Exposure
ID
PIONI.2025-08-15T04:29:10.236_1
Header ID
PIONI.2025-08-15T04:29:10.236
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 04:29:10.236
UTC End
2025-08-15 04:29:35.836
MJD Start
60902.1869240291
MJD End
60902.187220325395
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002512
Ambient temperature (°C)
10.2
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 49.5600 49.4560 295.2000 295.3000
K0-D0 70.1840 70.0250 266.8000 266.9000
K0-J3 54.9500 54.9490 358.4740 358.5650
G2-D0 35.5020 35.4710 225.3000 225.3000
G2-J3 55.0320 54.9680 52.0460 52.0510
D0-J3 90.3840 90.2880 49.3920 49.3970
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 60902.1869240291
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 49.56
HIERARCH ESO ISS PBL12 END 49.456
HIERARCH ESO ISS PBLA12 START 295.2
HIERARCH ESO ISS PBLA12 END 295.3
HIERARCH ESO ISS PBL13 START 70.184
HIERARCH ESO ISS PBL13 END 70.025
HIERARCH ESO ISS PBLA13 START 266.8
HIERARCH ESO ISS PBLA13 END 266.9
HIERARCH ESO ISS PBL14 START 54.95
HIERARCH ESO ISS PBL14 END 54.949
HIERARCH ESO ISS PBLA14 START 358.474
HIERARCH ESO ISS PBLA14 END 358.565
HIERARCH ESO ISS PBL23 START 35.502
HIERARCH ESO ISS PBL23 END 35.471
HIERARCH ESO ISS PBLA23 START 225.3
HIERARCH ESO ISS PBLA23 END 225.3
HIERARCH ESO ISS PBL24 START 55.032
HIERARCH ESO ISS PBL24 END 54.968
HIERARCH ESO ISS PBLA24 START 52.046
HIERARCH ESO ISS PBLA24 END 52.051
HIERARCH ESO ISS PBL34 START 90.384
HIERARCH ESO ISS PBL34 END 90.288
HIERARCH ESO ISS PBLA34 START 49.392
HIERARCH ESO ISS PBLA34 END 49.397
HIERARCH ESO ISS AMBI TAU0 START 0.002512
HIERARCH ESO ISS AMBI TAU0 END 0.002512
HIERARCH ESO ISS AMBI TEMP 10.2
HIERARCH ESO ISS AMBI FWHM START 1.2
HIERARCH ESO ISS AMBI FWHM END 1.2