Exposure
ID
PIONI.2025-06-22T07:10:37.057_1
Header ID
PIONI.2025-06-22T07:10:37.057
Date updated
2025-06-22 07:20:48 UTC+0000
Release date
2025-06-22 07:10:37 UTC+0000
UTC Start
2025-06-22 07:10:37.057
UTC End
2025-06-22 07:11:02.657
MJD Start
60848.2990400144
MJD End
60848.299336310694
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002639
Ambient temperature (°C)
11.04
Seeing (arcsec)
0.52
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 58.9090 58.8340 290.6000 290.7000
K0-D0 81.5610 81.4440 266.6000 266.7000
K0-J3 56.2040 56.2020 351.0280 351.1140
G2-D0 36.6750 36.6490 225.8000 225.8000
G2-J3 57.9710 57.9190 53.1300 53.1630
D0-J3 94.4610 94.3820 50.2770 50.3090
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 60848.2990400144
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 58.909
HIERARCH ESO ISS PBL12 END 58.834
HIERARCH ESO ISS PBLA12 START 290.6
HIERARCH ESO ISS PBLA12 END 290.7
HIERARCH ESO ISS PBL13 START 81.561
HIERARCH ESO ISS PBL13 END 81.444
HIERARCH ESO ISS PBLA13 START 266.6
HIERARCH ESO ISS PBLA13 END 266.7
HIERARCH ESO ISS PBL14 START 56.204
HIERARCH ESO ISS PBL14 END 56.202
HIERARCH ESO ISS PBLA14 START 351.028
HIERARCH ESO ISS PBLA14 END 351.114
HIERARCH ESO ISS PBL23 START 36.675
HIERARCH ESO ISS PBL23 END 36.649
HIERARCH ESO ISS PBLA23 START 225.8
HIERARCH ESO ISS PBLA23 END 225.8
HIERARCH ESO ISS PBL24 START 57.971
HIERARCH ESO ISS PBL24 END 57.919
HIERARCH ESO ISS PBLA24 START 53.13
HIERARCH ESO ISS PBLA24 END 53.163
HIERARCH ESO ISS PBL34 START 94.461
HIERARCH ESO ISS PBL34 END 94.382
HIERARCH ESO ISS PBLA34 START 50.277
HIERARCH ESO ISS PBLA34 END 50.309
HIERARCH ESO ISS AMBI TAU0 START 0.002639
HIERARCH ESO ISS AMBI TAU0 END 0.002639
HIERARCH ESO ISS AMBI TEMP 11.04
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.52