Exposure
ID
MATIS.2025-09-23T23:50:51.789_1
Header ID
MATIS.2025-09-23T23:50:51.789
Date updated
2025-09-24 00:01:04 UTC+0000
Release date
2025-09-23 23:50:51 UTC+0000
UTC Start
2025-09-23 23:50:51.789
UTC End
2025-09-23 23:51:51.797
MJD Start
60941.99365497
MJD End
60941.99434950704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.007333
Ambient temperature (°C)
14.98
Seeing (arcsec)
0.6799999999999999
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 90.0560 90.0280 123.6000 123.8000
A0-J2 126.8930 126.8040 100.8000 100.9000
A0-K0 124.0440 123.9300 78.7070 78.8360
G1-J2 56.1400 56.0890 62.2000 62.4000
G1-K0 87.6510 87.6070 32.1770 32.2700
J2-K0 48.1420 48.1440 356.4200 356.5280
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 60941.99365497
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 90.056
HIERARCH ESO ISS PBL12 END 90.028
HIERARCH ESO ISS PBLA12 START 123.6
HIERARCH ESO ISS PBLA12 END 123.8
HIERARCH ESO ISS PBL13 START 126.893
HIERARCH ESO ISS PBL13 END 126.804
HIERARCH ESO ISS PBLA13 START 100.8
HIERARCH ESO ISS PBLA13 END 100.9
HIERARCH ESO ISS PBL14 START 124.044
HIERARCH ESO ISS PBL14 END 123.93
HIERARCH ESO ISS PBLA14 START 78.707
HIERARCH ESO ISS PBLA14 END 78.836
HIERARCH ESO ISS PBL23 START 56.14
HIERARCH ESO ISS PBL23 END 56.089
HIERARCH ESO ISS PBLA23 START 62.2
HIERARCH ESO ISS PBLA23 END 62.4
HIERARCH ESO ISS PBL24 START 87.651
HIERARCH ESO ISS PBL24 END 87.607
HIERARCH ESO ISS PBLA24 START 32.177
HIERARCH ESO ISS PBLA24 END 32.27
HIERARCH ESO ISS PBL34 START 48.142
HIERARCH ESO ISS PBL34 END 48.144
HIERARCH ESO ISS PBLA34 START 356.42
HIERARCH ESO ISS PBLA34 END 356.528
HIERARCH ESO ISS AMBI TAU0 START 0.007333
HIERARCH ESO ISS AMBI TAU0 END 0.007333
HIERARCH ESO ISS AMBI TEMP 14.98
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.74