Exposure
ID
PIONI.2025-06-17T08:11:04.186_1
Header ID
PIONI.2025-06-17T08:11:04.186
Date updated
2025-06-17 08:20:43 UTC+0000
Release date
2026-06-17 08:20:40 UTC+0000
UTC Start
2025-06-17 08:11:04.186
UTC End
2025-06-17 08:11:29.786
MJD Start
60843.3410206707
MJD End
60843.341316966995
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004441
Ambient temperature (°C)
6.58
Seeing (arcsec)
0.6499999999999999
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 74.7680 74.6940 143.1000 143.3000
A0-J2 97.1970 97.0090 115.0000 115.1000
A0-K0 97.0580 96.8560 85.9920 86.0410
G1-J2 47.1490 47.0730 66.5000 66.6000
G1-K0 84.4780 84.4290 37.9630 37.9770
J2-K0 48.6180 48.6190 10.3250 10.3870
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 60843.3410206707
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 74.768
HIERARCH ESO ISS PBL12 END 74.694
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.3
HIERARCH ESO ISS PBL13 START 97.197
HIERARCH ESO ISS PBL13 END 97.009
HIERARCH ESO ISS PBLA13 START 115.0
HIERARCH ESO ISS PBLA13 END 115.1
HIERARCH ESO ISS PBL14 START 97.058
HIERARCH ESO ISS PBL14 END 96.856
HIERARCH ESO ISS PBLA14 START 85.992
HIERARCH ESO ISS PBLA14 END 86.041
HIERARCH ESO ISS PBL23 START 47.149
HIERARCH ESO ISS PBL23 END 47.073
HIERARCH ESO ISS PBLA23 START 66.5
HIERARCH ESO ISS PBLA23 END 66.6
HIERARCH ESO ISS PBL24 START 84.478
HIERARCH ESO ISS PBL24 END 84.429
HIERARCH ESO ISS PBLA24 START 37.963
HIERARCH ESO ISS PBLA24 END 37.977
HIERARCH ESO ISS PBL34 START 48.618
HIERARCH ESO ISS PBL34 END 48.619
HIERARCH ESO ISS PBLA34 START 10.325
HIERARCH ESO ISS PBLA34 END 10.387
HIERARCH ESO ISS AMBI TAU0 START 0.004441
HIERARCH ESO ISS AMBI TAU0 END 0.004441
HIERARCH ESO ISS AMBI TEMP 6.58
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.59