Exposure
ID
MATIS.2025-09-22T00:46:05.155_1
Header ID
MATIS.2025-09-22T00:46:05.155
Date updated
2025-09-22 00:51:02 UTC+0000
Release date
2025-09-22 00:46:05 UTC+0000
UTC Start
2025-09-22 00:46:05.155
UTC End
2025-09-22 00:47:05.163
MJD Start
60940.03200411
MJD End
60940.03269864704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004717
Ambient temperature (°C)
11.93
Seeing (arcsec)
0.6
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 88.0060 87.9480 131.4000 131.5000
A0-J2 121.1260 120.9690 108.2000 108.4000
A0-K0 116.9720 116.7810 84.9380 85.0740
G1-J2 53.0870 53.0050 67.5000 67.6000
G1-K0 85.0810 85.0140 36.3910 36.4740
J2-K0 48.1620 48.1610 1.7200 1.8340
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 60940.03200411
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 88.006
HIERARCH ESO ISS PBL12 END 87.948
HIERARCH ESO ISS PBLA12 START 131.4
HIERARCH ESO ISS PBLA12 END 131.5
HIERARCH ESO ISS PBL13 START 121.126
HIERARCH ESO ISS PBL13 END 120.969
HIERARCH ESO ISS PBLA13 START 108.2
HIERARCH ESO ISS PBLA13 END 108.4
HIERARCH ESO ISS PBL14 START 116.972
HIERARCH ESO ISS PBL14 END 116.781
HIERARCH ESO ISS PBLA14 START 84.938
HIERARCH ESO ISS PBLA14 END 85.074
HIERARCH ESO ISS PBL23 START 53.087
HIERARCH ESO ISS PBL23 END 53.005
HIERARCH ESO ISS PBLA23 START 67.5
HIERARCH ESO ISS PBLA23 END 67.6
HIERARCH ESO ISS PBL24 START 85.081
HIERARCH ESO ISS PBL24 END 85.014
HIERARCH ESO ISS PBLA24 START 36.391
HIERARCH ESO ISS PBLA24 END 36.474
HIERARCH ESO ISS PBL34 START 48.162
HIERARCH ESO ISS PBL34 END 48.161
HIERARCH ESO ISS PBLA34 START 1.72
HIERARCH ESO ISS PBLA34 END 1.834
HIERARCH ESO ISS AMBI TAU0 START 0.004639
HIERARCH ESO ISS AMBI TAU0 END 0.004795
HIERARCH ESO ISS AMBI TEMP 11.93
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.59