Exposure
ID
PIONI.2025-07-22T04:01:09.811_1
Header ID
PIONI.2025-07-22T04:01:09.811
Date updated
2025-07-22 05:30:45 UTC+0000
Release date
2026-07-22 05:30:44 UTC+0000
UTC Start
2025-07-22 04:01:09.810
UTC End
2025-07-22 04:01:35.410
MJD Start
60878.1674746573
MJD End
60878.167770953594
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006695
Ambient temperature (°C)
14.09
Seeing (arcsec)
0.87
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 87.3300 87.2820 123.9000 124.0000
A0-J2 124.0120 123.9250 99.8000 99.9000
A0-K0 123.6620 123.5840 77.1990 77.2480
G1-J2 56.8500 56.8230 61.0000 61.0000
G1-K0 90.0150 90.0030 32.2940 32.3390
J2-K0 48.5300 48.5300 358.0920 358.1590
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 60878.1674746573
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 87.33
HIERARCH ESO ISS PBL12 END 87.282
HIERARCH ESO ISS PBLA12 START 123.9
HIERARCH ESO ISS PBLA12 END 124.0
HIERARCH ESO ISS PBL13 START 124.012
HIERARCH ESO ISS PBL13 END 123.925
HIERARCH ESO ISS PBLA13 START 99.8
HIERARCH ESO ISS PBLA13 END 99.9
HIERARCH ESO ISS PBL14 START 123.662
HIERARCH ESO ISS PBL14 END 123.584
HIERARCH ESO ISS PBLA14 START 77.199
HIERARCH ESO ISS PBLA14 END 77.248
HIERARCH ESO ISS PBL23 START 56.85
HIERARCH ESO ISS PBL23 END 56.823
HIERARCH ESO ISS PBLA23 START 61.0
HIERARCH ESO ISS PBLA23 END 61.0
HIERARCH ESO ISS PBL24 START 90.015
HIERARCH ESO ISS PBL24 END 90.003
HIERARCH ESO ISS PBLA24 START 32.294
HIERARCH ESO ISS PBLA24 END 32.339
HIERARCH ESO ISS PBL34 START 48.53
HIERARCH ESO ISS PBL34 END 48.53
HIERARCH ESO ISS PBLA34 START 358.092
HIERARCH ESO ISS PBLA34 END 358.159
HIERARCH ESO ISS AMBI TAU0 START 0.006695
HIERARCH ESO ISS AMBI TAU0 END 0.006695
HIERARCH ESO ISS AMBI TEMP 14.09
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.87