Exposure
ID
PIONI.2025-06-24T07:52:41.104_1
Header ID
PIONI.2025-06-24T07:52:41.104
Date updated
2025-06-24 08:00:55 UTC+0000
Release date
2026-06-24 08:00:54 UTC+0000
UTC Start
2025-06-24 07:52:41.104
UTC End
2025-06-24 07:53:06.704
MJD Start
60850.3282535197
MJD End
60850.328549816
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004584
Ambient temperature (°C)
10.99
Seeing (arcsec)
0.51
Observation
ID
68227
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 23.6950 23.6910 170.2000 170.3000
A0-D0 23.4850 23.4320 86.7000 86.8000
A0-C1 18.4100 18.3920 145.2040 145.3430
B2-D0 31.3960 31.3760 38.2000 38.2000
B2-C1 10.4600 10.4540 38.1370 38.1490
D0-C1 20.9360 20.9230 218.1900 218.2020
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 60850.3282535197
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 23.695
HIERARCH ESO ISS PBL12 END 23.691
HIERARCH ESO ISS PBLA12 START 170.2
HIERARCH ESO ISS PBLA12 END 170.3
HIERARCH ESO ISS PBL13 START 23.485
HIERARCH ESO ISS PBL13 END 23.432
HIERARCH ESO ISS PBLA13 START 86.7
HIERARCH ESO ISS PBLA13 END 86.8
HIERARCH ESO ISS PBL14 START 18.41
HIERARCH ESO ISS PBL14 END 18.392
HIERARCH ESO ISS PBLA14 START 145.204
HIERARCH ESO ISS PBLA14 END 145.343
HIERARCH ESO ISS PBL23 START 31.396
HIERARCH ESO ISS PBL23 END 31.376
HIERARCH ESO ISS PBLA23 START 38.2
HIERARCH ESO ISS PBLA23 END 38.2
HIERARCH ESO ISS PBL24 START 10.46
HIERARCH ESO ISS PBL24 END 10.454
HIERARCH ESO ISS PBLA24 START 38.137
HIERARCH ESO ISS PBLA24 END 38.149
HIERARCH ESO ISS PBL34 START 20.936
HIERARCH ESO ISS PBL34 END 20.923
HIERARCH ESO ISS PBLA34 START 218.19
HIERARCH ESO ISS PBLA34 END 218.202
HIERARCH ESO ISS AMBI TAU0 START 0.004584
HIERARCH ESO ISS AMBI TAU0 END 0.004584
HIERARCH ESO ISS AMBI TEMP 10.99
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.51