Exposure
ID
PIONI.2025-06-17T07:37:45.938_1
Header ID
PIONI.2025-06-17T07:37:45.938
Date updated
2025-06-17 07:45:43 UTC+0000
Release date
2026-06-17 07:45:43 UTC+0000
UTC Start
2025-06-17 07:37:45.938
UTC End
2025-06-17 07:38:11.538
MJD Start
60843.3178927987
MJD End
60843.318189095
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003368
Ambient temperature (°C)
6.71
Seeing (arcsec)
0.85
Observation
ID
68114
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
50630
Name
V VX Sgr
RA
272.015659
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 78.9290 78.8550 136.3000 136.4000
A0-J2 107.0440 106.8780 109.6000 109.6000
A0-K0 107.3500 107.1810 83.3680 83.4140
G1-J2 50.9900 50.9280 65.4000 65.4000
G1-K0 86.8500 86.8120 36.8740 36.8980
J2-K0 48.5730 48.5730 6.8110 6.8760
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 60843.3178927987
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.015659
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 78.929
HIERARCH ESO ISS PBL12 END 78.855
HIERARCH ESO ISS PBLA12 START 136.3
HIERARCH ESO ISS PBLA12 END 136.4
HIERARCH ESO ISS PBL13 START 107.044
HIERARCH ESO ISS PBL13 END 106.878
HIERARCH ESO ISS PBLA13 START 109.6
HIERARCH ESO ISS PBLA13 END 109.6
HIERARCH ESO ISS PBL14 START 107.35
HIERARCH ESO ISS PBL14 END 107.181
HIERARCH ESO ISS PBLA14 START 83.368
HIERARCH ESO ISS PBLA14 END 83.414
HIERARCH ESO ISS PBL23 START 50.99
HIERARCH ESO ISS PBL23 END 50.928
HIERARCH ESO ISS PBLA23 START 65.4
HIERARCH ESO ISS PBLA23 END 65.4
HIERARCH ESO ISS PBL24 START 86.85
HIERARCH ESO ISS PBL24 END 86.812
HIERARCH ESO ISS PBLA24 START 36.874
HIERARCH ESO ISS PBLA24 END 36.898
HIERARCH ESO ISS PBL34 START 48.573
HIERARCH ESO ISS PBL34 END 48.573
HIERARCH ESO ISS PBLA34 START 6.811
HIERARCH ESO ISS PBLA34 END 6.876
HIERARCH ESO ISS AMBI TAU0 START 0.003368
HIERARCH ESO ISS AMBI TAU0 END 0.003368
HIERARCH ESO ISS AMBI TEMP 6.71
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.85