Exposure
ID
PIONI.2025-08-23T04:47:45.840_1
Header ID
PIONI.2025-08-23T04:47:45.840
Date updated
2025-08-23 04:55:44 UTC+0000
Release date
2026-08-23 04:55:44 UTC+0000
UTC Start
2025-08-23 04:47:45.840
UTC End
2025-08-23 04:48:11.440
MJD Start
60910.1998361098
MJD End
60910.2001324061
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002481
Ambient temperature (°C)
2.62
Seeing (arcsec)
0.93
Observation
ID
70076
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
51926
Name
V VX Sgr
RA
272.016259
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 47.1370 47.1400 185.2000 185.3000
A0-J2 77.5680 77.3730 128.7000 128.9000
A0-J6 147.4520 147.3250 38.4900 38.4840
B5-J2 64.8520 64.6300 91.4000 91.4000
B5-J6 188.6430 188.5540 30.6080 30.6190
J2-J6 166.8480 166.8570 10.7790 10.8510
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 60910.1998361098
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016259
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 47.137
HIERARCH ESO ISS PBL12 END 47.14
HIERARCH ESO ISS PBLA12 START 185.2
HIERARCH ESO ISS PBLA12 END 185.3
HIERARCH ESO ISS PBL13 START 77.568
HIERARCH ESO ISS PBL13 END 77.373
HIERARCH ESO ISS PBLA13 START 128.7
HIERARCH ESO ISS PBLA13 END 128.9
HIERARCH ESO ISS PBL14 START 147.452
HIERARCH ESO ISS PBL14 END 147.325
HIERARCH ESO ISS PBLA14 START 38.49
HIERARCH ESO ISS PBLA14 END 38.484
HIERARCH ESO ISS PBL23 START 64.852
HIERARCH ESO ISS PBL23 END 64.63
HIERARCH ESO ISS PBLA23 START 91.4
HIERARCH ESO ISS PBLA23 END 91.4
HIERARCH ESO ISS PBL24 START 188.643
HIERARCH ESO ISS PBL24 END 188.554
HIERARCH ESO ISS PBLA24 START 30.608
HIERARCH ESO ISS PBLA24 END 30.619
HIERARCH ESO ISS PBL34 START 166.848
HIERARCH ESO ISS PBL34 END 166.857
HIERARCH ESO ISS PBLA34 START 10.779
HIERARCH ESO ISS PBLA34 END 10.851
HIERARCH ESO ISS AMBI TAU0 START 0.002481
HIERARCH ESO ISS AMBI TAU0 END 0.002481
HIERARCH ESO ISS AMBI TEMP 2.62
HIERARCH ESO ISS AMBI FWHM START 0.93
HIERARCH ESO ISS AMBI FWHM END 0.93