Exposure
ID
MATIS.2025-07-17T06:01:58.015_1
Header ID
MATIS.2025-07-17T06:01:58.015
Date updated
2025-07-17 06:11:03 UTC+0000
Release date
2025-07-17 06:01:58 UTC+0000
UTC Start
2025-07-17 06:01:58.015
UTC End
2025-07-17 06:02:58.023
MJD Start
60873.25136591
MJD End
60873.25206044704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0039825
Ambient temperature (°C)
13.88
Seeing (arcsec)
0.95
Observation
ID
68812
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
51193
Name
eps Sgr
RA
276.041374
DEC
-34.38532
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 84.4960 84.4210 141.3000 141.5000
A0-J2 111.4770 111.2640 117.6000 117.8000
A0-K0 105.1270 104.8590 92.2270 92.3770
G1-J2 48.0130 47.8970 72.8000 72.9000
G1-K0 80.8870 80.7910 40.1630 40.2260
J2-K0 48.0510 48.0470 7.5290 7.6400
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 60873.25136591
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041374
DEC -34.38532
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 84.496
HIERARCH ESO ISS PBL12 END 84.421
HIERARCH ESO ISS PBLA12 START 141.3
HIERARCH ESO ISS PBLA12 END 141.5
HIERARCH ESO ISS PBL13 START 111.477
HIERARCH ESO ISS PBL13 END 111.264
HIERARCH ESO ISS PBLA13 START 117.6
HIERARCH ESO ISS PBLA13 END 117.8
HIERARCH ESO ISS PBL14 START 105.127
HIERARCH ESO ISS PBL14 END 104.859
HIERARCH ESO ISS PBLA14 START 92.227
HIERARCH ESO ISS PBLA14 END 92.377
HIERARCH ESO ISS PBL23 START 48.013
HIERARCH ESO ISS PBL23 END 47.897
HIERARCH ESO ISS PBLA23 START 72.8
HIERARCH ESO ISS PBLA23 END 72.9
HIERARCH ESO ISS PBL24 START 80.887
HIERARCH ESO ISS PBL24 END 80.791
HIERARCH ESO ISS PBLA24 START 40.163
HIERARCH ESO ISS PBLA24 END 40.226
HIERARCH ESO ISS PBL34 START 48.051
HIERARCH ESO ISS PBL34 END 48.047
HIERARCH ESO ISS PBLA34 START 7.529
HIERARCH ESO ISS PBLA34 END 7.64
HIERARCH ESO ISS AMBI TAU0 START 0.004041
HIERARCH ESO ISS AMBI TAU0 END 0.003924
HIERARCH ESO ISS AMBI TEMP 13.88
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.95