Exposure
ID
GRAVI.2023-05-25T05:47:55.432_1
Header ID
GRAVI.2023-05-25T05:47:55.432
Date updated
2023-05-25 06:01:15 UTC+0000
Release date
2023-05-25 05:47:55 UTC+0000
UTC Start
2023-05-25 05:47:55.432
UTC End
2023-05-25 05:53:15.432
MJD Start
60089.2416138
MJD End
60089.2453175037
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0028855
Ambient temperature (°C)
10.88
Seeing (arcsec)
1.01
Observation
ID
55589
Category
calibrator
Program ID
111.24JN.001
Program Title
ELUCIDATING THE EVOLUTIONARY CONNECTIONS BETWEEN NITROGEN- AND CARBON-RICH WOLF-RAYET STARS
Program Type
Normal
PI / COI
SANA/ SHENAR/ BODENSTEINER/ BORDIER/ DSILVA/ FROST/ LANGER/ LE BOUQUIN/ MAHY/ MÉRAND/ PATRICK/ REGGIANI/ TRAMPER/ VILLASEÑOR
Target
ID
41159
Name
HD_164997
RA
271.304879
DEC
-32.25986
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.1450 88.5310 109.7000 110.4000
A0-J2 126.8730 127.3590 86.1000 86.8000
A0-K0 126.9330 127.2190 64.2930 65.1040
G1-J2 58.0850 58.1420 48.6000 49.4000
G1-K0 90.3820 90.3490 20.3150 21.0080
J2-K0 47.9430 47.9860 345.2540 345.8070
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24JN.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60089.2416138
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_164997
HIERARCH ESO INS SOBJ NAME HD_164997
RA 271.304879
DEC -32.25986
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
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
EXPTIME 339.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 88.145
HIERARCH ESO ISS PBL12 END 88.531
HIERARCH ESO ISS PBLA12 START 109.7
HIERARCH ESO ISS PBLA12 END 110.4
HIERARCH ESO ISS PBL13 START 126.873
HIERARCH ESO ISS PBL13 END 127.359
HIERARCH ESO ISS PBLA13 START 86.1
HIERARCH ESO ISS PBLA13 END 86.8
HIERARCH ESO ISS PBL14 START 126.933
HIERARCH ESO ISS PBL14 END 127.219
HIERARCH ESO ISS PBLA14 START 64.293
HIERARCH ESO ISS PBLA14 END 65.104
HIERARCH ESO ISS PBL23 START 58.085
HIERARCH ESO ISS PBL23 END 58.142
HIERARCH ESO ISS PBLA23 START 48.6
HIERARCH ESO ISS PBLA23 END 49.4
HIERARCH ESO ISS PBL24 START 90.382
HIERARCH ESO ISS PBL24 END 90.349
HIERARCH ESO ISS PBLA24 START 20.315
HIERARCH ESO ISS PBLA24 END 21.008
HIERARCH ESO ISS PBL34 START 47.943
HIERARCH ESO ISS PBL34 END 47.986
HIERARCH ESO ISS PBLA34 START 345.254
HIERARCH ESO ISS PBLA34 END 345.807
HIERARCH ESO ISS AMBI TAU0 START 0.003117
HIERARCH ESO ISS AMBI TAU0 END 0.002654
HIERARCH ESO ISS AMBI TEMP 10.88
HIERARCH ESO ISS AMBI FWHM START 1.01
HIERARCH ESO ISS AMBI FWHM END 1.01