Exposure
ID
PIONI.2025-07-17T01:14:52.210_1
Header ID
PIONI.2025-07-17T01:14:52.210
Date updated
2025-07-17 01:20:49 UTC+0000
Release date
2026-07-17 01:20:49 UTC+0000
UTC Start
2025-07-17 01:14:52.209
UTC End
2025-07-17 01:15:17.809
MJD Start
60873.0519931652
MJD End
60873.0522894615
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006667
Ambient temperature (°C)
12.88
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 82.7310 82.8150 106.9000 106.9000
A0-J2 115.5390 115.6770 81.3000 81.4000
A0-K0 116.0360 116.1450 57.1590 57.2500
G1-J2 54.2350 54.2680 40.2000 40.3000
G1-K0 88.8180 88.8260 11.8980 11.9810
J2-K0 48.4920 48.4950 339.8210 339.8670
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 60873.0519931652
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 82.731
HIERARCH ESO ISS PBL12 END 82.815
HIERARCH ESO ISS PBLA12 START 106.9
HIERARCH ESO ISS PBLA12 END 106.9
HIERARCH ESO ISS PBL13 START 115.539
HIERARCH ESO ISS PBL13 END 115.677
HIERARCH ESO ISS PBLA13 START 81.3
HIERARCH ESO ISS PBLA13 END 81.4
HIERARCH ESO ISS PBL14 START 116.036
HIERARCH ESO ISS PBL14 END 116.145
HIERARCH ESO ISS PBLA14 START 57.159
HIERARCH ESO ISS PBLA14 END 57.25
HIERARCH ESO ISS PBL23 START 54.235
HIERARCH ESO ISS PBL23 END 54.268
HIERARCH ESO ISS PBLA23 START 40.2
HIERARCH ESO ISS PBLA23 END 40.3
HIERARCH ESO ISS PBL24 START 88.818
HIERARCH ESO ISS PBL24 END 88.826
HIERARCH ESO ISS PBLA24 START 11.898
HIERARCH ESO ISS PBLA24 END 11.981
HIERARCH ESO ISS PBL34 START 48.492
HIERARCH ESO ISS PBL34 END 48.495
HIERARCH ESO ISS PBLA34 START 339.821
HIERARCH ESO ISS PBLA34 END 339.867
HIERARCH ESO ISS AMBI TAU0 START 0.006667
HIERARCH ESO ISS AMBI TAU0 END 0.006667
HIERARCH ESO ISS AMBI TEMP 12.88
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.78