Exposure
ID
MATIS.2025-06-23T04:11:58.210_1
Header ID
MATIS.2025-06-23T04:11:58.210
Date updated
2025-06-23 04:20:58 UTC+0000
Release date
2026-06-23 04:20:58 UTC+0000
UTC Start
2025-06-23 04:11:58.210
UTC End
2025-06-23 04:12:58.218
MJD Start
60849.17497928
MJD End
60849.17567381704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.005119
Ambient temperature (°C)
11.48
Seeing (arcsec)
0.49
Observation
ID
68183
Category
science
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
50684
Name
V VX Sgr
RA
272.016859
DEC
-22.22406
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 67.7560 67.7920 268.5000 268.6000
K0-D0 95.0650 95.1140 247.7000 247.8000
K0-J3 56.5430 56.5460 329.7390 329.8260
G2-D0 39.7630 39.7720 210.6000 210.7000
G2-J3 64.0720 64.0910 37.7610 37.8750
D0-J3 103.6430 103.6700 35.0160 35.1300
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.005
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60849.17497928
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
DEC -22.22406
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 67.756
HIERARCH ESO ISS PBL12 END 67.792
HIERARCH ESO ISS PBLA12 START 268.5
HIERARCH ESO ISS PBLA12 END 268.6
HIERARCH ESO ISS PBL13 START 95.065
HIERARCH ESO ISS PBL13 END 95.114
HIERARCH ESO ISS PBLA13 START 247.7
HIERARCH ESO ISS PBLA13 END 247.8
HIERARCH ESO ISS PBL14 START 56.543
HIERARCH ESO ISS PBL14 END 56.546
HIERARCH ESO ISS PBLA14 START 329.739
HIERARCH ESO ISS PBLA14 END 329.826
HIERARCH ESO ISS PBL23 START 39.763
HIERARCH ESO ISS PBL23 END 39.772
HIERARCH ESO ISS PBLA23 START 210.6
HIERARCH ESO ISS PBLA23 END 210.7
HIERARCH ESO ISS PBL24 START 64.072
HIERARCH ESO ISS PBL24 END 64.091
HIERARCH ESO ISS PBLA24 START 37.761
HIERARCH ESO ISS PBLA24 END 37.875
HIERARCH ESO ISS PBL34 START 103.643
HIERARCH ESO ISS PBL34 END 103.67
HIERARCH ESO ISS PBLA34 START 35.016
HIERARCH ESO ISS PBLA34 END 35.13
HIERARCH ESO ISS AMBI TAU0 START 0.006201
HIERARCH ESO ISS AMBI TAU0 END 0.004037
HIERARCH ESO ISS AMBI TEMP 11.48
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.53