Exposure
ID
PIONI.2025-06-16T04:25:29.362_1
Header ID
PIONI.2025-06-16T04:25:29.362
Date updated
2025-06-16 04:41:55 UTC+0000
Release date
2025-06-16 04:25:29 UTC+0000
UTC Start
2025-06-16 04:25:29.362
UTC End
2025-06-16 04:25:54.962
MJD Start
60842.1843676209
MJD End
60842.1846639172
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0041145
Ambient temperature (°C)
6.69
Seeing (arcsec)
0.715
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 86.8390 86.8930 107.6000 107.7000
A0-J2 125.6650 125.7320 83.8000 83.9000
A0-K0 126.4690 126.5080 62.0610 62.1610
G1-J2 58.0420 58.0500 46.6000 46.7000
G1-K0 90.2920 90.2870 18.7140 18.7910
J2-K0 47.4910 47.4980 343.8770 343.9360
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 60842.1843676209
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 86.839
HIERARCH ESO ISS PBL12 END 86.893
HIERARCH ESO ISS PBLA12 START 107.6
HIERARCH ESO ISS PBLA12 END 107.7
HIERARCH ESO ISS PBL13 START 125.665
HIERARCH ESO ISS PBL13 END 125.732
HIERARCH ESO ISS PBLA13 START 83.8
HIERARCH ESO ISS PBLA13 END 83.9
HIERARCH ESO ISS PBL14 START 126.469
HIERARCH ESO ISS PBL14 END 126.508
HIERARCH ESO ISS PBLA14 START 62.061
HIERARCH ESO ISS PBLA14 END 62.161
HIERARCH ESO ISS PBL23 START 58.042
HIERARCH ESO ISS PBL23 END 58.05
HIERARCH ESO ISS PBLA23 START 46.6
HIERARCH ESO ISS PBLA23 END 46.7
HIERARCH ESO ISS PBL24 START 90.292
HIERARCH ESO ISS PBL24 END 90.287
HIERARCH ESO ISS PBLA24 START 18.714
HIERARCH ESO ISS PBLA24 END 18.791
HIERARCH ESO ISS PBL34 START 47.491
HIERARCH ESO ISS PBL34 END 47.498
HIERARCH ESO ISS PBLA34 START 343.877
HIERARCH ESO ISS PBLA34 END 343.936
HIERARCH ESO ISS AMBI TAU0 START 0.00414
HIERARCH ESO ISS AMBI TAU0 END 0.004089
HIERARCH ESO ISS AMBI TEMP 6.69
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.73