Exposure
ID
PIONI.2025-09-26T00:13:43.138_1
Header ID
PIONI.2025-09-26T00:13:43.138
Date updated
2025-09-26 00:20:44 UTC+0000
Release date
2025-09-26 00:13:43 UTC+0000
UTC Start
2025-09-26 00:13:43.138
UTC End
2025-09-26 00:14:08.738
MJD Start
60944.009527063
MJD End
60944.009823359294
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004751
Ambient temperature (°C)
14.6
Seeing (arcsec)
0.93
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 88.8860 88.8570 128.5000 128.6000
A0-J2 123.5160 123.4360 105.5000 105.6000
A0-K0 119.8630 119.7660 82.7330 82.8120
G1-J2 54.3240 54.2830 65.7000 65.7000
G1-K0 86.1080 86.0730 34.9920 35.0440
J2-K0 48.1670 48.1670 359.8530 359.9210
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 60944.009527063
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 88.886
HIERARCH ESO ISS PBL12 END 88.857
HIERARCH ESO ISS PBLA12 START 128.5
HIERARCH ESO ISS PBLA12 END 128.6
HIERARCH ESO ISS PBL13 START 123.516
HIERARCH ESO ISS PBL13 END 123.436
HIERARCH ESO ISS PBLA13 START 105.5
HIERARCH ESO ISS PBLA13 END 105.6
HIERARCH ESO ISS PBL14 START 119.863
HIERARCH ESO ISS PBL14 END 119.766
HIERARCH ESO ISS PBLA14 START 82.733
HIERARCH ESO ISS PBLA14 END 82.812
HIERARCH ESO ISS PBL23 START 54.324
HIERARCH ESO ISS PBL23 END 54.283
HIERARCH ESO ISS PBLA23 START 65.7
HIERARCH ESO ISS PBLA23 END 65.7
HIERARCH ESO ISS PBL24 START 86.108
HIERARCH ESO ISS PBL24 END 86.073
HIERARCH ESO ISS PBLA24 START 34.992
HIERARCH ESO ISS PBLA24 END 35.044
HIERARCH ESO ISS PBL34 START 48.167
HIERARCH ESO ISS PBL34 END 48.167
HIERARCH ESO ISS PBLA34 START 359.853
HIERARCH ESO ISS PBLA34 END 359.921
HIERARCH ESO ISS AMBI TAU0 START 0.004751
HIERARCH ESO ISS AMBI TAU0 END 0.004751
HIERARCH ESO ISS AMBI TEMP 14.6
HIERARCH ESO ISS AMBI FWHM START 0.93
HIERARCH ESO ISS AMBI FWHM END 0.93