Exposure
ID
PIONI.2025-06-17T08:29:18.165_1
Header ID
PIONI.2025-06-17T08:29:18.165
Date updated
2025-06-17 08:36:34 UTC+0000
Release date
2025-06-17 08:29:18 UTC+0000
UTC Start
2025-06-17 08:29:18.164
UTC End
2025-06-17 08:29:43.764
MJD Start
60843.3536824551
MJD End
60843.353978751395
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003334
Ambient temperature (°C)
6.36
Seeing (arcsec)
0.7549999999999999
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 82.3300 82.2860 147.5000 147.6000
A0-J2 105.0560 104.9210 123.8000 124.0000
A0-K0 96.8330 96.6530 96.7580 96.8560
G1-J2 44.4030 44.3240 75.7000 75.8000
G1-K0 77.8690 77.8020 41.8180 41.8480
J2-K0 47.9160 47.9130 10.6880 10.7510
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 60843.3536824551
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 82.33
HIERARCH ESO ISS PBL12 END 82.286
HIERARCH ESO ISS PBLA12 START 147.5
HIERARCH ESO ISS PBLA12 END 147.6
HIERARCH ESO ISS PBL13 START 105.056
HIERARCH ESO ISS PBL13 END 104.921
HIERARCH ESO ISS PBLA13 START 123.8
HIERARCH ESO ISS PBLA13 END 124.0
HIERARCH ESO ISS PBL14 START 96.833
HIERARCH ESO ISS PBL14 END 96.653
HIERARCH ESO ISS PBLA14 START 96.758
HIERARCH ESO ISS PBLA14 END 96.856
HIERARCH ESO ISS PBL23 START 44.403
HIERARCH ESO ISS PBL23 END 44.324
HIERARCH ESO ISS PBLA23 START 75.7
HIERARCH ESO ISS PBLA23 END 75.8
HIERARCH ESO ISS PBL24 START 77.869
HIERARCH ESO ISS PBL24 END 77.802
HIERARCH ESO ISS PBLA24 START 41.818
HIERARCH ESO ISS PBLA24 END 41.848
HIERARCH ESO ISS PBL34 START 47.916
HIERARCH ESO ISS PBL34 END 47.913
HIERARCH ESO ISS PBLA34 START 10.688
HIERARCH ESO ISS PBLA34 END 10.751
HIERARCH ESO ISS AMBI TAU0 START 0.003334
HIERARCH ESO ISS AMBI TAU0 END 0.003334
HIERARCH ESO ISS AMBI TEMP 6.36
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.82