Exposure
ID
MATIS.2025-06-27T05:01:05.596_1
Header ID
MATIS.2025-06-27T05:01:05.596
Date updated
2025-06-27 05:10:47 UTC+0000
Release date
2026-06-27 05:10:47 UTC+0000
UTC Start
2025-06-27 05:01:05.596
UTC End
2025-06-27 05:02:05.604
MJD Start
60853.20909255
MJD End
60853.20978708704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.001644
Ambient temperature (°C)
5.83
Seeing (arcsec)
0.87
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 25.1480 25.1410 146.0000 146.1000
A0-D0 31.8100 31.7960 74.0000 74.1000
A0-C1 22.4220 22.4110 119.3100 119.4220
B2-D0 33.9260 33.9240 29.1000 29.2000
B2-C1 11.3010 11.3000 29.0910 29.1830
D0-C1 22.6250 22.6240 209.1540 209.2460
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 60853.20909255
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 25.148
HIERARCH ESO ISS PBL12 END 25.141
HIERARCH ESO ISS PBLA12 START 146.0
HIERARCH ESO ISS PBLA12 END 146.1
HIERARCH ESO ISS PBL13 START 31.81
HIERARCH ESO ISS PBL13 END 31.796
HIERARCH ESO ISS PBLA13 START 74.0
HIERARCH ESO ISS PBLA13 END 74.1
HIERARCH ESO ISS PBL14 START 22.422
HIERARCH ESO ISS PBL14 END 22.411
HIERARCH ESO ISS PBLA14 START 119.31
HIERARCH ESO ISS PBLA14 END 119.422
HIERARCH ESO ISS PBL23 START 33.926
HIERARCH ESO ISS PBL23 END 33.924
HIERARCH ESO ISS PBLA23 START 29.1
HIERARCH ESO ISS PBLA23 END 29.2
HIERARCH ESO ISS PBL24 START 11.301
HIERARCH ESO ISS PBL24 END 11.3
HIERARCH ESO ISS PBLA24 START 29.091
HIERARCH ESO ISS PBLA24 END 29.183
HIERARCH ESO ISS PBL34 START 22.625
HIERARCH ESO ISS PBL34 END 22.624
HIERARCH ESO ISS PBLA34 START 209.154
HIERARCH ESO ISS PBLA34 END 209.246
HIERARCH ESO ISS AMBI TAU0 START 0.001644
HIERARCH ESO ISS AMBI TAU0 END 0.001644
HIERARCH ESO ISS AMBI TEMP 5.83
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.87