Exposure
ID
MATIS.2025-06-25T00:54:26.188_1
Header ID
MATIS.2025-06-25T00:54:26.188
Date updated
2025-06-25 01:00:58 UTC+0000
Release date
2026-06-25 01:00:58 UTC+0000
UTC Start
2025-06-25 00:54:26.188
UTC End
2025-06-25 00:55:26.196
MJD Start
60851.0378031
MJD End
60851.03849763704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002635
Ambient temperature (°C)
7.8
Seeing (arcsec)
1.03
Observation
ID
68242
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
50630
Name
V VX Sgr
RA
272.015659
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 20.8610 20.9060 131.7000 131.7000
A0-D0 23.3930 23.4450 35.1000 35.4000
A0-C1 15.1370 15.2060 100.9680 101.0150
B2-D0 33.0880 33.0860 356.3000 356.5000
B2-C1 11.0230 11.0230 356.2810 356.4330
D0-C1 22.0650 22.0640 176.3230 176.4750
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 60851.0378031
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.015659
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 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 20.861
HIERARCH ESO ISS PBL12 END 20.906
HIERARCH ESO ISS PBLA12 START 131.7
HIERARCH ESO ISS PBLA12 END 131.7
HIERARCH ESO ISS PBL13 START 23.393
HIERARCH ESO ISS PBL13 END 23.445
HIERARCH ESO ISS PBLA13 START 35.1
HIERARCH ESO ISS PBLA13 END 35.4
HIERARCH ESO ISS PBL14 START 15.137
HIERARCH ESO ISS PBL14 END 15.206
HIERARCH ESO ISS PBLA14 START 100.968
HIERARCH ESO ISS PBLA14 END 101.015
HIERARCH ESO ISS PBL23 START 33.088
HIERARCH ESO ISS PBL23 END 33.086
HIERARCH ESO ISS PBLA23 START 356.3
HIERARCH ESO ISS PBLA23 END 356.5
HIERARCH ESO ISS PBL24 START 11.023
HIERARCH ESO ISS PBL24 END 11.023
HIERARCH ESO ISS PBLA24 START 356.281
HIERARCH ESO ISS PBLA24 END 356.433
HIERARCH ESO ISS PBL34 START 22.065
HIERARCH ESO ISS PBL34 END 22.064
HIERARCH ESO ISS PBLA34 START 176.323
HIERARCH ESO ISS PBLA34 END 176.475
HIERARCH ESO ISS AMBI TAU0 START 0.002635
HIERARCH ESO ISS AMBI TAU0 END 0.002635
HIERARCH ESO ISS AMBI TEMP 7.8
HIERARCH ESO ISS AMBI FWHM START 1.01
HIERARCH ESO ISS AMBI FWHM END 1.05