Exposure
ID
PIONI.2025-06-17T08:28:02.550_1
Header ID
PIONI.2025-06-17T08:28:02.550
Date updated
2025-06-17 08:36:34 UTC+0000
Release date
2025-06-17 08:28:02 UTC+0000
UTC Start
2025-06-17 08:28:02.550
UTC End
2025-06-17 08:28:28.150
MJD Start
60843.352807289
MJD End
60843.353103585294
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003334
Ambient temperature (°C)
6.34
Seeing (arcsec)
0.69
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 82.4220 82.3780 147.2000 147.3000
A0-J2 105.3420 105.2070 123.5000 123.7000
A0-K0 97.2120 97.0330 96.5530 96.6500
G1-J2 44.5690 44.4910 75.6000 75.7000
G1-K0 78.0090 77.9420 41.7540 41.7850
J2-K0 47.9230 47.9200 10.5540 10.6170
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 60843.352807289
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 82.422
HIERARCH ESO ISS PBL12 END 82.378
HIERARCH ESO ISS PBLA12 START 147.2
HIERARCH ESO ISS PBLA12 END 147.3
HIERARCH ESO ISS PBL13 START 105.342
HIERARCH ESO ISS PBL13 END 105.207
HIERARCH ESO ISS PBLA13 START 123.5
HIERARCH ESO ISS PBLA13 END 123.7
HIERARCH ESO ISS PBL14 START 97.212
HIERARCH ESO ISS PBL14 END 97.033
HIERARCH ESO ISS PBLA14 START 96.553
HIERARCH ESO ISS PBLA14 END 96.65
HIERARCH ESO ISS PBL23 START 44.569
HIERARCH ESO ISS PBL23 END 44.491
HIERARCH ESO ISS PBLA23 START 75.6
HIERARCH ESO ISS PBLA23 END 75.7
HIERARCH ESO ISS PBL24 START 78.009
HIERARCH ESO ISS PBL24 END 77.942
HIERARCH ESO ISS PBLA24 START 41.754
HIERARCH ESO ISS PBLA24 END 41.785
HIERARCH ESO ISS PBL34 START 47.923
HIERARCH ESO ISS PBL34 END 47.92
HIERARCH ESO ISS PBLA34 START 10.554
HIERARCH ESO ISS PBLA34 END 10.617
HIERARCH ESO ISS AMBI TAU0 START 0.003334
HIERARCH ESO ISS AMBI TAU0 END 0.003334
HIERARCH ESO ISS AMBI TEMP 6.34
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.69