Exposure
ID
PIONI.2025-09-26T00:02:24.875_1
Header ID
PIONI.2025-09-26T00:02:24.875
Date updated
2025-09-26 00:10:44 UTC+0000
Release date
2025-09-26 00:02:24 UTC+0000
UTC Start
2025-09-26 00:02:24.875
UTC End
2025-09-26 00:02:50.475
MJD Start
60944.001676789
MJD End
60944.001973085295
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 89.3910 89.3660 126.7000 126.8000
A0-J2 124.9200 124.8500 103.7000 103.8000
A0-K0 121.5770 121.4910 81.2480 81.3270
G1-J2 55.0620 55.0250 64.4000 64.5000
G1-K0 86.7270 86.6960 33.9900 34.0440
J2-K0 48.1630 48.1640 358.5860 358.6540
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 60944.001676789
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 89.391
HIERARCH ESO ISS PBL12 END 89.366
HIERARCH ESO ISS PBLA12 START 126.7
HIERARCH ESO ISS PBLA12 END 126.8
HIERARCH ESO ISS PBL13 START 124.92
HIERARCH ESO ISS PBL13 END 124.85
HIERARCH ESO ISS PBLA13 START 103.7
HIERARCH ESO ISS PBLA13 END 103.8
HIERARCH ESO ISS PBL14 START 121.577
HIERARCH ESO ISS PBL14 END 121.491
HIERARCH ESO ISS PBLA14 START 81.248
HIERARCH ESO ISS PBLA14 END 81.327
HIERARCH ESO ISS PBL23 START 55.062
HIERARCH ESO ISS PBL23 END 55.025
HIERARCH ESO ISS PBLA23 START 64.4
HIERARCH ESO ISS PBLA23 END 64.5
HIERARCH ESO ISS PBL24 START 86.727
HIERARCH ESO ISS PBL24 END 86.696
HIERARCH ESO ISS PBLA24 START 33.99
HIERARCH ESO ISS PBLA24 END 34.044
HIERARCH ESO ISS PBL34 START 48.163
HIERARCH ESO ISS PBL34 END 48.164
HIERARCH ESO ISS PBLA34 START 358.586
HIERARCH ESO ISS PBLA34 END 358.654
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