Exposure
ID
PIONI.2025-06-22T07:43:03.213_1
Header ID
PIONI.2025-06-22T07:43:03.213
Date updated
2025-06-22 07:50:49 UTC+0000
Release date
2025-06-22 07:43:03 UTC+0000
UTC Start
2025-06-22 07:43:03.213
UTC End
2025-06-22 07:43:28.813
MJD Start
60848.3215649668
MJD End
60848.321861263095
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0023360000000000004
Ambient temperature (°C)
11.61
Seeing (arcsec)
0.43
Observation
ID
68193
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
50692
Name
HD 165634
RA
272.020898
DEC
-28.45727
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 54.5680 54.4830 296.4000 296.5000
K0-D0 74.6380 74.4980 270.3000 270.4000
K0-J3 56.1070 56.1060 355.7610 355.8500
G2-D0 35.0850 35.0520 227.2000 227.3000
G2-J3 54.8290 54.7650 54.6820 54.7060
D0-J3 89.7330 89.6360 51.7760 51.7990
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 60848.3215649668
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165634
RA 272.020898
DEC -28.45727
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 54.568
HIERARCH ESO ISS PBL12 END 54.483
HIERARCH ESO ISS PBLA12 START 296.4
HIERARCH ESO ISS PBLA12 END 296.5
HIERARCH ESO ISS PBL13 START 74.638
HIERARCH ESO ISS PBL13 END 74.498
HIERARCH ESO ISS PBLA13 START 270.3
HIERARCH ESO ISS PBLA13 END 270.4
HIERARCH ESO ISS PBL14 START 56.107
HIERARCH ESO ISS PBL14 END 56.106
HIERARCH ESO ISS PBLA14 START 355.761
HIERARCH ESO ISS PBLA14 END 355.85
HIERARCH ESO ISS PBL23 START 35.085
HIERARCH ESO ISS PBL23 END 35.052
HIERARCH ESO ISS PBLA23 START 227.2
HIERARCH ESO ISS PBLA23 END 227.3
HIERARCH ESO ISS PBL24 START 54.829
HIERARCH ESO ISS PBL24 END 54.765
HIERARCH ESO ISS PBLA24 START 54.682
HIERARCH ESO ISS PBLA24 END 54.706
HIERARCH ESO ISS PBL34 START 89.733
HIERARCH ESO ISS PBL34 END 89.636
HIERARCH ESO ISS PBLA34 START 51.776
HIERARCH ESO ISS PBLA34 END 51.799
HIERARCH ESO ISS AMBI TAU0 START 0.002282
HIERARCH ESO ISS AMBI TAU0 END 0.00239
HIERARCH ESO ISS AMBI TEMP 11.61
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43