Exposure
ID
PIONI.2025-07-22T03:47:15.558_1
Header ID
PIONI.2025-07-22T03:47:15.558
Date updated
2025-07-22 05:40:54 UTC+0000
Release date
2026-07-22 05:40:53 UTC+0000
UTC Start
2025-07-22 03:47:15.558
UTC End
2025-07-22 03:47:41.158
MJD Start
60878.1578189568
MJD End
60878.1581152531
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006413
Ambient temperature (°C)
14.08
Seeing (arcsec)
0.95
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 88.3540 88.3140 122.1000 122.2000
A0-J2 125.8410 125.7700 98.3000 98.4000
A0-K0 125.2810 125.2190 76.0580 76.1080
G1-J2 57.3980 57.3780 60.0000 60.0000
G1-K0 90.2480 90.2400 31.2150 31.2630
J2-K0 48.5390 48.5390 356.5520 356.6190
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 60878.1578189568
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 88.354
HIERARCH ESO ISS PBL12 END 88.314
HIERARCH ESO ISS PBLA12 START 122.1
HIERARCH ESO ISS PBLA12 END 122.2
HIERARCH ESO ISS PBL13 START 125.841
HIERARCH ESO ISS PBL13 END 125.77
HIERARCH ESO ISS PBLA13 START 98.3
HIERARCH ESO ISS PBLA13 END 98.4
HIERARCH ESO ISS PBL14 START 125.281
HIERARCH ESO ISS PBL14 END 125.219
HIERARCH ESO ISS PBLA14 START 76.058
HIERARCH ESO ISS PBLA14 END 76.108
HIERARCH ESO ISS PBL23 START 57.398
HIERARCH ESO ISS PBL23 END 57.378
HIERARCH ESO ISS PBLA23 START 60.0
HIERARCH ESO ISS PBLA23 END 60.0
HIERARCH ESO ISS PBL24 START 90.248
HIERARCH ESO ISS PBL24 END 90.24
HIERARCH ESO ISS PBLA24 START 31.215
HIERARCH ESO ISS PBLA24 END 31.263
HIERARCH ESO ISS PBL34 START 48.539
HIERARCH ESO ISS PBL34 END 48.539
HIERARCH ESO ISS PBLA34 START 356.552
HIERARCH ESO ISS PBLA34 END 356.619
HIERARCH ESO ISS AMBI TAU0 START 0.004769
HIERARCH ESO ISS AMBI TAU0 END 0.008057
HIERARCH ESO ISS AMBI TEMP 14.08
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.95