Exposure
ID
PIONI.2025-06-17T07:56:46.079_1
Header ID
PIONI.2025-06-17T07:56:46.079
Date updated
2025-06-17 08:05:50 UTC+0000
Release date
2025-06-17 07:56:46 UTC+0000
UTC Start
2025-06-17 07:56:46.080
UTC End
2025-06-17 07:57:11.680
MJD Start
60843.3310888847
MJD End
60843.331385180994
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002782
Ambient temperature (°C)
6.75
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 84.7250 84.6810 140.6000 140.7000
A0-J2 112.1280 112.0040 117.0000 117.1000
A0-K0 105.9460 105.7900 91.7660 91.8530
G1-J2 48.3660 48.2990 72.5000 72.6000
G1-K0 81.1810 81.1250 39.9640 40.0020
J2-K0 48.0620 48.0600 7.1860 7.2510
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 60843.3310888847
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 84.725
HIERARCH ESO ISS PBL12 END 84.681
HIERARCH ESO ISS PBLA12 START 140.6
HIERARCH ESO ISS PBLA12 END 140.7
HIERARCH ESO ISS PBL13 START 112.128
HIERARCH ESO ISS PBL13 END 112.004
HIERARCH ESO ISS PBLA13 START 117.0
HIERARCH ESO ISS PBLA13 END 117.1
HIERARCH ESO ISS PBL14 START 105.946
HIERARCH ESO ISS PBL14 END 105.79
HIERARCH ESO ISS PBLA14 START 91.766
HIERARCH ESO ISS PBLA14 END 91.853
HIERARCH ESO ISS PBL23 START 48.366
HIERARCH ESO ISS PBL23 END 48.299
HIERARCH ESO ISS PBLA23 START 72.5
HIERARCH ESO ISS PBLA23 END 72.6
HIERARCH ESO ISS PBL24 START 81.181
HIERARCH ESO ISS PBL24 END 81.125
HIERARCH ESO ISS PBLA24 START 39.964
HIERARCH ESO ISS PBLA24 END 40.002
HIERARCH ESO ISS PBL34 START 48.062
HIERARCH ESO ISS PBL34 END 48.06
HIERARCH ESO ISS PBLA34 START 7.186
HIERARCH ESO ISS PBLA34 END 7.251
HIERARCH ESO ISS AMBI TAU0 START 0.002782
HIERARCH ESO ISS AMBI TAU0 END 0.002782
HIERARCH ESO ISS AMBI TEMP 6.75
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.81