Exposure
ID
PIONI.2025-06-16T04:26:07.089_1
Header ID
PIONI.2025-06-16T04:26:07.089
Date updated
2025-06-16 04:41:55 UTC+0000
Release date
2025-06-16 04:26:07 UTC+0000
UTC Start
2025-06-16 04:26:07.089
UTC End
2025-06-16 04:26:32.689
MJD Start
60842.1848042747
MJD End
60842.185100571
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004089
Ambient temperature (°C)
6.68
Seeing (arcsec)
0.885
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 86.8940 86.9460 107.7000 107.8000
A0-J2 125.7340 125.7980 83.9000 84.0000
A0-K0 126.5090 126.5460 62.1600 62.2530
G1-J2 58.0500 58.0570 46.7000 46.8000
G1-K0 90.2870 90.2830 18.7890 18.8660
J2-K0 47.4980 47.5040 343.9330 343.9920
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 60842.1848042747
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 86.894
HIERARCH ESO ISS PBL12 END 86.946
HIERARCH ESO ISS PBLA12 START 107.7
HIERARCH ESO ISS PBLA12 END 107.8
HIERARCH ESO ISS PBL13 START 125.734
HIERARCH ESO ISS PBL13 END 125.798
HIERARCH ESO ISS PBLA13 START 83.9
HIERARCH ESO ISS PBLA13 END 84.0
HIERARCH ESO ISS PBL14 START 126.509
HIERARCH ESO ISS PBL14 END 126.546
HIERARCH ESO ISS PBLA14 START 62.16
HIERARCH ESO ISS PBLA14 END 62.253
HIERARCH ESO ISS PBL23 START 58.05
HIERARCH ESO ISS PBL23 END 58.057
HIERARCH ESO ISS PBLA23 START 46.7
HIERARCH ESO ISS PBLA23 END 46.8
HIERARCH ESO ISS PBL24 START 90.287
HIERARCH ESO ISS PBL24 END 90.283
HIERARCH ESO ISS PBLA24 START 18.789
HIERARCH ESO ISS PBLA24 END 18.866
HIERARCH ESO ISS PBL34 START 47.498
HIERARCH ESO ISS PBL34 END 47.504
HIERARCH ESO ISS PBLA34 START 343.933
HIERARCH ESO ISS PBLA34 END 343.992
HIERARCH ESO ISS AMBI TAU0 START 0.004089
HIERARCH ESO ISS AMBI TAU0 END 0.004089
HIERARCH ESO ISS AMBI TEMP 6.68
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 1.04