Exposure
ID
PIONI.2025-07-25T06:55:03.132_1
Header ID
PIONI.2025-07-25T06:55:03.132
Date updated
2025-07-25 07:00:57 UTC+0000
Release date
2026-07-25 07:00:57 UTC+0000
UTC Start
2025-07-25 06:55:03.132
UTC End
2025-07-25 06:55:28.732
MJD Start
60881.2882306962
MJD End
60881.288526992495
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0039145
Ambient temperature (°C)
11.91
Seeing (arcsec)
0.71
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 23.5340 23.5350 182.0000 182.1000
A0-D0 17.1070 17.0410 92.8000 92.9000
A0-C1 16.7610 16.7500 162.1620 162.3390
B2-D0 28.9120 28.8850 38.3000 38.3000
B2-C1 9.6340 9.6250 38.2880 38.2770
D0-C1 19.2780 19.2600 218.3330 218.3230
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 60881.2882306962
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 23.534
HIERARCH ESO ISS PBL12 END 23.535
HIERARCH ESO ISS PBLA12 START 182.0
HIERARCH ESO ISS PBLA12 END 182.1
HIERARCH ESO ISS PBL13 START 17.107
HIERARCH ESO ISS PBL13 END 17.041
HIERARCH ESO ISS PBLA13 START 92.8
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 16.761
HIERARCH ESO ISS PBL14 END 16.75
HIERARCH ESO ISS PBLA14 START 162.162
HIERARCH ESO ISS PBLA14 END 162.339
HIERARCH ESO ISS PBL23 START 28.912
HIERARCH ESO ISS PBL23 END 28.885
HIERARCH ESO ISS PBLA23 START 38.3
HIERARCH ESO ISS PBLA23 END 38.3
HIERARCH ESO ISS PBL24 START 9.634
HIERARCH ESO ISS PBL24 END 9.625
HIERARCH ESO ISS PBLA24 START 38.288
HIERARCH ESO ISS PBLA24 END 38.277
HIERARCH ESO ISS PBL34 START 19.278
HIERARCH ESO ISS PBL34 END 19.26
HIERARCH ESO ISS PBLA34 START 218.333
HIERARCH ESO ISS PBLA34 END 218.323
HIERARCH ESO ISS AMBI TAU0 START 0.00404
HIERARCH ESO ISS AMBI TAU0 END 0.003789
HIERARCH ESO ISS AMBI TEMP 11.91
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.71