Exposure
ID
PIONI.2025-07-25T06:36:44.117_1
Header ID
PIONI.2025-07-25T06:36:44.117
Date updated
2025-07-25 06:40:54 UTC+0000
Release date
2025-07-25 06:36:44 UTC+0000
UTC Start
2025-07-25 06:36:44.117
UTC End
2025-07-25 06:37:09.717
MJD Start
60881.275510611
MJD End
60881.275806907295
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004547
Ambient temperature (°C)
11.98
Seeing (arcsec)
0.57
Observation
ID
68967
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
51192
Name
HD 165634
RA
272.019636
DEC
-28.45727
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.4000 24.3990 178.6000 178.8000
A0-D0 19.3160 19.2580 99.2000 99.2000
A0-C1 18.5480 18.5370 158.7110 158.8690
B2-D0 28.2280 28.2000 40.9000 41.0000
B2-C1 9.4060 9.3970 40.9120 40.9170
D0-C1 18.8220 18.8030 220.9670 220.9720
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 60881.275510611
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165634
RA 272.019636
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 24.4
HIERARCH ESO ISS PBL12 END 24.399
HIERARCH ESO ISS PBLA12 START 178.6
HIERARCH ESO ISS PBLA12 END 178.8
HIERARCH ESO ISS PBL13 START 19.316
HIERARCH ESO ISS PBL13 END 19.258
HIERARCH ESO ISS PBLA13 START 99.2
HIERARCH ESO ISS PBLA13 END 99.2
HIERARCH ESO ISS PBL14 START 18.548
HIERARCH ESO ISS PBL14 END 18.537
HIERARCH ESO ISS PBLA14 START 158.711
HIERARCH ESO ISS PBLA14 END 158.869
HIERARCH ESO ISS PBL23 START 28.228
HIERARCH ESO ISS PBL23 END 28.2
HIERARCH ESO ISS PBLA23 START 40.9
HIERARCH ESO ISS PBLA23 END 41.0
HIERARCH ESO ISS PBL24 START 9.406
HIERARCH ESO ISS PBL24 END 9.397
HIERARCH ESO ISS PBLA24 START 40.912
HIERARCH ESO ISS PBLA24 END 40.917
HIERARCH ESO ISS PBL34 START 18.822
HIERARCH ESO ISS PBL34 END 18.803
HIERARCH ESO ISS PBLA34 START 220.967
HIERARCH ESO ISS PBLA34 END 220.972
HIERARCH ESO ISS AMBI TAU0 START 0.004548
HIERARCH ESO ISS AMBI TAU0 END 0.004546
HIERARCH ESO ISS AMBI TEMP 11.98
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57