Exposure
ID
PIONI.2025-06-22T07:50:32.702_1
Header ID
PIONI.2025-06-22T07:50:32.702
Date updated
2025-06-22 07:55:49 UTC+0000
Release date
2026-06-22 07:55:49 UTC+0000
UTC Start
2025-06-22 07:50:32.702
UTC End
2025-06-22 07:50:58.302
MJD Start
60848.3267673887
MJD End
60848.327063685
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003131
Ambient temperature (°C)
11.61
Seeing (arcsec)
0.46
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 51.4260 51.3250 293.2000 293.3000
K0-D0 73.0170 72.8650 265.9000 266.0000
K0-J3 54.9740 54.9730 356.8160 356.9070
G2-D0 36.0640 36.0350 225.1000 225.1000
G2-J3 56.1750 56.1160 51.9280 51.9360
D0-J3 92.0840 91.9960 49.2710 49.2790
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 60848.3267673887
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 51.426
HIERARCH ESO ISS PBL12 END 51.325
HIERARCH ESO ISS PBLA12 START 293.2
HIERARCH ESO ISS PBLA12 END 293.3
HIERARCH ESO ISS PBL13 START 73.017
HIERARCH ESO ISS PBL13 END 72.865
HIERARCH ESO ISS PBLA13 START 265.9
HIERARCH ESO ISS PBLA13 END 266.0
HIERARCH ESO ISS PBL14 START 54.974
HIERARCH ESO ISS PBL14 END 54.973
HIERARCH ESO ISS PBLA14 START 356.816
HIERARCH ESO ISS PBLA14 END 356.907
HIERARCH ESO ISS PBL23 START 36.064
HIERARCH ESO ISS PBL23 END 36.035
HIERARCH ESO ISS PBLA23 START 225.1
HIERARCH ESO ISS PBLA23 END 225.1
HIERARCH ESO ISS PBL24 START 56.175
HIERARCH ESO ISS PBL24 END 56.116
HIERARCH ESO ISS PBLA24 START 51.928
HIERARCH ESO ISS PBLA24 END 51.936
HIERARCH ESO ISS PBL34 START 92.084
HIERARCH ESO ISS PBL34 END 91.996
HIERARCH ESO ISS PBLA34 START 49.271
HIERARCH ESO ISS PBLA34 END 49.279
HIERARCH ESO ISS AMBI TAU0 START 0.003131
HIERARCH ESO ISS AMBI TAU0 END 0.003131
HIERARCH ESO ISS AMBI TEMP 11.61
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.46