Exposure
ID
GRAVI.2023-05-25T06:00:46.465_1
Header ID
GRAVI.2023-05-25T06:00:46.465
Date updated
2023-05-25 06:15:28 UTC+0000
Release date
2023-05-25 06:00:46 UTC+0000
UTC Start
2023-05-25 06:00:46.465
UTC End
2023-05-25 06:06:06.465
MJD Start
60089.25053779
MJD End
60089.2542414937
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.002495
Ambient temperature (°C)
10.78
Seeing (arcsec)
0.87
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 88.9710 89.2780 111.2000 111.9000
A0-J2 127.8960 128.2570 87.8000 88.6000
A0-K0 127.5200 127.7050 66.1310 66.9250
G1-J2 58.1940 58.2180 50.4000 51.2000
G1-K0 90.2970 90.2490 21.8920 22.5750
J2-K0 48.0360 48.0720 346.5320 347.1050
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 60089.25053779
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 88.971
HIERARCH ESO ISS PBL12 END 89.278
HIERARCH ESO ISS PBLA12 START 111.2
HIERARCH ESO ISS PBLA12 END 111.9
HIERARCH ESO ISS PBL13 START 127.896
HIERARCH ESO ISS PBL13 END 128.257
HIERARCH ESO ISS PBLA13 START 87.8
HIERARCH ESO ISS PBLA13 END 88.6
HIERARCH ESO ISS PBL14 START 127.52
HIERARCH ESO ISS PBL14 END 127.705
HIERARCH ESO ISS PBLA14 START 66.131
HIERARCH ESO ISS PBLA14 END 66.925
HIERARCH ESO ISS PBL23 START 58.194
HIERARCH ESO ISS PBL23 END 58.218
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 51.2
HIERARCH ESO ISS PBL24 START 90.297
HIERARCH ESO ISS PBL24 END 90.249
HIERARCH ESO ISS PBLA24 START 21.892
HIERARCH ESO ISS PBLA24 END 22.575
HIERARCH ESO ISS PBL34 START 48.036
HIERARCH ESO ISS PBL34 END 48.072
HIERARCH ESO ISS PBLA34 START 346.532
HIERARCH ESO ISS PBLA34 END 347.105
HIERARCH ESO ISS AMBI TAU0 START 0.002495
HIERARCH ESO ISS AMBI TAU0 END 0.002495
HIERARCH ESO ISS AMBI TEMP 10.78
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.87