Exposure
ID
PIONI.2025-06-17T07:55:30.667_1
Header ID
PIONI.2025-06-17T07:55:30.667
Date updated
2025-06-17 08:05:50 UTC+0000
Release date
2025-06-17 07:55:30 UTC+0000
UTC Start
2025-06-17 07:55:30.667
UTC End
2025-06-17 07:55:56.267
MJD Start
60843.3302160534
MJD End
60843.3305123497
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003132
Ambient temperature (°C)
6.67
Seeing (arcsec)
0.805
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 84.8170 84.7740 140.4000 140.5000
A0-J2 112.3890 112.2660 116.8000 116.9000
A0-K0 106.2730 106.1180 91.5810 91.6690
G1-J2 48.5070 48.4400 72.4000 72.4000
G1-K0 81.2980 81.2420 39.8830 39.9220
J2-K0 48.0660 48.0640 7.0470 7.1130
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 60843.3302160534
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 84.817
HIERARCH ESO ISS PBL12 END 84.774
HIERARCH ESO ISS PBLA12 START 140.4
HIERARCH ESO ISS PBLA12 END 140.5
HIERARCH ESO ISS PBL13 START 112.389
HIERARCH ESO ISS PBL13 END 112.266
HIERARCH ESO ISS PBLA13 START 116.8
HIERARCH ESO ISS PBLA13 END 116.9
HIERARCH ESO ISS PBL14 START 106.273
HIERARCH ESO ISS PBL14 END 106.118
HIERARCH ESO ISS PBLA14 START 91.581
HIERARCH ESO ISS PBLA14 END 91.669
HIERARCH ESO ISS PBL23 START 48.507
HIERARCH ESO ISS PBL23 END 48.44
HIERARCH ESO ISS PBLA23 START 72.4
HIERARCH ESO ISS PBLA23 END 72.4
HIERARCH ESO ISS PBL24 START 81.298
HIERARCH ESO ISS PBL24 END 81.242
HIERARCH ESO ISS PBLA24 START 39.883
HIERARCH ESO ISS PBLA24 END 39.922
HIERARCH ESO ISS PBL34 START 48.066
HIERARCH ESO ISS PBL34 END 48.064
HIERARCH ESO ISS PBLA34 START 7.047
HIERARCH ESO ISS PBLA34 END 7.113
HIERARCH ESO ISS AMBI TAU0 START 0.003132
HIERARCH ESO ISS AMBI TAU0 END 0.003132
HIERARCH ESO ISS AMBI TEMP 6.67
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.81