Exposure
ID
PIONI.2025-07-20T04:24:05.986_1
Header ID
PIONI.2025-07-20T04:24:05.986
Date updated
2025-07-20 04:30:54 UTC+0000
Release date
2026-07-20 04:30:53 UTC+0000
UTC Start
2025-07-20 04:24:05.985
UTC End
2025-07-20 04:24:31.585
MJD Start
60876.1834026054
MJD End
60876.183698901696
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002124
Ambient temperature (°C)
13.45
Seeing (arcsec)
1.47
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 86.0310 85.9750 125.9000 126.0000
A0-J2 121.6070 121.5030 101.4000 101.5000
A0-K0 121.4750 121.3790 78.4080 78.4560
G1-J2 56.0920 56.0590 62.0000 62.0000
G1-K0 89.6620 89.6450 33.3750 33.4160
J2-K0 48.5260 48.5260 359.7690 359.8360
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 60876.1834026054
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 86.031
HIERARCH ESO ISS PBL12 END 85.975
HIERARCH ESO ISS PBLA12 START 125.9
HIERARCH ESO ISS PBLA12 END 126.0
HIERARCH ESO ISS PBL13 START 121.607
HIERARCH ESO ISS PBL13 END 121.503
HIERARCH ESO ISS PBLA13 START 101.4
HIERARCH ESO ISS PBLA13 END 101.5
HIERARCH ESO ISS PBL14 START 121.475
HIERARCH ESO ISS PBL14 END 121.379
HIERARCH ESO ISS PBLA14 START 78.408
HIERARCH ESO ISS PBLA14 END 78.456
HIERARCH ESO ISS PBL23 START 56.092
HIERARCH ESO ISS PBL23 END 56.059
HIERARCH ESO ISS PBLA23 START 62.0
HIERARCH ESO ISS PBLA23 END 62.0
HIERARCH ESO ISS PBL24 START 89.662
HIERARCH ESO ISS PBL24 END 89.645
HIERARCH ESO ISS PBLA24 START 33.375
HIERARCH ESO ISS PBLA24 END 33.416
HIERARCH ESO ISS PBL34 START 48.526
HIERARCH ESO ISS PBL34 END 48.526
HIERARCH ESO ISS PBLA34 START 359.769
HIERARCH ESO ISS PBLA34 END 359.836
HIERARCH ESO ISS AMBI TAU0 START 0.002124
HIERARCH ESO ISS AMBI TAU0 END 0.002124
HIERARCH ESO ISS AMBI TEMP 13.45
HIERARCH ESO ISS AMBI FWHM START 1.47
HIERARCH ESO ISS AMBI FWHM END 1.47