Exposure
ID
PIONI.2025-07-25T06:36:06.327_1
Header ID
PIONI.2025-07-25T06:36:06.327
Date updated
2025-07-25 06:40:54 UTC+0000
Release date
2025-07-25 06:36:06 UTC+0000
UTC Start
2025-07-25 06:36:06.327
UTC End
2025-07-25 06:36:31.927
MJD Start
60881.2750732321
MJD End
60881.2753695284
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004548
Ambient temperature (°C)
12.02
Seeing (arcsec)
0.58
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 24.4000 178.5000 178.6000
A0-D0 19.3760 19.3170 99.0000 99.1000
A0-C1 18.5590 18.5490 158.5500 158.7070
B2-D0 28.2580 28.2290 40.9000 40.9000
B2-C1 9.4160 9.4060 40.9070 40.9120
D0-C1 18.8420 18.8230 220.9620 220.9680
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 60881.2750732321
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 24.4
HIERARCH ESO ISS PBLA12 START 178.5
HIERARCH ESO ISS PBLA12 END 178.6
HIERARCH ESO ISS PBL13 START 19.376
HIERARCH ESO ISS PBL13 END 19.317
HIERARCH ESO ISS PBLA13 START 99.0
HIERARCH ESO ISS PBLA13 END 99.1
HIERARCH ESO ISS PBL14 START 18.559
HIERARCH ESO ISS PBL14 END 18.549
HIERARCH ESO ISS PBLA14 START 158.55
HIERARCH ESO ISS PBLA14 END 158.707
HIERARCH ESO ISS PBL23 START 28.258
HIERARCH ESO ISS PBL23 END 28.229
HIERARCH ESO ISS PBLA23 START 40.9
HIERARCH ESO ISS PBLA23 END 40.9
HIERARCH ESO ISS PBL24 START 9.416
HIERARCH ESO ISS PBL24 END 9.406
HIERARCH ESO ISS PBLA24 START 40.907
HIERARCH ESO ISS PBLA24 END 40.912
HIERARCH ESO ISS PBL34 START 18.842
HIERARCH ESO ISS PBL34 END 18.823
HIERARCH ESO ISS PBLA34 START 220.962
HIERARCH ESO ISS PBLA34 END 220.968
HIERARCH ESO ISS AMBI TAU0 START 0.004548
HIERARCH ESO ISS AMBI TAU0 END 0.004548
HIERARCH ESO ISS AMBI TEMP 12.02
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.57