Exposure
ID
PIONI.2025-08-17T01:41:40.443_1
Header ID
PIONI.2025-08-17T01:41:40.443
Date updated
2025-08-17 01:45:51 UTC+0000
Release date
2025-08-17 01:41:40 UTC+0000
UTC Start
2025-08-17 01:41:40.443
UTC End
2025-08-17 01:42:06.043
MJD Start
60904.0706069781
MJD End
60904.0709032744
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003173
Ambient temperature (°C)
10.77
Seeing (arcsec)
0.58
Observation
ID
70013
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
51944
Name
HD 165634
RA
272.020899
DEC
-28.45727
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 67.8150 67.7950 275.6000 275.6000
K0-D0 94.9960 94.9650 254.8000 254.9000
K0-J3 56.5620 56.5630 336.5970 336.6680
G2-D0 39.6510 39.6440 217.6000 217.7000
G2-J3 63.9030 63.8880 44.8030 44.8620
D0-J3 103.3600 103.3390 42.0460 42.1040
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 60904.0706069781
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165634
RA 272.020899
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 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 67.815
HIERARCH ESO ISS PBL12 END 67.795
HIERARCH ESO ISS PBLA12 START 275.6
HIERARCH ESO ISS PBLA12 END 275.6
HIERARCH ESO ISS PBL13 START 94.996
HIERARCH ESO ISS PBL13 END 94.965
HIERARCH ESO ISS PBLA13 START 254.8
HIERARCH ESO ISS PBLA13 END 254.9
HIERARCH ESO ISS PBL14 START 56.562
HIERARCH ESO ISS PBL14 END 56.563
HIERARCH ESO ISS PBLA14 START 336.597
HIERARCH ESO ISS PBLA14 END 336.668
HIERARCH ESO ISS PBL23 START 39.651
HIERARCH ESO ISS PBL23 END 39.644
HIERARCH ESO ISS PBLA23 START 217.6
HIERARCH ESO ISS PBLA23 END 217.7
HIERARCH ESO ISS PBL24 START 63.903
HIERARCH ESO ISS PBL24 END 63.888
HIERARCH ESO ISS PBLA24 START 44.803
HIERARCH ESO ISS PBLA24 END 44.862
HIERARCH ESO ISS PBL34 START 103.36
HIERARCH ESO ISS PBL34 END 103.339
HIERARCH ESO ISS PBLA34 START 42.046
HIERARCH ESO ISS PBLA34 END 42.104
HIERARCH ESO ISS AMBI TAU0 START 0.003173
HIERARCH ESO ISS AMBI TAU0 END 0.003173
HIERARCH ESO ISS AMBI TEMP 10.77
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.58