Exposure
ID
PIONI.2025-06-22T07:18:06.692_1
Header ID
PIONI.2025-06-22T07:18:06.692
Date updated
2025-06-22 07:25:52 UTC+0000
Release date
2026-06-22 07:25:52 UTC+0000
UTC Start
2025-06-22 07:18:06.692
UTC End
2025-06-22 07:18:32.292
MJD Start
60848.3042441192
MJD End
60848.3045404155
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002356
Ambient temperature (°C)
11.36
Seeing (arcsec)
0.46
Observation
ID
68194
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
50684
Name
V VX Sgr
RA
272.016859
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 56.5580 56.4690 288.1000 288.1000
K0-D0 80.5140 80.3870 263.4000 263.4000
K0-J3 55.1410 55.1360 351.9730 352.0620
G2-D0 37.5060 37.4820 224.3000 224.3000
G2-J3 59.1370 59.0880 51.1830 51.2020
D0-J3 96.4780 96.4050 48.5200 48.5380
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 60848.3042441192
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 56.558
HIERARCH ESO ISS PBL12 END 56.469
HIERARCH ESO ISS PBLA12 START 288.1
HIERARCH ESO ISS PBLA12 END 288.1
HIERARCH ESO ISS PBL13 START 80.514
HIERARCH ESO ISS PBL13 END 80.387
HIERARCH ESO ISS PBLA13 START 263.4
HIERARCH ESO ISS PBLA13 END 263.4
HIERARCH ESO ISS PBL14 START 55.141
HIERARCH ESO ISS PBL14 END 55.136
HIERARCH ESO ISS PBLA14 START 351.973
HIERARCH ESO ISS PBLA14 END 352.062
HIERARCH ESO ISS PBL23 START 37.506
HIERARCH ESO ISS PBL23 END 37.482
HIERARCH ESO ISS PBLA23 START 224.3
HIERARCH ESO ISS PBLA23 END 224.3
HIERARCH ESO ISS PBL24 START 59.137
HIERARCH ESO ISS PBL24 END 59.088
HIERARCH ESO ISS PBLA24 START 51.183
HIERARCH ESO ISS PBLA24 END 51.202
HIERARCH ESO ISS PBL34 START 96.478
HIERARCH ESO ISS PBL34 END 96.405
HIERARCH ESO ISS PBLA34 START 48.52
HIERARCH ESO ISS PBLA34 END 48.538
HIERARCH ESO ISS AMBI TAU0 START 0.001988
HIERARCH ESO ISS AMBI TAU0 END 0.002724
HIERARCH ESO ISS AMBI TEMP 11.36
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.46