Exposure
ID
PIONI.2025-06-17T08:15:18.852_1
Header ID
PIONI.2025-06-17T08:15:18.852
Date updated
2025-06-17 08:20:43 UTC+0000
Release date
2025-06-17 08:15:18 UTC+0000
UTC Start
2025-06-17 08:15:18.852
UTC End
2025-06-17 08:15:44.452
MJD Start
60843.3439681949
MJD End
60843.3442644912
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004396
Ambient temperature (°C)
6.55
Seeing (arcsec)
0.59
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 83.3590 83.3140 144.5000 144.6000
A0-J2 108.1710 108.0390 120.8000 120.9000
A0-K0 100.9130 100.7420 94.5450 94.6380
G1-J2 46.1870 46.1120 74.3000 74.4000
G1-K0 79.3650 79.3030 41.0740 41.1070
J2-K0 47.9880 47.9850 9.1970 9.2610
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 60843.3439681949
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 83.359
HIERARCH ESO ISS PBL12 END 83.314
HIERARCH ESO ISS PBLA12 START 144.5
HIERARCH ESO ISS PBLA12 END 144.6
HIERARCH ESO ISS PBL13 START 108.171
HIERARCH ESO ISS PBL13 END 108.039
HIERARCH ESO ISS PBLA13 START 120.8
HIERARCH ESO ISS PBLA13 END 120.9
HIERARCH ESO ISS PBL14 START 100.913
HIERARCH ESO ISS PBL14 END 100.742
HIERARCH ESO ISS PBLA14 START 94.545
HIERARCH ESO ISS PBLA14 END 94.638
HIERARCH ESO ISS PBL23 START 46.187
HIERARCH ESO ISS PBL23 END 46.112
HIERARCH ESO ISS PBLA23 START 74.3
HIERARCH ESO ISS PBLA23 END 74.4
HIERARCH ESO ISS PBL24 START 79.365
HIERARCH ESO ISS PBL24 END 79.303
HIERARCH ESO ISS PBLA24 START 41.074
HIERARCH ESO ISS PBLA24 END 41.107
HIERARCH ESO ISS PBL34 START 47.988
HIERARCH ESO ISS PBL34 END 47.985
HIERARCH ESO ISS PBLA34 START 9.197
HIERARCH ESO ISS PBLA34 END 9.261
HIERARCH ESO ISS AMBI TAU0 START 0.004396
HIERARCH ESO ISS AMBI TAU0 END 0.004396
HIERARCH ESO ISS AMBI TEMP 6.55
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59