Exposure
ID
PIONI.2025-08-15T02:46:02.475_1
Header ID
PIONI.2025-08-15T02:46:02.475
Date updated
2025-08-15 02:55:33 UTC+0000
Release date
2025-08-15 02:46:02 UTC+0000
UTC Start
2025-08-15 02:46:02.475
UTC End
2025-08-15 02:46:28.075
MJD Start
60902.1153064226
MJD End
60902.1156027189
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.001756
Ambient temperature (°C)
11.09
Seeing (arcsec)
1.51
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 66.2630 66.2300 283.6000 283.7000
K0-D0 90.8310 90.7680 262.7000 262.8000
K0-J3 56.1800 56.1840 341.7430 341.8240
G2-D0 37.3600 37.3400 223.4000 223.5000
G2-J3 60.1420 60.1040 51.1000 51.1660
D0-J3 97.2960 97.2380 48.1680 48.2320
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 60902.1153064226
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 66.263
HIERARCH ESO ISS PBL12 END 66.23
HIERARCH ESO ISS PBLA12 START 283.6
HIERARCH ESO ISS PBLA12 END 283.7
HIERARCH ESO ISS PBL13 START 90.831
HIERARCH ESO ISS PBL13 END 90.768
HIERARCH ESO ISS PBLA13 START 262.7
HIERARCH ESO ISS PBLA13 END 262.8
HIERARCH ESO ISS PBL14 START 56.18
HIERARCH ESO ISS PBL14 END 56.184
HIERARCH ESO ISS PBLA14 START 341.743
HIERARCH ESO ISS PBLA14 END 341.824
HIERARCH ESO ISS PBL23 START 37.36
HIERARCH ESO ISS PBL23 END 37.34
HIERARCH ESO ISS PBLA23 START 223.4
HIERARCH ESO ISS PBLA23 END 223.5
HIERARCH ESO ISS PBL24 START 60.142
HIERARCH ESO ISS PBL24 END 60.104
HIERARCH ESO ISS PBLA24 START 51.1
HIERARCH ESO ISS PBLA24 END 51.166
HIERARCH ESO ISS PBL34 START 97.296
HIERARCH ESO ISS PBL34 END 97.238
HIERARCH ESO ISS PBLA34 START 48.168
HIERARCH ESO ISS PBLA34 END 48.232
HIERARCH ESO ISS AMBI TAU0 START 0.001756
HIERARCH ESO ISS AMBI TAU0 END 0.001756
HIERARCH ESO ISS AMBI TEMP 11.09
HIERARCH ESO ISS AMBI FWHM START 1.51
HIERARCH ESO ISS AMBI FWHM END 1.51