Exposure
ID
PIONI.2025-06-22T07:52:24.991_1
Header ID
PIONI.2025-06-22T07:52:24.991
Date updated
2025-06-22 08:00:41 UTC+0000
Release date
2026-06-22 08:00:41 UTC+0000
UTC Start
2025-06-22 07:52:24.991
UTC End
2025-06-22 07:52:50.591
MJD Start
60848.3280670308
MJD End
60848.3283633271
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002997
Ambient temperature (°C)
11.48
Seeing (arcsec)
0.49
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 51.1090 51.0080 293.5000 293.6000
K0-D0 72.5410 72.3880 266.1000 266.1000
K0-J3 54.9690 54.9670 357.1010 357.1910
G2-D0 35.9710 35.9410 225.2000 225.2000
G2-J3 55.9850 55.9240 51.9530 51.9610
D0-J3 91.8020 91.7110 49.2970 49.3050
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 60848.3280670308
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 51.109
HIERARCH ESO ISS PBL12 END 51.008
HIERARCH ESO ISS PBLA12 START 293.5
HIERARCH ESO ISS PBLA12 END 293.6
HIERARCH ESO ISS PBL13 START 72.541
HIERARCH ESO ISS PBL13 END 72.388
HIERARCH ESO ISS PBLA13 START 266.1
HIERARCH ESO ISS PBLA13 END 266.1
HIERARCH ESO ISS PBL14 START 54.969
HIERARCH ESO ISS PBL14 END 54.967
HIERARCH ESO ISS PBLA14 START 357.101
HIERARCH ESO ISS PBLA14 END 357.191
HIERARCH ESO ISS PBL23 START 35.971
HIERARCH ESO ISS PBL23 END 35.941
HIERARCH ESO ISS PBLA23 START 225.2
HIERARCH ESO ISS PBLA23 END 225.2
HIERARCH ESO ISS PBL24 START 55.985
HIERARCH ESO ISS PBL24 END 55.924
HIERARCH ESO ISS PBLA24 START 51.953
HIERARCH ESO ISS PBLA24 END 51.961
HIERARCH ESO ISS PBL34 START 91.802
HIERARCH ESO ISS PBL34 END 91.711
HIERARCH ESO ISS PBLA34 START 49.297
HIERARCH ESO ISS PBLA34 END 49.305
HIERARCH ESO ISS AMBI TAU0 START 0.002997
HIERARCH ESO ISS AMBI TAU0 END 0.002997
HIERARCH ESO ISS AMBI TEMP 11.48
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49