Exposure
ID
PIONI.2025-06-17T07:27:16.266_1
Header ID
PIONI.2025-06-17T07:27:16.266
Date updated
2025-06-17 07:36:13 UTC+0000
Release date
2025-06-17 07:27:16 UTC+0000
UTC Start
2025-06-17 07:27:16.266
UTC End
2025-06-17 07:27:41.866
MJD Start
60843.3106049267
MJD End
60843.310901223
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002844
Ambient temperature (°C)
6.89
Seeing (arcsec)
0.95
Observation
ID
68115
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
50631
Name
HD 165634
RA
272.019635
DEC
-28.45727
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 83.2310 83.1750 136.4000 136.5000
A0-J2 112.3270 112.1890 111.5000 111.6000
A0-K0 109.5210 109.3680 86.2570 86.3230
G1-J2 50.8590 50.7980 67.9000 68.0000
G1-K0 85.1320 85.0880 37.5890 37.6220
J2-K0 48.5950 48.5940 5.6590 5.7240
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 60843.3106049267
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165634
RA 272.019635
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 83.231
HIERARCH ESO ISS PBL12 END 83.175
HIERARCH ESO ISS PBLA12 START 136.4
HIERARCH ESO ISS PBLA12 END 136.5
HIERARCH ESO ISS PBL13 START 112.327
HIERARCH ESO ISS PBL13 END 112.189
HIERARCH ESO ISS PBLA13 START 111.5
HIERARCH ESO ISS PBLA13 END 111.6
HIERARCH ESO ISS PBL14 START 109.521
HIERARCH ESO ISS PBL14 END 109.368
HIERARCH ESO ISS PBLA14 START 86.257
HIERARCH ESO ISS PBLA14 END 86.323
HIERARCH ESO ISS PBL23 START 50.859
HIERARCH ESO ISS PBL23 END 50.798
HIERARCH ESO ISS PBLA23 START 67.9
HIERARCH ESO ISS PBLA23 END 68.0
HIERARCH ESO ISS PBL24 START 85.132
HIERARCH ESO ISS PBL24 END 85.088
HIERARCH ESO ISS PBLA24 START 37.589
HIERARCH ESO ISS PBLA24 END 37.622
HIERARCH ESO ISS PBL34 START 48.595
HIERARCH ESO ISS PBL34 END 48.594
HIERARCH ESO ISS PBLA34 START 5.659
HIERARCH ESO ISS PBLA34 END 5.724
HIERARCH ESO ISS AMBI TAU0 START 0.002844
HIERARCH ESO ISS AMBI TAU0 END 0.002844
HIERARCH ESO ISS AMBI TEMP 6.89
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.95