Exposure
ID
PIONI.2025-07-17T01:30:48.530_1
Header ID
PIONI.2025-07-17T01:30:48.530
Date updated
2025-07-17 01:41:12 UTC+0000
Release date
2026-07-17 01:41:12 UTC+0000
UTC Start
2025-07-17 01:30:48.530
UTC End
2025-07-17 01:31:14.130
MJD Start
60873.0630616946
MJD End
60873.0633579909
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007474
Ambient temperature (°C)
12.83
Seeing (arcsec)
0.65
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 84.8350 84.9050 107.9000 108.0000
A0-J2 119.0050 119.1270 83.1000 83.1000
A0-K0 118.8270 118.9260 59.5110 59.5960
G1-J2 55.0920 55.1230 42.8000 42.9000
G1-K0 89.0590 89.0690 14.0860 14.1670
J2-K0 48.5650 48.5670 341.0900 341.1390
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 60873.0630616946
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 84.835
HIERARCH ESO ISS PBL12 END 84.905
HIERARCH ESO ISS PBLA12 START 107.9
HIERARCH ESO ISS PBLA12 END 108.0
HIERARCH ESO ISS PBL13 START 119.005
HIERARCH ESO ISS PBL13 END 119.127
HIERARCH ESO ISS PBLA13 START 83.1
HIERARCH ESO ISS PBLA13 END 83.1
HIERARCH ESO ISS PBL14 START 118.827
HIERARCH ESO ISS PBL14 END 118.926
HIERARCH ESO ISS PBLA14 START 59.511
HIERARCH ESO ISS PBLA14 END 59.596
HIERARCH ESO ISS PBL23 START 55.092
HIERARCH ESO ISS PBL23 END 55.123
HIERARCH ESO ISS PBLA23 START 42.8
HIERARCH ESO ISS PBLA23 END 42.9
HIERARCH ESO ISS PBL24 START 89.059
HIERARCH ESO ISS PBL24 END 89.069
HIERARCH ESO ISS PBLA24 START 14.086
HIERARCH ESO ISS PBLA24 END 14.167
HIERARCH ESO ISS PBL34 START 48.565
HIERARCH ESO ISS PBL34 END 48.567
HIERARCH ESO ISS PBLA34 START 341.09
HIERARCH ESO ISS PBLA34 END 341.139
HIERARCH ESO ISS AMBI TAU0 START 0.007474
HIERARCH ESO ISS AMBI TAU0 END 0.007474
HIERARCH ESO ISS AMBI TEMP 12.83
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.65