERARCH ESO ISS PBLA24 END 32.141
HIERARCH ESO ISS PBL34 START 48.14
HIERARCH ESO ISS PBL34 END 48.142
HIERARCH ESO ISS PBLA34 START 356.261
HIERARCH ESO ISS PBLA34 END 356.379
HIERARCH ESO ISS AMBI TAU0 START 0.00802
HIERARCH ESO ISS AMBI TAU0 END 0.007333
HIERARCH ESO ISS AMBI TEMP 14.94
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.6