Exposure
ID
PIONI.2025-08-15T04:29:48.130_1
Header ID
PIONI.2025-08-15T04:29:48.130
Date updated
2025-08-15 04:35:47 UTC+0000
Release date
2026-08-15 04:35:47 UTC+0000
UTC Start
2025-08-15 04:29:48.130
UTC End
2025-08-15 04:30:13.730
MJD Start
60902.187362616
MJD End
60902.1876589123
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002512
Ambient temperature (°C)
10.17
Seeing (arcsec)
1.2
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 49.4500 49.3470 295.3000 295.4000
K0-D0 70.0160 69.8570 266.9000 266.9000
K0-J3 54.9490 54.9480 358.5700 358.6610
G2-D0 35.4690 35.4370 225.3000 225.3000
G2-J3 54.9640 54.9000 52.0510 52.0550
D0-J3 90.2830 90.1860 49.3970 49.4010
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 60902.187362616
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 49.45
HIERARCH ESO ISS PBL12 END 49.347
HIERARCH ESO ISS PBLA12 START 295.3
HIERARCH ESO ISS PBLA12 END 295.4
HIERARCH ESO ISS PBL13 START 70.016
HIERARCH ESO ISS PBL13 END 69.857
HIERARCH ESO ISS PBLA13 START 266.9
HIERARCH ESO ISS PBLA13 END 266.9
HIERARCH ESO ISS PBL14 START 54.949
HIERARCH ESO ISS PBL14 END 54.948
HIERARCH ESO ISS PBLA14 START 358.57
HIERARCH ESO ISS PBLA14 END 358.661
HIERARCH ESO ISS PBL23 START 35.469
HIERARCH ESO ISS PBL23 END 35.437
HIERARCH ESO ISS PBLA23 START 225.3
HIERARCH ESO ISS PBLA23 END 225.3
HIERARCH ESO ISS PBL24 START 54.964
HIERARCH ESO ISS PBL24 END 54.9
HIERARCH ESO ISS PBLA24 START 52.051
HIERARCH ESO ISS PBLA24 END 52.055
HIERARCH ESO ISS PBL34 START 90.283
HIERARCH ESO ISS PBL34 END 90.186
HIERARCH ESO ISS PBLA34 START 49.397
HIERARCH ESO ISS PBLA34 END 49.401
HIERARCH ESO ISS AMBI TAU0 START 0.002512
HIERARCH ESO ISS AMBI TAU0 END 0.002512
HIERARCH ESO ISS AMBI TEMP 10.17
HIERARCH ESO ISS AMBI FWHM START 1.2
HIERARCH ESO ISS AMBI FWHM END 1.2