Exposure
ID
PIONI.2025-08-15T02:44:09.250_1
Header ID
PIONI.2025-08-15T02:44:09.250
Date updated
2025-08-15 02:50:50 UTC+0000
Release date
2025-08-15 02:44:09 UTC+0000
UTC Start
2025-08-15 02:44:09.250
UTC End
2025-08-15 02:44:34.850
MJD Start
60902.113995953
MJD End
60902.114292249295
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.001756
Ambient temperature (°C)
10.87
Seeing (arcsec)
1.4
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 66.3670 66.3340 283.3000 283.4000
K0-D0 91.0270 90.9650 262.4000 262.5000
K0-J3 56.1660 56.1710 341.4900 341.5700
G2-D0 37.4220 37.4030 223.3000 223.3000
G2-J3 60.2580 60.2210 50.8950 50.9600
D0-J3 97.4750 97.4180 47.9680 48.0320
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 60902.113995953
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 66.367
HIERARCH ESO ISS PBL12 END 66.334
HIERARCH ESO ISS PBLA12 START 283.3
HIERARCH ESO ISS PBLA12 END 283.4
HIERARCH ESO ISS PBL13 START 91.027
HIERARCH ESO ISS PBL13 END 90.965
HIERARCH ESO ISS PBLA13 START 262.4
HIERARCH ESO ISS PBLA13 END 262.5
HIERARCH ESO ISS PBL14 START 56.166
HIERARCH ESO ISS PBL14 END 56.171
HIERARCH ESO ISS PBLA14 START 341.49
HIERARCH ESO ISS PBLA14 END 341.57
HIERARCH ESO ISS PBL23 START 37.422
HIERARCH ESO ISS PBL23 END 37.403
HIERARCH ESO ISS PBLA23 START 223.3
HIERARCH ESO ISS PBLA23 END 223.3
HIERARCH ESO ISS PBL24 START 60.258
HIERARCH ESO ISS PBL24 END 60.221
HIERARCH ESO ISS PBLA24 START 50.895
HIERARCH ESO ISS PBLA24 END 50.96
HIERARCH ESO ISS PBL34 START 97.475
HIERARCH ESO ISS PBL34 END 97.418
HIERARCH ESO ISS PBLA34 START 47.968
HIERARCH ESO ISS PBLA34 END 48.032
HIERARCH ESO ISS AMBI TAU0 START 0.001756
HIERARCH ESO ISS AMBI TAU0 END 0.001756
HIERARCH ESO ISS AMBI TEMP 10.87
HIERARCH ESO ISS AMBI FWHM START 1.4
HIERARCH ESO ISS AMBI FWHM END 1.4