Exposure
ID
PIONI.2025-07-25T04:27:36.906_1
Header ID
PIONI.2025-07-25T04:27:36.906
Date updated
2025-07-25 04:35:48 UTC+0000
Release date
2026-07-25 04:35:48 UTC+0000
UTC Start
2025-07-25 04:27:36.906
UTC End
2025-07-25 04:28:02.506
MJD Start
60881.1858438216
MJD End
60881.1861401179
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004019
Ambient temperature (°C)
12.43
Seeing (arcsec)
0.57
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 24.4490 24.4430 156.3000 156.3000
A0-D0 29.3200 29.2890 80.2000 80.3000
A0-C1 20.9230 20.9070 129.3340 129.4270
B2-D0 33.3390 33.3300 34.9000 34.9000
B2-C1 11.1060 11.1030 34.8160 34.8510
D0-C1 22.2330 22.2270 214.8750 214.9100
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 60881.1858438216
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 24.449
HIERARCH ESO ISS PBL12 END 24.443
HIERARCH ESO ISS PBLA12 START 156.3
HIERARCH ESO ISS PBLA12 END 156.3
HIERARCH ESO ISS PBL13 START 29.32
HIERARCH ESO ISS PBL13 END 29.289
HIERARCH ESO ISS PBLA13 START 80.2
HIERARCH ESO ISS PBLA13 END 80.3
HIERARCH ESO ISS PBL14 START 20.923
HIERARCH ESO ISS PBL14 END 20.907
HIERARCH ESO ISS PBLA14 START 129.334
HIERARCH ESO ISS PBLA14 END 129.427
HIERARCH ESO ISS PBL23 START 33.339
HIERARCH ESO ISS PBL23 END 33.33
HIERARCH ESO ISS PBLA23 START 34.9
HIERARCH ESO ISS PBLA23 END 34.9
HIERARCH ESO ISS PBL24 START 11.106
HIERARCH ESO ISS PBL24 END 11.103
HIERARCH ESO ISS PBLA24 START 34.816
HIERARCH ESO ISS PBLA24 END 34.851
HIERARCH ESO ISS PBL34 START 22.233
HIERARCH ESO ISS PBL34 END 22.227
HIERARCH ESO ISS PBLA34 START 214.875
HIERARCH ESO ISS PBLA34 END 214.91
HIERARCH ESO ISS AMBI TAU0 START 0.004019
HIERARCH ESO ISS AMBI TAU0 END 0.004019
HIERARCH ESO ISS AMBI TEMP 12.43
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57