Exposure
ID
PIONI.2025-07-16T01:50:15.503_1
Header ID
PIONI.2025-07-16T01:50:15.503
Date updated
2025-07-16 01:56:00 UTC+0000
Release date
2026-07-16 01:55:59 UTC+0000
UTC Start
2025-07-16 01:50:15.503
UTC End
2025-07-16 01:50:41.103
MJD Start
60872.076568319
MJD End
60872.076864615294
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002023
Ambient temperature (°C)
12.88
Seeing (arcsec)
1.0550000000000002
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 86.5610 86.6220 109.0000 109.0000
A0-J2 121.9170 122.0210 84.7000 84.8000
A0-K0 121.2470 121.3350 61.6330 61.7120
G1-J2 55.8610 55.8890 45.1000 45.2000
G1-K0 89.3090 89.3190 16.1500 16.2290
J2-K0 48.6120 48.6130 342.3920 342.4430
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 60872.076568319
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 86.561
HIERARCH ESO ISS PBL12 END 86.622
HIERARCH ESO ISS PBLA12 START 109.0
HIERARCH ESO ISS PBLA12 END 109.0
HIERARCH ESO ISS PBL13 START 121.917
HIERARCH ESO ISS PBL13 END 122.021
HIERARCH ESO ISS PBLA13 START 84.7
HIERARCH ESO ISS PBLA13 END 84.8
HIERARCH ESO ISS PBL14 START 121.247
HIERARCH ESO ISS PBL14 END 121.335
HIERARCH ESO ISS PBLA14 START 61.633
HIERARCH ESO ISS PBLA14 END 61.712
HIERARCH ESO ISS PBL23 START 55.861
HIERARCH ESO ISS PBL23 END 55.889
HIERARCH ESO ISS PBLA23 START 45.1
HIERARCH ESO ISS PBLA23 END 45.2
HIERARCH ESO ISS PBL24 START 89.309
HIERARCH ESO ISS PBL24 END 89.319
HIERARCH ESO ISS PBLA24 START 16.15
HIERARCH ESO ISS PBLA24 END 16.229
HIERARCH ESO ISS PBL34 START 48.612
HIERARCH ESO ISS PBL34 END 48.613
HIERARCH ESO ISS PBLA34 START 342.392
HIERARCH ESO ISS PBLA34 END 342.443
HIERARCH ESO ISS AMBI TAU0 START 0.002023
HIERARCH ESO ISS AMBI TAU0 END 0.002023
HIERARCH ESO ISS AMBI TEMP 12.88
HIERARCH ESO ISS AMBI FWHM START 1.02
HIERARCH ESO ISS AMBI FWHM END 1.09