Exposure
ID
PIONI.2025-06-22T07:32:13.849_1
Header ID
PIONI.2025-06-22T07:32:13.849
Date updated
2025-06-22 07:40:43 UTC+0000
Release date
2026-06-22 07:40:42 UTC+0000
UTC Start
2025-06-22 07:32:13.849
UTC End
2025-06-22 07:32:39.449
MJD Start
60848.3140491787
MJD End
60848.314345474995
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0026485
Ambient temperature (°C)
11.43
Seeing (arcsec)
0.43
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 54.4010 54.3090 290.2000 290.3000
K0-D0 77.4120 77.2790 264.5000 264.5000
K0-J3 55.0520 55.0490 354.0690 354.1570
G2-D0 36.9190 36.8930 224.7000 224.8000
G2-J3 57.9260 57.8730 51.5770 51.5910
D0-J3 94.6840 94.6060 48.9160 48.9300
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 60848.3140491787
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 54.401
HIERARCH ESO ISS PBL12 END 54.309
HIERARCH ESO ISS PBLA12 START 290.2
HIERARCH ESO ISS PBLA12 END 290.3
HIERARCH ESO ISS PBL13 START 77.412
HIERARCH ESO ISS PBL13 END 77.279
HIERARCH ESO ISS PBLA13 START 264.5
HIERARCH ESO ISS PBLA13 END 264.5
HIERARCH ESO ISS PBL14 START 55.052
HIERARCH ESO ISS PBL14 END 55.049
HIERARCH ESO ISS PBLA14 START 354.069
HIERARCH ESO ISS PBLA14 END 354.157
HIERARCH ESO ISS PBL23 START 36.919
HIERARCH ESO ISS PBL23 END 36.893
HIERARCH ESO ISS PBLA23 START 224.7
HIERARCH ESO ISS PBLA23 END 224.8
HIERARCH ESO ISS PBL24 START 57.926
HIERARCH ESO ISS PBL24 END 57.873
HIERARCH ESO ISS PBLA24 START 51.577
HIERARCH ESO ISS PBLA24 END 51.591
HIERARCH ESO ISS PBL34 START 94.684
HIERARCH ESO ISS PBL34 END 94.606
HIERARCH ESO ISS PBLA34 START 48.916
HIERARCH ESO ISS PBLA34 END 48.93
HIERARCH ESO ISS AMBI TAU0 START 0.002455
HIERARCH ESO ISS AMBI TAU0 END 0.002842
HIERARCH ESO ISS AMBI TEMP 11.43
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.41