Exposure
ID
MATIS.2025-07-25T05:42:16.414_1
Header ID
MATIS.2025-07-25T05:42:16.414
Date updated
2025-07-25 05:50:57 UTC+0000
Release date
2026-07-25 05:50:57 UTC+0000
UTC Start
2025-07-25 05:42:16.414
UTC End
2025-07-25 05:43:16.422
MJD Start
60881.23768998
MJD End
60881.23838451704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0035255
Ambient temperature (°C)
12.45
Seeing (arcsec)
0.545
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 23.7500 23.7430 168.6000 168.8000
A0-D0 24.2190 24.1330 86.0000 86.1000
A0-C1 18.6710 18.6390 143.2750 143.5010
B2-D0 31.6630 31.6320 38.0000 38.0000
B2-C1 10.5490 10.5390 37.9480 37.9720
D0-C1 21.1140 21.0930 218.0020 218.0260
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 60881.23768998
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 23.75
HIERARCH ESO ISS PBL12 END 23.743
HIERARCH ESO ISS PBLA12 START 168.6
HIERARCH ESO ISS PBLA12 END 168.8
HIERARCH ESO ISS PBL13 START 24.219
HIERARCH ESO ISS PBL13 END 24.133
HIERARCH ESO ISS PBLA13 START 86.0
HIERARCH ESO ISS PBLA13 END 86.1
HIERARCH ESO ISS PBL14 START 18.671
HIERARCH ESO ISS PBL14 END 18.639
HIERARCH ESO ISS PBLA14 START 143.275
HIERARCH ESO ISS PBLA14 END 143.501
HIERARCH ESO ISS PBL23 START 31.663
HIERARCH ESO ISS PBL23 END 31.632
HIERARCH ESO ISS PBLA23 START 38.0
HIERARCH ESO ISS PBLA23 END 38.0
HIERARCH ESO ISS PBL24 START 10.549
HIERARCH ESO ISS PBL24 END 10.539
HIERARCH ESO ISS PBLA24 START 37.948
HIERARCH ESO ISS PBLA24 END 37.972
HIERARCH ESO ISS PBL34 START 21.114
HIERARCH ESO ISS PBL34 END 21.093
HIERARCH ESO ISS PBLA34 START 218.002
HIERARCH ESO ISS PBLA34 END 218.026
HIERARCH ESO ISS AMBI TAU0 START 0.003207
HIERARCH ESO ISS AMBI TAU0 END 0.003844
HIERARCH ESO ISS AMBI TEMP 12.45
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.54