Exposure
ID
PIONI.2025-06-17T07:50:17.189_1
Header ID
PIONI.2025-06-17T07:50:17.189
Date updated
2025-06-17 07:55:48 UTC+0000
Release date
2026-06-17 07:55:47 UTC+0000
UTC Start
2025-06-17 07:50:17.189
UTC End
2025-06-17 07:50:42.789
MJD Start
60843.3265878316
MJD End
60843.3268841279
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003417
Ambient temperature (°C)
6.62
Seeing (arcsec)
0.7
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 77.3680 77.2920 138.7000 138.9000
A0-J2 103.4870 103.3120 111.5000 111.6000
A0-K0 103.7040 103.5220 84.3410 84.3880
G1-J2 49.6380 49.5700 65.9000 65.9000
G1-K0 86.0330 85.9910 37.3450 37.3660
J2-K0 48.5900 48.5900 8.1500 8.2140
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 60843.3265878316
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 77.368
HIERARCH ESO ISS PBL12 END 77.292
HIERARCH ESO ISS PBLA12 START 138.7
HIERARCH ESO ISS PBLA12 END 138.9
HIERARCH ESO ISS PBL13 START 103.487
HIERARCH ESO ISS PBL13 END 103.312
HIERARCH ESO ISS PBLA13 START 111.5
HIERARCH ESO ISS PBLA13 END 111.6
HIERARCH ESO ISS PBL14 START 103.704
HIERARCH ESO ISS PBL14 END 103.522
HIERARCH ESO ISS PBLA14 START 84.341
HIERARCH ESO ISS PBLA14 END 84.388
HIERARCH ESO ISS PBL23 START 49.638
HIERARCH ESO ISS PBL23 END 49.57
HIERARCH ESO ISS PBLA23 START 65.9
HIERARCH ESO ISS PBLA23 END 65.9
HIERARCH ESO ISS PBL24 START 86.033
HIERARCH ESO ISS PBL24 END 85.991
HIERARCH ESO ISS PBLA24 START 37.345
HIERARCH ESO ISS PBLA24 END 37.366
HIERARCH ESO ISS PBL34 START 48.59
HIERARCH ESO ISS PBL34 END 48.59
HIERARCH ESO ISS PBLA34 START 8.15
HIERARCH ESO ISS PBLA34 END 8.214
HIERARCH ESO ISS AMBI TAU0 START 0.003417
HIERARCH ESO ISS AMBI TAU0 END 0.003417
HIERARCH ESO ISS AMBI TEMP 6.62
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.7