Exposure
ID
MATIS.2025-06-28T05:01:43.290_1
Header ID
MATIS.2025-06-28T05:01:43.290
Date updated
2025-06-28 05:11:28 UTC+0000
Release date
2026-06-28 05:11:28 UTC+0000
UTC Start
2025-06-28 05:01:43.290
UTC End
2025-06-28 05:02:43.298
MJD Start
60854.20952882
MJD End
60854.21022335704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0020125
Ambient temperature (°C)
4.78
Seeing (arcsec)
0.725
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 25.1180 25.1110 146.5000 146.7000
A0-D0 31.7430 31.7260 74.4000 74.5000
A0-C1 22.3710 22.3590 119.8180 119.9320
B2-D0 33.9170 33.9150 29.5000 29.6000
B2-C1 11.2980 11.2970 29.5000 29.5900
D0-C1 22.6190 22.6180 209.5630 209.6530
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 60854.20952882
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 25.118
HIERARCH ESO ISS PBL12 END 25.111
HIERARCH ESO ISS PBLA12 START 146.5
HIERARCH ESO ISS PBLA12 END 146.7
HIERARCH ESO ISS PBL13 START 31.743
HIERARCH ESO ISS PBL13 END 31.726
HIERARCH ESO ISS PBLA13 START 74.4
HIERARCH ESO ISS PBLA13 END 74.5
HIERARCH ESO ISS PBL14 START 22.371
HIERARCH ESO ISS PBL14 END 22.359
HIERARCH ESO ISS PBLA14 START 119.818
HIERARCH ESO ISS PBLA14 END 119.932
HIERARCH ESO ISS PBL23 START 33.917
HIERARCH ESO ISS PBL23 END 33.915
HIERARCH ESO ISS PBLA23 START 29.5
HIERARCH ESO ISS PBLA23 END 29.6
HIERARCH ESO ISS PBL24 START 11.298
HIERARCH ESO ISS PBL24 END 11.297
HIERARCH ESO ISS PBLA24 START 29.5
HIERARCH ESO ISS PBLA24 END 29.59
HIERARCH ESO ISS PBL34 START 22.619
HIERARCH ESO ISS PBL34 END 22.618
HIERARCH ESO ISS PBLA34 START 209.563
HIERARCH ESO ISS PBLA34 END 209.653
HIERARCH ESO ISS AMBI TAU0 START 0.001989
HIERARCH ESO ISS AMBI TAU0 END 0.002036
HIERARCH ESO ISS AMBI TEMP 4.78
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.71