Exposure
ID
PIONI.2025-06-17T08:23:23.028_1
Header ID
PIONI.2025-06-17T08:23:23.028
Date updated
2025-06-17 08:31:13 UTC+0000
Release date
2026-06-17 08:31:13 UTC+0000
UTC Start
2025-06-17 08:23:23.028
UTC End
2025-06-17 08:23:48.628
MJD Start
60843.3495720834
MJD End
60843.3498683797
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003984
Ambient temperature (°C)
6.64
Seeing (arcsec)
0.89
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 73.2620 73.1890 145.9000 146.1000
A0-J2 93.2880 93.0950 117.3000 117.4000
A0-K0 92.7880 92.5740 87.0020 87.0520
G1-J2 45.5350 45.4540 66.8000 66.9000
G1-K0 83.4410 83.3880 38.2270 38.2380
J2-K0 48.6320 48.6330 11.5800 11.6410
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 60843.3495720834
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 73.262
HIERARCH ESO ISS PBL12 END 73.189
HIERARCH ESO ISS PBLA12 START 145.9
HIERARCH ESO ISS PBLA12 END 146.1
HIERARCH ESO ISS PBL13 START 93.288
HIERARCH ESO ISS PBL13 END 93.095
HIERARCH ESO ISS PBLA13 START 117.3
HIERARCH ESO ISS PBLA13 END 117.4
HIERARCH ESO ISS PBL14 START 92.788
HIERARCH ESO ISS PBL14 END 92.574
HIERARCH ESO ISS PBLA14 START 87.002
HIERARCH ESO ISS PBLA14 END 87.052
HIERARCH ESO ISS PBL23 START 45.535
HIERARCH ESO ISS PBL23 END 45.454
HIERARCH ESO ISS PBLA23 START 66.8
HIERARCH ESO ISS PBLA23 END 66.9
HIERARCH ESO ISS PBL24 START 83.441
HIERARCH ESO ISS PBL24 END 83.388
HIERARCH ESO ISS PBLA24 START 38.227
HIERARCH ESO ISS PBLA24 END 38.238
HIERARCH ESO ISS PBL34 START 48.632
HIERARCH ESO ISS PBL34 END 48.633
HIERARCH ESO ISS PBLA34 START 11.58
HIERARCH ESO ISS PBLA34 END 11.641
HIERARCH ESO ISS AMBI TAU0 START 0.004176
HIERARCH ESO ISS AMBI TAU0 END 0.003792
HIERARCH ESO ISS AMBI TEMP 6.64
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.89