Exposure
ID
PIONI.2025-09-26T00:01:47.156_1
Header ID
PIONI.2025-09-26T00:01:47.156
Date updated
2025-09-26 00:10:44 UTC+0000
Release date
2025-09-26 00:01:47 UTC+0000
UTC Start
2025-09-26 00:01:47.156
UTC End
2025-09-26 00:02:12.756
MJD Start
60944.001240233
MJD End
60944.0015365293
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004977
Ambient temperature (°C)
15.16
Seeing (arcsec)
0.87
Observation
ID
70512
Category
calibrator
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
52266
Name
eps Sgr
RA
276.041372
DEC
-34.38533
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 89.4170 89.3920 126.6000 126.7000
A0-J2 124.9940 124.9240 103.6000 103.7000
A0-K0 121.6670 121.5820 81.1650 81.2440
G1-J2 55.1010 55.0640 64.4000 64.4000
G1-K0 86.7600 86.7290 33.9330 33.9870
J2-K0 48.1630 48.1630 358.5150 358.5830
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60944.001240233
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041372
DEC -34.38533
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 89.417
HIERARCH ESO ISS PBL12 END 89.392
HIERARCH ESO ISS PBLA12 START 126.6
HIERARCH ESO ISS PBLA12 END 126.7
HIERARCH ESO ISS PBL13 START 124.994
HIERARCH ESO ISS PBL13 END 124.924
HIERARCH ESO ISS PBLA13 START 103.6
HIERARCH ESO ISS PBLA13 END 103.7
HIERARCH ESO ISS PBL14 START 121.667
HIERARCH ESO ISS PBL14 END 121.582
HIERARCH ESO ISS PBLA14 START 81.165
HIERARCH ESO ISS PBLA14 END 81.244
HIERARCH ESO ISS PBL23 START 55.101
HIERARCH ESO ISS PBL23 END 55.064
HIERARCH ESO ISS PBLA23 START 64.4
HIERARCH ESO ISS PBLA23 END 64.4
HIERARCH ESO ISS PBL24 START 86.76
HIERARCH ESO ISS PBL24 END 86.729
HIERARCH ESO ISS PBLA24 START 33.933
HIERARCH ESO ISS PBLA24 END 33.987
HIERARCH ESO ISS PBL34 START 48.163
HIERARCH ESO ISS PBL34 END 48.163
HIERARCH ESO ISS PBLA34 START 358.515
HIERARCH ESO ISS PBLA34 END 358.583
HIERARCH ESO ISS AMBI TAU0 START 0.004977
HIERARCH ESO ISS AMBI TAU0 END 0.004977
HIERARCH ESO ISS AMBI TEMP 15.16
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.87