Exposure
ID
PIONI.2025-07-17T01:31:26.246_1
Header ID
PIONI.2025-07-17T01:31:26.246
Date updated
2025-07-17 01:41:12 UTC+0000
Release date
2026-07-17 01:41:12 UTC+0000
UTC Start
2025-07-17 01:31:26.246
UTC End
2025-07-17 01:31:51.846
MJD Start
60873.0634982153
MJD End
60873.063794511596
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0075905
Ambient temperature (°C)
12.83
Seeing (arcsec)
0.625
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 84.9090 84.9820 108.0000 108.0000
A0-J2 119.1300 119.2500 83.1000 83.2000
A0-K0 118.9290 119.0280 59.5990 59.6830
G1-J2 55.1240 55.1550 42.9000 43.0000
G1-K0 89.0690 89.0790 14.1690 14.2500
J2-K0 48.5670 48.5700 341.1400 341.1890
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 60873.0634982153
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 84.909
HIERARCH ESO ISS PBL12 END 84.982
HIERARCH ESO ISS PBLA12 START 108.0
HIERARCH ESO ISS PBLA12 END 108.0
HIERARCH ESO ISS PBL13 START 119.13
HIERARCH ESO ISS PBL13 END 119.25
HIERARCH ESO ISS PBLA13 START 83.1
HIERARCH ESO ISS PBLA13 END 83.2
HIERARCH ESO ISS PBL14 START 118.929
HIERARCH ESO ISS PBL14 END 119.028
HIERARCH ESO ISS PBLA14 START 59.599
HIERARCH ESO ISS PBLA14 END 59.683
HIERARCH ESO ISS PBL23 START 55.124
HIERARCH ESO ISS PBL23 END 55.155
HIERARCH ESO ISS PBLA23 START 42.9
HIERARCH ESO ISS PBLA23 END 43.0
HIERARCH ESO ISS PBL24 START 89.069
HIERARCH ESO ISS PBL24 END 89.079
HIERARCH ESO ISS PBLA24 START 14.169
HIERARCH ESO ISS PBLA24 END 14.25
HIERARCH ESO ISS PBL34 START 48.567
HIERARCH ESO ISS PBL34 END 48.57
HIERARCH ESO ISS PBLA34 START 341.14
HIERARCH ESO ISS PBLA34 END 341.189
HIERARCH ESO ISS AMBI TAU0 START 0.007474
HIERARCH ESO ISS AMBI TAU0 END 0.007707
HIERARCH ESO ISS AMBI TEMP 12.83
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.6