Exposure
ID
PIONI.2025-06-17T07:50:54.978_1
Header ID
PIONI.2025-06-17T07:50:54.978
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 07:50:54.978
UTC End
2025-06-17 07:51:20.578
MJD Start
60843.3270252137
MJD End
60843.32732151
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003417
Ambient temperature (°C)
6.67
Seeing (arcsec)
0.7
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 77.2880 77.2130 138.9000 139.0000
A0-J2 103.3030 103.1270 111.6000 111.7000
A0-K0 103.5120 103.3300 84.3910 84.4380
G1-J2 49.5670 49.4990 65.9000 65.9000
G1-K0 85.9890 85.9470 37.3670 37.3880
J2-K0 48.5910 48.5910 8.2170 8.2810
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 60843.3270252137
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 77.288
HIERARCH ESO ISS PBL12 END 77.213
HIERARCH ESO ISS PBLA12 START 138.9
HIERARCH ESO ISS PBLA12 END 139.0
HIERARCH ESO ISS PBL13 START 103.303
HIERARCH ESO ISS PBL13 END 103.127
HIERARCH ESO ISS PBLA13 START 111.6
HIERARCH ESO ISS PBLA13 END 111.7
HIERARCH ESO ISS PBL14 START 103.512
HIERARCH ESO ISS PBL14 END 103.33
HIERARCH ESO ISS PBLA14 START 84.391
HIERARCH ESO ISS PBLA14 END 84.438
HIERARCH ESO ISS PBL23 START 49.567
HIERARCH ESO ISS PBL23 END 49.499
HIERARCH ESO ISS PBLA23 START 65.9
HIERARCH ESO ISS PBLA23 END 65.9
HIERARCH ESO ISS PBL24 START 85.989
HIERARCH ESO ISS PBL24 END 85.947
HIERARCH ESO ISS PBLA24 START 37.367
HIERARCH ESO ISS PBLA24 END 37.388
HIERARCH ESO ISS PBL34 START 48.591
HIERARCH ESO ISS PBL34 END 48.591
HIERARCH ESO ISS PBLA34 START 8.217
HIERARCH ESO ISS PBLA34 END 8.281
HIERARCH ESO ISS AMBI TAU0 START 0.003417
HIERARCH ESO ISS AMBI TAU0 END 0.003417
HIERARCH ESO ISS AMBI TEMP 6.67
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.7