Exposure
ID
PIONI.2025-06-16T04:27:22.634_1
Header ID
PIONI.2025-06-16T04:27:22.634
Date updated
2025-06-16 04:41:55 UTC+0000
Release date
2025-06-16 04:27:22 UTC+0000
UTC Start
2025-06-16 04:27:22.633
UTC End
2025-06-16 04:27:48.233
MJD Start
60842.1856786278
MJD End
60842.1859749241
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0035814999999999996
Ambient temperature (°C)
6.6
Seeing (arcsec)
1.04
Observation
ID
68116
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
50632
Name
eps Sgr
RA
276.041375
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 87.0040 87.0550 107.8000 107.9000
A0-J2 125.8680 125.9310 84.1000 84.1000
A0-K0 126.5860 126.6220 62.3570 62.4510
G1-J2 58.0650 58.0720 46.9000 47.0000
G1-K0 90.2780 90.2740 18.9520 19.0290
J2-K0 47.5110 47.5170 344.0570 344.1150
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 60842.1856786278
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041375
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 87.004
HIERARCH ESO ISS PBL12 END 87.055
HIERARCH ESO ISS PBLA12 START 107.8
HIERARCH ESO ISS PBLA12 END 107.9
HIERARCH ESO ISS PBL13 START 125.868
HIERARCH ESO ISS PBL13 END 125.931
HIERARCH ESO ISS PBLA13 START 84.1
HIERARCH ESO ISS PBLA13 END 84.1
HIERARCH ESO ISS PBL14 START 126.586
HIERARCH ESO ISS PBL14 END 126.622
HIERARCH ESO ISS PBLA14 START 62.357
HIERARCH ESO ISS PBLA14 END 62.451
HIERARCH ESO ISS PBL23 START 58.065
HIERARCH ESO ISS PBL23 END 58.072
HIERARCH ESO ISS PBLA23 START 46.9
HIERARCH ESO ISS PBLA23 END 47.0
HIERARCH ESO ISS PBL24 START 90.278
HIERARCH ESO ISS PBL24 END 90.274
HIERARCH ESO ISS PBLA24 START 18.952
HIERARCH ESO ISS PBLA24 END 19.029
HIERARCH ESO ISS PBL34 START 47.511
HIERARCH ESO ISS PBL34 END 47.517
HIERARCH ESO ISS PBLA34 START 344.057
HIERARCH ESO ISS PBLA34 END 344.115
HIERARCH ESO ISS AMBI TAU0 START 0.004089
HIERARCH ESO ISS AMBI TAU0 END 0.003074
HIERARCH ESO ISS AMBI TEMP 6.6
HIERARCH ESO ISS AMBI FWHM START 1.04
HIERARCH ESO ISS AMBI FWHM END 1.04