Exposure
ID
PIONI.2025-08-15T02:38:47.563_1
Header ID
PIONI.2025-08-15T02:38:47.563
Date updated
2025-08-15 02:45:39 UTC+0000
Release date
2026-08-15 02:45:39 UTC+0000
UTC Start
2025-08-15 02:38:47.563
UTC End
2025-08-15 02:39:13.163
MJD Start
60902.1102727158
MJD End
60902.1105690121
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002091
Ambient temperature (°C)
11.14
Seeing (arcsec)
1.19
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 64.5950 64.5410 279.8000 279.8000
K0-D0 91.4620 91.3930 258.2000 258.2000
K0-J3 55.7980 55.7910 342.5800 342.6590
G2-D0 39.4120 39.4020 221.0000 221.0000
G2-J3 63.1710 63.1470 48.0110 48.0480
D0-J3 102.4020 102.3680 45.3220 45.3600
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 60902.1102727158
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 64.595
HIERARCH ESO ISS PBL12 END 64.541
HIERARCH ESO ISS PBLA12 START 279.8
HIERARCH ESO ISS PBLA12 END 279.8
HIERARCH ESO ISS PBL13 START 91.462
HIERARCH ESO ISS PBL13 END 91.393
HIERARCH ESO ISS PBLA13 START 258.2
HIERARCH ESO ISS PBLA13 END 258.2
HIERARCH ESO ISS PBL14 START 55.798
HIERARCH ESO ISS PBL14 END 55.791
HIERARCH ESO ISS PBLA14 START 342.58
HIERARCH ESO ISS PBLA14 END 342.659
HIERARCH ESO ISS PBL23 START 39.412
HIERARCH ESO ISS PBL23 END 39.402
HIERARCH ESO ISS PBLA23 START 221.0
HIERARCH ESO ISS PBLA23 END 221.0
HIERARCH ESO ISS PBL24 START 63.171
HIERARCH ESO ISS PBL24 END 63.147
HIERARCH ESO ISS PBLA24 START 48.011
HIERARCH ESO ISS PBLA24 END 48.048
HIERARCH ESO ISS PBL34 START 102.402
HIERARCH ESO ISS PBL34 END 102.368
HIERARCH ESO ISS PBLA34 START 45.322
HIERARCH ESO ISS PBLA34 END 45.36
HIERARCH ESO ISS AMBI TAU0 START 0.002091
HIERARCH ESO ISS AMBI TAU0 END 0.002091
HIERARCH ESO ISS AMBI TEMP 11.14
HIERARCH ESO ISS AMBI FWHM START 1.19
HIERARCH ESO ISS AMBI FWHM END 1.19