Exposure
ID
PIONI.2025-07-16T01:35:02.439_1
Header ID
PIONI.2025-07-16T01:35:02.439
Date updated
2025-07-16 01:46:01 UTC+0000
Release date
2026-07-16 01:46:01 UTC+0000
UTC Start
2025-07-16 01:35:02.439
UTC End
2025-07-16 01:35:28.039
MJD Start
60872.0660004504
MJD End
60872.0662967467
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002528
Ambient temperature (°C)
12.62
Seeing (arcsec)
1.0
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 84.8700 84.9420 107.9000 108.0000
A0-J2 119.0640 119.1850 83.1000 83.2000
A0-K0 118.8750 118.9740 59.5520 59.6370
G1-J2 55.1070 55.1380 42.8000 42.9000
G1-K0 89.0640 89.0730 14.1250 14.2060
J2-K0 48.5660 48.5680 341.1130 341.1620
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 60872.0660004504
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 84.87
HIERARCH ESO ISS PBL12 END 84.942
HIERARCH ESO ISS PBLA12 START 107.9
HIERARCH ESO ISS PBLA12 END 108.0
HIERARCH ESO ISS PBL13 START 119.064
HIERARCH ESO ISS PBL13 END 119.185
HIERARCH ESO ISS PBLA13 START 83.1
HIERARCH ESO ISS PBLA13 END 83.2
HIERARCH ESO ISS PBL14 START 118.875
HIERARCH ESO ISS PBL14 END 118.974
HIERARCH ESO ISS PBLA14 START 59.552
HIERARCH ESO ISS PBLA14 END 59.637
HIERARCH ESO ISS PBL23 START 55.107
HIERARCH ESO ISS PBL23 END 55.138
HIERARCH ESO ISS PBLA23 START 42.8
HIERARCH ESO ISS PBLA23 END 42.9
HIERARCH ESO ISS PBL24 START 89.064
HIERARCH ESO ISS PBL24 END 89.073
HIERARCH ESO ISS PBLA24 START 14.125
HIERARCH ESO ISS PBLA24 END 14.206
HIERARCH ESO ISS PBL34 START 48.566
HIERARCH ESO ISS PBL34 END 48.568
HIERARCH ESO ISS PBLA34 START 341.113
HIERARCH ESO ISS PBLA34 END 341.162
HIERARCH ESO ISS AMBI TAU0 START 0.002528
HIERARCH ESO ISS AMBI TAU0 END 0.002528
HIERARCH ESO ISS AMBI TEMP 12.62
HIERARCH ESO ISS AMBI FWHM START 1.0
HIERARCH ESO ISS AMBI FWHM END 1.0