Exposure
ID
PIONI.2025-08-17T02:02:39.442_1
Header ID
PIONI.2025-08-17T02:02:39.442
Date updated
2025-08-17 02:10:47 UTC+0000
Release date
2025-08-17 02:02:39 UTC+0000
UTC Start
2025-08-17 02:02:39.442
UTC End
2025-08-17 02:03:05.042
MJD Start
60904.0851787305
MJD End
60904.0854750268
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002256
Ambient temperature (°C)
11.15
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 67.7850 67.7670 277.8000 277.9000
K0-D0 93.8800 93.8400 257.5000 257.6000
K0-J3 55.8480 55.8550 337.0790 337.1560
G2-D0 38.3850 38.3710 219.6000 219.7000
G2-J3 62.0260 61.9990 47.0630 47.1340
D0-J3 100.2110 100.1700 44.2220 44.2910
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 60904.0851787305
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 67.785
HIERARCH ESO ISS PBL12 END 67.767
HIERARCH ESO ISS PBLA12 START 277.8
HIERARCH ESO ISS PBLA12 END 277.9
HIERARCH ESO ISS PBL13 START 93.88
HIERARCH ESO ISS PBL13 END 93.84
HIERARCH ESO ISS PBLA13 START 257.5
HIERARCH ESO ISS PBLA13 END 257.6
HIERARCH ESO ISS PBL14 START 55.848
HIERARCH ESO ISS PBL14 END 55.855
HIERARCH ESO ISS PBLA14 START 337.079
HIERARCH ESO ISS PBLA14 END 337.156
HIERARCH ESO ISS PBL23 START 38.385
HIERARCH ESO ISS PBL23 END 38.371
HIERARCH ESO ISS PBLA23 START 219.6
HIERARCH ESO ISS PBLA23 END 219.7
HIERARCH ESO ISS PBL24 START 62.026
HIERARCH ESO ISS PBL24 END 61.999
HIERARCH ESO ISS PBLA24 START 47.063
HIERARCH ESO ISS PBLA24 END 47.134
HIERARCH ESO ISS PBL34 START 100.211
HIERARCH ESO ISS PBL34 END 100.17
HIERARCH ESO ISS PBLA34 START 44.222
HIERARCH ESO ISS PBLA34 END 44.291
HIERARCH ESO ISS AMBI TAU0 START 0.002256
HIERARCH ESO ISS AMBI TAU0 END 0.002256
HIERARCH ESO ISS AMBI TEMP 11.15
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.66