Exposure
ID
PIONI.2025-06-17T08:00:48.944_1
Header ID
PIONI.2025-06-17T08:00:48.944
Date updated
2025-06-17 08:12:41 UTC+0000
Release date
2025-06-17 08:00:48 UTC+0000
UTC Start
2025-06-17 08:00:48.945
UTC End
2025-06-17 08:01:14.545
MJD Start
60843.3338998216
MJD End
60843.334196117896
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002998
Ambient temperature (°C)
6.78
Seeing (arcsec)
0.87
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 79.9820 79.9230 143.1000 143.3000
A0-J2 104.0680 103.9110 117.5000 117.6000
A0-K0 100.0980 99.9140 90.1050 90.1770
G1-J2 47.0800 47.0060 70.3000 70.3000
G1-K0 82.4000 82.3450 39.2450 39.2710
J2-K0 48.5490 48.5480 9.2610 9.3240
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 60843.3338998216
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 79.982
HIERARCH ESO ISS PBL12 END 79.923
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.3
HIERARCH ESO ISS PBL13 START 104.068
HIERARCH ESO ISS PBL13 END 103.911
HIERARCH ESO ISS PBLA13 START 117.5
HIERARCH ESO ISS PBLA13 END 117.6
HIERARCH ESO ISS PBL14 START 100.098
HIERARCH ESO ISS PBL14 END 99.914
HIERARCH ESO ISS PBLA14 START 90.105
HIERARCH ESO ISS PBLA14 END 90.177
HIERARCH ESO ISS PBL23 START 47.08
HIERARCH ESO ISS PBL23 END 47.006
HIERARCH ESO ISS PBLA23 START 70.3
HIERARCH ESO ISS PBLA23 END 70.3
HIERARCH ESO ISS PBL24 START 82.4
HIERARCH ESO ISS PBL24 END 82.345
HIERARCH ESO ISS PBLA24 START 39.245
HIERARCH ESO ISS PBLA24 END 39.271
HIERARCH ESO ISS PBL34 START 48.549
HIERARCH ESO ISS PBL34 END 48.548
HIERARCH ESO ISS PBLA34 START 9.261
HIERARCH ESO ISS PBLA34 END 9.324
HIERARCH ESO ISS AMBI TAU0 START 0.002998
HIERARCH ESO ISS AMBI TAU0 END 0.002998
HIERARCH ESO ISS AMBI TEMP 6.78
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.87