Exposure
ID
PIONI.2025-06-17T07:49:01.613_1
Header ID
PIONI.2025-06-17T07:49:01.613
Date updated
2025-06-17 07:55:48 UTC+0000
Release date
2026-06-17 07:55:47 UTC+0000
UTC Start
2025-06-17 07:49:01.613
UTC End
2025-06-17 07:49:27.213
MJD Start
60843.3257131078
MJD End
60843.326009404096
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0031395
Ambient temperature (°C)
6.62
Seeing (arcsec)
0.78
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 77.5260 77.4510 138.5000 138.6000
A0-J2 103.8560 103.6820 111.3000 111.4000
A0-K0 104.0850 103.9050 84.2420 84.2890
G1-J2 49.7800 49.7130 65.8000 65.8000
G1-K0 86.1190 86.0780 37.3010 37.3220
J2-K0 48.5880 48.5890 8.0150 8.0790
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 60843.3257131078
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 77.526
HIERARCH ESO ISS PBL12 END 77.451
HIERARCH ESO ISS PBLA12 START 138.5
HIERARCH ESO ISS PBLA12 END 138.6
HIERARCH ESO ISS PBL13 START 103.856
HIERARCH ESO ISS PBL13 END 103.682
HIERARCH ESO ISS PBLA13 START 111.3
HIERARCH ESO ISS PBLA13 END 111.4
HIERARCH ESO ISS PBL14 START 104.085
HIERARCH ESO ISS PBL14 END 103.905
HIERARCH ESO ISS PBLA14 START 84.242
HIERARCH ESO ISS PBLA14 END 84.289
HIERARCH ESO ISS PBL23 START 49.78
HIERARCH ESO ISS PBL23 END 49.713
HIERARCH ESO ISS PBLA23 START 65.8
HIERARCH ESO ISS PBLA23 END 65.8
HIERARCH ESO ISS PBL24 START 86.119
HIERARCH ESO ISS PBL24 END 86.078
HIERARCH ESO ISS PBLA24 START 37.301
HIERARCH ESO ISS PBLA24 END 37.322
HIERARCH ESO ISS PBL34 START 48.588
HIERARCH ESO ISS PBL34 END 48.589
HIERARCH ESO ISS PBLA34 START 8.015
HIERARCH ESO ISS PBLA34 END 8.079
HIERARCH ESO ISS AMBI TAU0 START 0.002862
HIERARCH ESO ISS AMBI TAU0 END 0.003417
HIERARCH ESO ISS AMBI TEMP 6.62
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.7