Exposure
ID
PIONI.2025-06-24T07:39:22.321_1
Header ID
PIONI.2025-06-24T07:39:22.321
Date updated
2025-06-24 07:45:51 UTC+0000
Release date
2026-06-24 07:45:50 UTC+0000
UTC Start
2025-06-24 07:39:22.321
UTC End
2025-06-24 07:39:47.921
MJD Start
60850.3190083406
MJD End
60850.3193046369
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004431
Ambient temperature (°C)
10.93
Seeing (arcsec)
0.51
Observation
ID
68227
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 23.7850 23.7810 167.8000 167.9000
A0-D0 24.6200 24.5700 85.7000 85.7000
A0-C1 18.8200 18.8010 142.2240 142.3550
B2-D0 31.8060 31.7880 37.9000 37.9000
B2-C1 10.5960 10.5910 37.8260 37.8420
D0-C1 21.2100 21.1980 217.8800 217.8960
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 60850.3190083406
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 23.785
HIERARCH ESO ISS PBL12 END 23.781
HIERARCH ESO ISS PBLA12 START 167.8
HIERARCH ESO ISS PBLA12 END 167.9
HIERARCH ESO ISS PBL13 START 24.62
HIERARCH ESO ISS PBL13 END 24.57
HIERARCH ESO ISS PBLA13 START 85.7
HIERARCH ESO ISS PBLA13 END 85.7
HIERARCH ESO ISS PBL14 START 18.82
HIERARCH ESO ISS PBL14 END 18.801
HIERARCH ESO ISS PBLA14 START 142.224
HIERARCH ESO ISS PBLA14 END 142.355
HIERARCH ESO ISS PBL23 START 31.806
HIERARCH ESO ISS PBL23 END 31.788
HIERARCH ESO ISS PBLA23 START 37.9
HIERARCH ESO ISS PBLA23 END 37.9
HIERARCH ESO ISS PBL24 START 10.596
HIERARCH ESO ISS PBL24 END 10.591
HIERARCH ESO ISS PBLA24 START 37.826
HIERARCH ESO ISS PBLA24 END 37.842
HIERARCH ESO ISS PBL34 START 21.21
HIERARCH ESO ISS PBL34 END 21.198
HIERARCH ESO ISS PBLA34 START 217.88
HIERARCH ESO ISS PBLA34 END 217.896
HIERARCH ESO ISS AMBI TAU0 START 0.004431
HIERARCH ESO ISS AMBI TAU0 END 0.004431
HIERARCH ESO ISS AMBI TEMP 10.93
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.51