Exposure
ID
PIONI.2025-07-16T01:41:05.131_1
Header ID
PIONI.2025-07-16T01:41:05.131
Date updated
2025-07-16 01:50:56 UTC+0000
Release date
2025-07-16 01:41:05 UTC+0000
UTC Start
2025-07-16 01:41:05.131
UTC End
2025-07-16 01:41:30.731
MJD Start
60872.070198271
MJD End
60872.0704945673
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00224
Ambient temperature (°C)
12.7
Seeing (arcsec)
0.96
Observation
ID
68808
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
51193
Name
eps Sgr
RA
276.041374
DEC
-34.38532
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 81.5840 81.6670 102.0000 102.0000
A0-J2 118.9950 119.1010 76.6000 76.7000
A0-K0 122.4010 122.4670 54.3120 54.4190
G1-J2 57.1360 57.1510 39.0000 39.1000
G1-K0 90.4660 90.4650 12.5160 12.5990
J2-K0 46.8690 46.8790 339.5710 339.6230
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 60872.070198271
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041374
DEC -34.38532
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 81.584
HIERARCH ESO ISS PBL12 END 81.667
HIERARCH ESO ISS PBLA12 START 102.0
HIERARCH ESO ISS PBLA12 END 102.0
HIERARCH ESO ISS PBL13 START 118.995
HIERARCH ESO ISS PBL13 END 119.101
HIERARCH ESO ISS PBLA13 START 76.6
HIERARCH ESO ISS PBLA13 END 76.7
HIERARCH ESO ISS PBL14 START 122.401
HIERARCH ESO ISS PBL14 END 122.467
HIERARCH ESO ISS PBLA14 START 54.312
HIERARCH ESO ISS PBLA14 END 54.419
HIERARCH ESO ISS PBL23 START 57.136
HIERARCH ESO ISS PBL23 END 57.151
HIERARCH ESO ISS PBLA23 START 39.0
HIERARCH ESO ISS PBLA23 END 39.1
HIERARCH ESO ISS PBL24 START 90.466
HIERARCH ESO ISS PBL24 END 90.465
HIERARCH ESO ISS PBLA24 START 12.516
HIERARCH ESO ISS PBLA24 END 12.599
HIERARCH ESO ISS PBL34 START 46.869
HIERARCH ESO ISS PBL34 END 46.879
HIERARCH ESO ISS PBLA34 START 339.571
HIERARCH ESO ISS PBLA34 END 339.623
HIERARCH ESO ISS AMBI TAU0 START 0.002201
HIERARCH ESO ISS AMBI TAU0 END 0.002279
HIERARCH ESO ISS AMBI TEMP 12.7
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 0.95