Exposure
ID
PIONI.2025-08-17T02:02:01.708_1
Header ID
PIONI.2025-08-17T02:02:01.708
Date updated
2025-08-17 02:10:47 UTC+0000
Release date
2025-08-17 02:02:01 UTC+0000
UTC Start
2025-08-17 02:02:01.708
UTC End
2025-08-17 02:02:27.308
MJD Start
60904.0847419878
MJD End
60904.085038284094
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002256
Ambient temperature (°C)
11.12
Seeing (arcsec)
0.66
Observation
ID
70014
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
51945
Name
HD 168592
RA
275.577084
DEC
-38.65706
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.8040 67.7860 277.7000 277.8000
K0-D0 93.9220 93.8820 257.4000 257.5000
K0-J3 55.8400 55.8470 336.9980 337.0750
G2-D0 38.4010 38.3860 219.6000 219.6000
G2-J3 62.0540 62.0270 46.9880 47.0590
D0-J3 100.2550 100.2140 44.1480 44.2180
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 60904.0847419878
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 168592
RA 275.577084
DEC -38.65706
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 67.804
HIERARCH ESO ISS PBL12 END 67.786
HIERARCH ESO ISS PBLA12 START 277.7
HIERARCH ESO ISS PBLA12 END 277.8
HIERARCH ESO ISS PBL13 START 93.922
HIERARCH ESO ISS PBL13 END 93.882
HIERARCH ESO ISS PBLA13 START 257.4
HIERARCH ESO ISS PBLA13 END 257.5
HIERARCH ESO ISS PBL14 START 55.84
HIERARCH ESO ISS PBL14 END 55.847
HIERARCH ESO ISS PBLA14 START 336.998
HIERARCH ESO ISS PBLA14 END 337.075
HIERARCH ESO ISS PBL23 START 38.401
HIERARCH ESO ISS PBL23 END 38.386
HIERARCH ESO ISS PBLA23 START 219.6
HIERARCH ESO ISS PBLA23 END 219.6
HIERARCH ESO ISS PBL24 START 62.054
HIERARCH ESO ISS PBL24 END 62.027
HIERARCH ESO ISS PBLA24 START 46.988
HIERARCH ESO ISS PBLA24 END 47.059
HIERARCH ESO ISS PBL34 START 100.255
HIERARCH ESO ISS PBL34 END 100.214
HIERARCH ESO ISS PBLA34 START 44.148
HIERARCH ESO ISS PBLA34 END 44.218
HIERARCH ESO ISS AMBI TAU0 START 0.002256
HIERARCH ESO ISS AMBI TAU0 END 0.002256
HIERARCH ESO ISS AMBI TEMP 11.12
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.66