Exposure
ID
MATIS.2025-06-21T07:54:24.993_1
Header ID
MATIS.2025-06-21T07:54:24.993
Date updated
2025-06-21 08:00:51 UTC+0000
Release date
2025-06-21 07:54:24 UTC+0000
UTC Start
2025-06-21 07:54:24.993
UTC End
2025-06-21 07:55:25.001
MJD Start
60847.32945594
MJD End
60847.33015047704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0038435
Ambient temperature (°C)
11.43
Seeing (arcsec)
0.51
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 55.7480 55.6090 296.2000 296.4000
K0-D0 75.8930 75.6620 270.7000 270.9000
K0-J3 56.2710 56.2690 354.9700 355.1220
G2-D0 35.0700 35.0150 227.6000 227.6000
G2-J3 54.9430 54.8340 55.1280 55.1770
D0-J3 89.8270 89.6620 52.1790 52.2270
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 60847.32945594
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 55.748
HIERARCH ESO ISS PBL12 END 55.609
HIERARCH ESO ISS PBLA12 START 296.2
HIERARCH ESO ISS PBLA12 END 296.4
HIERARCH ESO ISS PBL13 START 75.893
HIERARCH ESO ISS PBL13 END 75.662
HIERARCH ESO ISS PBLA13 START 270.7
HIERARCH ESO ISS PBLA13 END 270.9
HIERARCH ESO ISS PBL14 START 56.271
HIERARCH ESO ISS PBL14 END 56.269
HIERARCH ESO ISS PBLA14 START 354.97
HIERARCH ESO ISS PBLA14 END 355.122
HIERARCH ESO ISS PBL23 START 35.07
HIERARCH ESO ISS PBL23 END 35.015
HIERARCH ESO ISS PBLA23 START 227.6
HIERARCH ESO ISS PBLA23 END 227.6
HIERARCH ESO ISS PBL24 START 54.943
HIERARCH ESO ISS PBL24 END 54.834
HIERARCH ESO ISS PBLA24 START 55.128
HIERARCH ESO ISS PBLA24 END 55.177
HIERARCH ESO ISS PBL34 START 89.827
HIERARCH ESO ISS PBL34 END 89.662
HIERARCH ESO ISS PBLA34 START 52.179
HIERARCH ESO ISS PBLA34 END 52.227
HIERARCH ESO ISS AMBI TAU0 START 0.003814
HIERARCH ESO ISS AMBI TAU0 END 0.003873
HIERARCH ESO ISS AMBI TEMP 11.43
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.52