Exposure
ID
MATIS.2025-06-21T07:43:37.473_1
Header ID
MATIS.2025-06-21T07:43:37.473
Date updated
2025-06-21 07:51:24 UTC+0000
Release date
2025-06-21 07:43:37 UTC+0000
UTC Start
2025-06-21 07:43:37.473
UTC End
2025-06-21 07:44:37.481
MJD Start
60847.32196149
MJD End
60847.32265602704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003986
Ambient temperature (°C)
11.2
Seeing (arcsec)
0.52
Observation
ID
68185
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
50685
Name
del Sgr
RA
275.248725
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 57.1730 57.0410 294.2000 294.4000
K0-D0 78.2330 78.0180 269.4000 269.5000
K0-J3 56.2940 56.2920 353.3930 353.5410
G2-D0 35.6320 35.5810 227.1000 227.1000
G2-J3 56.0430 55.9430 54.5830 54.6370
D0-J3 91.4870 91.3350 51.6580 51.7090
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 60847.32196149
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.248725
DEC -29.82826
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 57.173
HIERARCH ESO ISS PBL12 END 57.041
HIERARCH ESO ISS PBLA12 START 294.2
HIERARCH ESO ISS PBLA12 END 294.4
HIERARCH ESO ISS PBL13 START 78.233
HIERARCH ESO ISS PBL13 END 78.018
HIERARCH ESO ISS PBLA13 START 269.4
HIERARCH ESO ISS PBLA13 END 269.5
HIERARCH ESO ISS PBL14 START 56.294
HIERARCH ESO ISS PBL14 END 56.292
HIERARCH ESO ISS PBLA14 START 353.393
HIERARCH ESO ISS PBLA14 END 353.541
HIERARCH ESO ISS PBL23 START 35.632
HIERARCH ESO ISS PBL23 END 35.581
HIERARCH ESO ISS PBLA23 START 227.1
HIERARCH ESO ISS PBLA23 END 227.1
HIERARCH ESO ISS PBL24 START 56.043
HIERARCH ESO ISS PBL24 END 55.943
HIERARCH ESO ISS PBLA24 START 54.583
HIERARCH ESO ISS PBLA24 END 54.637
HIERARCH ESO ISS PBL34 START 91.487
HIERARCH ESO ISS PBL34 END 91.335
HIERARCH ESO ISS PBLA34 START 51.658
HIERARCH ESO ISS PBLA34 END 51.709
HIERARCH ESO ISS AMBI TAU0 START 0.003986
HIERARCH ESO ISS AMBI TAU0 END 0.003986
HIERARCH ESO ISS AMBI TEMP 11.2
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.49