Exposure
ID
PIONI.2025-08-15T02:38:09.607_1
Header ID
PIONI.2025-08-15T02:38:09.607
Date updated
2025-08-15 02:45:39 UTC+0000
Release date
2026-08-15 02:45:39 UTC+0000
UTC Start
2025-08-15 02:38:09.608
UTC End
2025-08-15 02:38:35.208
MJD Start
60902.1098334207
MJD End
60902.110129716995
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002091
Ambient temperature (°C)
11.09
Seeing (arcsec)
1.19
Observation
ID
68194
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
50684
Name
V VX Sgr
RA
272.016859
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 64.6510 64.5980 279.7000 279.8000
K0-D0 91.5350 91.4660 258.1000 258.2000
K0-J3 55.8050 55.7980 342.4970 342.5750
G2-D0 39.4240 39.4130 221.0000 221.0000
G2-J3 63.1960 63.1720 47.9710 48.0090
D0-J3 102.4380 102.4040 45.2820 45.3200
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 60902.1098334207
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 64.651
HIERARCH ESO ISS PBL12 END 64.598
HIERARCH ESO ISS PBLA12 START 279.7
HIERARCH ESO ISS PBLA12 END 279.8
HIERARCH ESO ISS PBL13 START 91.535
HIERARCH ESO ISS PBL13 END 91.466
HIERARCH ESO ISS PBLA13 START 258.1
HIERARCH ESO ISS PBLA13 END 258.2
HIERARCH ESO ISS PBL14 START 55.805
HIERARCH ESO ISS PBL14 END 55.798
HIERARCH ESO ISS PBLA14 START 342.497
HIERARCH ESO ISS PBLA14 END 342.575
HIERARCH ESO ISS PBL23 START 39.424
HIERARCH ESO ISS PBL23 END 39.413
HIERARCH ESO ISS PBLA23 START 221.0
HIERARCH ESO ISS PBLA23 END 221.0
HIERARCH ESO ISS PBL24 START 63.196
HIERARCH ESO ISS PBL24 END 63.172
HIERARCH ESO ISS PBLA24 START 47.971
HIERARCH ESO ISS PBLA24 END 48.009
HIERARCH ESO ISS PBL34 START 102.438
HIERARCH ESO ISS PBL34 END 102.404
HIERARCH ESO ISS PBLA34 START 45.282
HIERARCH ESO ISS PBLA34 END 45.32
HIERARCH ESO ISS AMBI TAU0 START 0.002091
HIERARCH ESO ISS AMBI TAU0 END 0.002091
HIERARCH ESO ISS AMBI TEMP 11.09
HIERARCH ESO ISS AMBI FWHM START 1.19
HIERARCH ESO ISS AMBI FWHM END 1.19