Exposure
ID
PIONI.2025-09-26T00:15:36.212_1
Header ID
PIONI.2025-09-26T00:15:36.212
Date updated
2025-09-26 00:20:44 UTC+0000
Release date
2025-09-26 00:15:36 UTC+0000
UTC Start
2025-09-26 00:15:36.213
UTC End
2025-09-26 00:16:01.813
MJD Start
60944.0108357929
MJD End
60944.011132089196
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004994
Ambient temperature (°C)
14.54
Seeing (arcsec)
0.88
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 88.7940 88.7650 128.9000 129.0000
A0-J2 123.2640 123.1830 105.8000 105.9000
A0-K0 119.5580 119.4590 82.9870 83.0660
G1-J2 54.1930 54.1510 65.9000 66.0000
G1-K0 85.9990 85.9630 35.1600 35.2120
J2-K0 48.1670 48.1670 0.0700 0.1370
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 60944.0108357929
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 88.794
HIERARCH ESO ISS PBL12 END 88.765
HIERARCH ESO ISS PBLA12 START 128.9
HIERARCH ESO ISS PBLA12 END 129.0
HIERARCH ESO ISS PBL13 START 123.264
HIERARCH ESO ISS PBL13 END 123.183
HIERARCH ESO ISS PBLA13 START 105.8
HIERARCH ESO ISS PBLA13 END 105.9
HIERARCH ESO ISS PBL14 START 119.558
HIERARCH ESO ISS PBL14 END 119.459
HIERARCH ESO ISS PBLA14 START 82.987
HIERARCH ESO ISS PBLA14 END 83.066
HIERARCH ESO ISS PBL23 START 54.193
HIERARCH ESO ISS PBL23 END 54.151
HIERARCH ESO ISS PBLA23 START 65.9
HIERARCH ESO ISS PBLA23 END 66.0
HIERARCH ESO ISS PBL24 START 85.999
HIERARCH ESO ISS PBL24 END 85.963
HIERARCH ESO ISS PBLA24 START 35.16
HIERARCH ESO ISS PBLA24 END 35.212
HIERARCH ESO ISS PBL34 START 48.167
HIERARCH ESO ISS PBL34 END 48.167
HIERARCH ESO ISS PBLA34 START 0.07
HIERARCH ESO ISS PBLA34 END 0.137
HIERARCH ESO ISS AMBI TAU0 START 0.004994
HIERARCH ESO ISS AMBI TAU0 END 0.004994
HIERARCH ESO ISS AMBI TEMP 14.54
HIERARCH ESO ISS AMBI FWHM START 0.88
HIERARCH ESO ISS AMBI FWHM END 0.88