Exposure
ID
PIONI.2025-06-17T08:29:55.876_1
Header ID
PIONI.2025-06-17T08:29:55.876
Date updated
2025-06-17 08:36:34 UTC+0000
Release date
2025-06-17 08:29:55 UTC+0000
UTC Start
2025-06-17 08:29:55.876
UTC End
2025-06-17 08:30:21.476
MJD Start
60843.3541189353
MJD End
60843.354415231595
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003334
Ambient temperature (°C)
6.38
Seeing (arcsec)
0.82
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 82.2830 82.2400 147.6000 147.8000
A0-J2 104.9130 104.7780 124.0000 124.1000
A0-K0 96.6430 96.4620 96.8610 96.9590
G1-J2 44.3190 44.2400 75.8000 75.8000
G1-K0 77.7980 77.7310 41.8500 41.8800
J2-K0 47.9130 47.9090 10.7550 10.8180
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 60843.3541189353
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 82.283
HIERARCH ESO ISS PBL12 END 82.24
HIERARCH ESO ISS PBLA12 START 147.6
HIERARCH ESO ISS PBLA12 END 147.8
HIERARCH ESO ISS PBL13 START 104.913
HIERARCH ESO ISS PBL13 END 104.778
HIERARCH ESO ISS PBLA13 START 124.0
HIERARCH ESO ISS PBLA13 END 124.1
HIERARCH ESO ISS PBL14 START 96.643
HIERARCH ESO ISS PBL14 END 96.462
HIERARCH ESO ISS PBLA14 START 96.861
HIERARCH ESO ISS PBLA14 END 96.959
HIERARCH ESO ISS PBL23 START 44.319
HIERARCH ESO ISS PBL23 END 44.24
HIERARCH ESO ISS PBLA23 START 75.8
HIERARCH ESO ISS PBLA23 END 75.8
HIERARCH ESO ISS PBL24 START 77.798
HIERARCH ESO ISS PBL24 END 77.731
HIERARCH ESO ISS PBLA24 START 41.85
HIERARCH ESO ISS PBLA24 END 41.88
HIERARCH ESO ISS PBL34 START 47.913
HIERARCH ESO ISS PBL34 END 47.909
HIERARCH ESO ISS PBLA34 START 10.755
HIERARCH ESO ISS PBLA34 END 10.818
HIERARCH ESO ISS AMBI TAU0 START 0.003334
HIERARCH ESO ISS AMBI TAU0 END 0.003334
HIERARCH ESO ISS AMBI TEMP 6.38
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.82