Exposure
ID
PIONI.2025-07-16T01:35:40.030_1
Header ID
PIONI.2025-07-16T01:35:40.030
Date updated
2025-07-16 01:46:01 UTC+0000
Release date
2026-07-16 01:46:01 UTC+0000
UTC Start
2025-07-16 01:35:40.030
UTC End
2025-07-16 01:36:05.630
MJD Start
60872.0664355275
MJD End
60872.0667318238
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0023805
Ambient temperature (°C)
12.62
Seeing (arcsec)
1.085
Observation
ID
68114
Category
science
Program ID
115.27VC.001
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
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 84.9460 85.0180 108.0000 108.0000
A0-J2 119.1910 119.3110 83.2000 83.2000
A0-K0 118.9790 119.0780 59.6420 59.7260
G1-J2 55.1400 55.1710 42.9000 43.0000
G1-K0 89.0740 89.0830 14.2100 14.2910
J2-K0 48.5690 48.5710 341.1650 341.2140
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60872.0664355275
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.015659
DEC -22.22406
HIERARCH ESO INS OPTI2 NAME GRISM
HIERARCH ESO INS OPTI2 ID GRISM
HIERARCH ESO INS FILT1 NAME H
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 84.946
HIERARCH ESO ISS PBL12 END 85.018
HIERARCH ESO ISS PBLA12 START 108.0
HIERARCH ESO ISS PBLA12 END 108.0
HIERARCH ESO ISS PBL13 START 119.191
HIERARCH ESO ISS PBL13 END 119.311
HIERARCH ESO ISS PBLA13 START 83.2
HIERARCH ESO ISS PBLA13 END 83.2
HIERARCH ESO ISS PBL14 START 118.979
HIERARCH ESO ISS PBL14 END 119.078
HIERARCH ESO ISS PBLA14 START 59.642
HIERARCH ESO ISS PBLA14 END 59.726
HIERARCH ESO ISS PBL23 START 55.14
HIERARCH ESO ISS PBL23 END 55.171
HIERARCH ESO ISS PBLA23 START 42.9
HIERARCH ESO ISS PBLA23 END 43.0
HIERARCH ESO ISS PBL24 START 89.074
HIERARCH ESO ISS PBL24 END 89.083
HIERARCH ESO ISS PBLA24 START 14.21
HIERARCH ESO ISS PBLA24 END 14.291
HIERARCH ESO ISS PBL34 START 48.569
HIERARCH ESO ISS PBL34 END 48.571
HIERARCH ESO ISS PBLA34 START 341.165
HIERARCH ESO ISS PBLA34 END 341.214
HIERARCH ESO ISS AMBI TAU0 START 0.002528
HIERARCH ESO ISS AMBI TAU0 END 0.002233
HIERARCH ESO ISS AMBI TEMP 12.62
HIERARCH ESO ISS AMBI FWHM START 1.0
HIERARCH ESO ISS AMBI FWHM END 1.17