Exposure
ID
PIONI.2025-06-17T08:30:33.803_1
Header ID
PIONI.2025-06-17T08:30:33.803
Date updated
2025-06-17 08:36:34 UTC+0000
Release date
2025-06-17 08:30:33 UTC+0000
UTC Start
2025-06-17 08:30:33.804
UTC End
2025-06-17 08:30:59.404
MJD Start
60843.3545579147
MJD End
60843.354854211
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0030995
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 82.2370 82.1950 147.8000 147.9000
A0-J2 104.7700 104.6380 124.1000 124.2000
A0-K0 96.4520 96.2760 96.9650 97.0600
G1-J2 44.2350 44.1580 75.8000 75.9000
G1-K0 77.7280 77.6620 41.8810 41.9100
J2-K0 47.9090 47.9060 10.8220 10.8830
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 60843.3545579147
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 82.237
HIERARCH ESO ISS PBL12 END 82.195
HIERARCH ESO ISS PBLA12 START 147.8
HIERARCH ESO ISS PBLA12 END 147.9
HIERARCH ESO ISS PBL13 START 104.77
HIERARCH ESO ISS PBL13 END 104.638
HIERARCH ESO ISS PBLA13 START 124.1
HIERARCH ESO ISS PBLA13 END 124.2
HIERARCH ESO ISS PBL14 START 96.452
HIERARCH ESO ISS PBL14 END 96.276
HIERARCH ESO ISS PBLA14 START 96.965
HIERARCH ESO ISS PBLA14 END 97.06
HIERARCH ESO ISS PBL23 START 44.235
HIERARCH ESO ISS PBL23 END 44.158
HIERARCH ESO ISS PBLA23 START 75.8
HIERARCH ESO ISS PBLA23 END 75.9
HIERARCH ESO ISS PBL24 START 77.728
HIERARCH ESO ISS PBL24 END 77.662
HIERARCH ESO ISS PBLA24 START 41.881
HIERARCH ESO ISS PBLA24 END 41.91
HIERARCH ESO ISS PBL34 START 47.909
HIERARCH ESO ISS PBL34 END 47.906
HIERARCH ESO ISS PBLA34 START 10.822
HIERARCH ESO ISS PBLA34 END 10.883
HIERARCH ESO ISS AMBI TAU0 START 0.003334
HIERARCH ESO ISS AMBI TAU0 END 0.002865
HIERARCH ESO ISS AMBI TEMP 6.38
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.82