Exposure
ID
PIONI.2025-08-15T04:21:10.893_1
Header ID
PIONI.2025-08-15T04:21:10.893
Date updated
2025-08-15 04:30:45 UTC+0000
Release date
2025-08-15 04:21:10 UTC+0000
UTC Start
2025-08-15 04:21:10.893
UTC End
2025-08-15 04:21:36.493
MJD Start
60902.1813760786
MJD End
60902.1816723749
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002512
Ambient temperature (°C)
10.5
Seeing (arcsec)
1.08
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 58.3660 58.3040 301.6000 301.8000
K0-D0 76.2270 76.1080 277.8000 277.9000
K0-J3 56.4890 56.4890 355.2210 355.3090
G2-D0 32.8810 32.8450 231.8000 231.9000
G2-J3 51.7850 51.7170 60.2940 60.3450
D0-J3 84.4460 84.3410 57.0020 57.0500
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 60902.1813760786
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 58.366
HIERARCH ESO ISS PBL12 END 58.304
HIERARCH ESO ISS PBLA12 START 301.6
HIERARCH ESO ISS PBLA12 END 301.8
HIERARCH ESO ISS PBL13 START 76.227
HIERARCH ESO ISS PBL13 END 76.108
HIERARCH ESO ISS PBLA13 START 277.8
HIERARCH ESO ISS PBLA13 END 277.9
HIERARCH ESO ISS PBL14 START 56.489
HIERARCH ESO ISS PBL14 END 56.489
HIERARCH ESO ISS PBLA14 START 355.221
HIERARCH ESO ISS PBLA14 END 355.309
HIERARCH ESO ISS PBL23 START 32.881
HIERARCH ESO ISS PBL23 END 32.845
HIERARCH ESO ISS PBLA23 START 231.8
HIERARCH ESO ISS PBLA23 END 231.9
HIERARCH ESO ISS PBL24 START 51.785
HIERARCH ESO ISS PBL24 END 51.717
HIERARCH ESO ISS PBLA24 START 60.294
HIERARCH ESO ISS PBLA24 END 60.345
HIERARCH ESO ISS PBL34 START 84.446
HIERARCH ESO ISS PBL34 END 84.341
HIERARCH ESO ISS PBLA34 START 57.002
HIERARCH ESO ISS PBLA34 END 57.05
HIERARCH ESO ISS AMBI TAU0 START 0.002512
HIERARCH ESO ISS AMBI TAU0 END 0.002512
HIERARCH ESO ISS AMBI TEMP 10.5
HIERARCH ESO ISS AMBI FWHM START 1.08
HIERARCH ESO ISS AMBI FWHM END 1.08