Exposure
ID
PIONI.2025-06-17T07:56:08.365_1
Header ID
PIONI.2025-06-17T07:56:08.365
Date updated
2025-06-17 08:05:50 UTC+0000
Release date
2025-06-17 07:56:08 UTC+0000
UTC Start
2025-06-17 07:56:08.365
UTC End
2025-06-17 07:56:33.965
MJD Start
60843.3306523683
MJD End
60843.330948664596
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002957
Ambient temperature (°C)
6.68
Seeing (arcsec)
0.81
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 84.7710 84.7270 140.5000 140.6000
A0-J2 112.2590 112.1350 116.9000 117.0000
A0-K0 106.1100 105.9550 91.6740 91.7610
G1-J2 48.4360 48.3700 72.4000 72.5000
G1-K0 81.2390 81.1840 39.9240 39.9620
J2-K0 48.0640 48.0620 7.1160 7.1820
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 60843.3306523683
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 84.771
HIERARCH ESO ISS PBL12 END 84.727
HIERARCH ESO ISS PBLA12 START 140.5
HIERARCH ESO ISS PBLA12 END 140.6
HIERARCH ESO ISS PBL13 START 112.259
HIERARCH ESO ISS PBL13 END 112.135
HIERARCH ESO ISS PBLA13 START 116.9
HIERARCH ESO ISS PBLA13 END 117.0
HIERARCH ESO ISS PBL14 START 106.11
HIERARCH ESO ISS PBL14 END 105.955
HIERARCH ESO ISS PBLA14 START 91.674
HIERARCH ESO ISS PBLA14 END 91.761
HIERARCH ESO ISS PBL23 START 48.436
HIERARCH ESO ISS PBL23 END 48.37
HIERARCH ESO ISS PBLA23 START 72.4
HIERARCH ESO ISS PBLA23 END 72.5
HIERARCH ESO ISS PBL24 START 81.239
HIERARCH ESO ISS PBL24 END 81.184
HIERARCH ESO ISS PBLA24 START 39.924
HIERARCH ESO ISS PBLA24 END 39.962
HIERARCH ESO ISS PBL34 START 48.064
HIERARCH ESO ISS PBL34 END 48.062
HIERARCH ESO ISS PBLA34 START 7.116
HIERARCH ESO ISS PBLA34 END 7.182
HIERARCH ESO ISS AMBI TAU0 START 0.003132
HIERARCH ESO ISS AMBI TAU0 END 0.002782
HIERARCH ESO ISS AMBI TEMP 6.68
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.81