Exposure
ID
PIONI.2025-09-26T00:01:09.295_1
Header ID
PIONI.2025-09-26T00:01:09.295
Date updated
2025-09-26 00:10:44 UTC+0000
Release date
2025-09-26 00:01:09 UTC+0000
UTC Start
2025-09-26 00:01:09.295
UTC End
2025-09-26 00:01:34.895
MJD Start
60944.0008020238
MJD End
60944.0010983201
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005119
Ambient temperature (°C)
15.21
Seeing (arcsec)
0.895
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 89.4420 89.4180 126.5000 126.6000
A0-J2 125.0660 124.9970 103.5000 103.6000
A0-K0 121.7560 121.6720 81.0820 81.1610
G1-J2 55.1400 55.1030 64.3000 64.4000
G1-K0 86.7930 86.7620 33.8750 33.9290
J2-K0 48.1620 48.1630 358.4440 358.5120
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 60944.0008020238
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 89.442
HIERARCH ESO ISS PBL12 END 89.418
HIERARCH ESO ISS PBLA12 START 126.5
HIERARCH ESO ISS PBLA12 END 126.6
HIERARCH ESO ISS PBL13 START 125.066
HIERARCH ESO ISS PBL13 END 124.997
HIERARCH ESO ISS PBLA13 START 103.5
HIERARCH ESO ISS PBLA13 END 103.6
HIERARCH ESO ISS PBL14 START 121.756
HIERARCH ESO ISS PBL14 END 121.672
HIERARCH ESO ISS PBLA14 START 81.082
HIERARCH ESO ISS PBLA14 END 81.161
HIERARCH ESO ISS PBL23 START 55.14
HIERARCH ESO ISS PBL23 END 55.103
HIERARCH ESO ISS PBLA23 START 64.3
HIERARCH ESO ISS PBLA23 END 64.4
HIERARCH ESO ISS PBL24 START 86.793
HIERARCH ESO ISS PBL24 END 86.762
HIERARCH ESO ISS PBLA24 START 33.875
HIERARCH ESO ISS PBLA24 END 33.929
HIERARCH ESO ISS PBL34 START 48.162
HIERARCH ESO ISS PBL34 END 48.163
HIERARCH ESO ISS PBLA34 START 358.444
HIERARCH ESO ISS PBLA34 END 358.512
HIERARCH ESO ISS AMBI TAU0 START 0.005261
HIERARCH ESO ISS AMBI TAU0 END 0.004977
HIERARCH ESO ISS AMBI TEMP 15.21
HIERARCH ESO ISS AMBI FWHM START 0.92
HIERARCH ESO ISS AMBI FWHM END 0.87