Exposure
ID
PIONI.2025-07-22T03:47:53.343_1
Header ID
PIONI.2025-07-22T03:47:53.343
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 03:47:53.342
UTC End
2025-07-22 03:48:18.942
MJD Start
60878.1582562784
MJD End
60878.1585525747
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008057
Ambient temperature (°C)
14.07
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 88.3120 88.2710 122.2000 122.3000
A0-J2 125.7660 125.6940 98.4000 98.5000
A0-K0 125.2150 125.1530 76.1110 76.1600
G1-J2 57.3760 57.3550 60.0000 60.1000
G1-K0 90.2400 90.2310 31.2660 31.3140
J2-K0 48.5390 48.5380 356.6220 356.6890
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 60878.1582562784
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 88.312
HIERARCH ESO ISS PBL12 END 88.271
HIERARCH ESO ISS PBLA12 START 122.2
HIERARCH ESO ISS PBLA12 END 122.3
HIERARCH ESO ISS PBL13 START 125.766
HIERARCH ESO ISS PBL13 END 125.694
HIERARCH ESO ISS PBLA13 START 98.4
HIERARCH ESO ISS PBLA13 END 98.5
HIERARCH ESO ISS PBL14 START 125.215
HIERARCH ESO ISS PBL14 END 125.153
HIERARCH ESO ISS PBLA14 START 76.111
HIERARCH ESO ISS PBLA14 END 76.16
HIERARCH ESO ISS PBL23 START 57.376
HIERARCH ESO ISS PBL23 END 57.355
HIERARCH ESO ISS PBLA23 START 60.0
HIERARCH ESO ISS PBLA23 END 60.1
HIERARCH ESO ISS PBL24 START 90.24
HIERARCH ESO ISS PBL24 END 90.231
HIERARCH ESO ISS PBLA24 START 31.266
HIERARCH ESO ISS PBLA24 END 31.314
HIERARCH ESO ISS PBL34 START 48.539
HIERARCH ESO ISS PBL34 END 48.538
HIERARCH ESO ISS PBLA34 START 356.622
HIERARCH ESO ISS PBLA34 END 356.689
HIERARCH ESO ISS AMBI TAU0 START 0.008057
HIERARCH ESO ISS AMBI TAU0 END 0.008057
HIERARCH ESO ISS AMBI TEMP 14.07
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.95