Exposure
ID
GRAVI.2023-07-21T00:49:24.667_1
Header ID
GRAVI.2023-07-21T00:49:24.667
Date updated
2023-07-21 01:00:26 UTC+0000
Release date
2023-07-21 00:49:24 UTC+0000
UTC Start
2023-07-21 00:49:24.667
UTC End
2023-07-21 00:55:24.667
MJD Start
60146.03431328
MJD End
60146.03847994666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.007286000000000001
Ambient temperature (°C)
17.45
Seeing (arcsec)
0.435
Observation
ID
56321
Category
calibrator
Program ID
111.24JN.004
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
41727
Name
HD_116471
RA
201.28244
DEC
-60.18794
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 90.5080 90.5020 144.1000 145.5000
A0-J2 124.0980 123.7040 127.1000 128.6000
A0-K0 110.9750 110.1480 108.6040 110.1230
G1-J2 45.9360 45.4450 92.0000 93.4000
G1-K0 64.5040 63.7980 53.9690 54.8850
J2-K0 40.0140 39.9520 8.9940 9.8280
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24JN.004
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60146.03431328
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_116471
HIERARCH ESO INS SOBJ NAME HD_116471
RA 201.28244
DEC -60.18794
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 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 90.508
HIERARCH ESO ISS PBL12 END 90.502
HIERARCH ESO ISS PBLA12 START 144.1
HIERARCH ESO ISS PBLA12 END 145.5
HIERARCH ESO ISS PBL13 START 124.098
HIERARCH ESO ISS PBL13 END 123.704
HIERARCH ESO ISS PBLA13 START 127.1
HIERARCH ESO ISS PBLA13 END 128.6
HIERARCH ESO ISS PBL14 START 110.975
HIERARCH ESO ISS PBL14 END 110.148
HIERARCH ESO ISS PBLA14 START 108.604
HIERARCH ESO ISS PBLA14 END 110.123
HIERARCH ESO ISS PBL23 START 45.936
HIERARCH ESO ISS PBL23 END 45.445
HIERARCH ESO ISS PBLA23 START 92.0
HIERARCH ESO ISS PBLA23 END 93.4
HIERARCH ESO ISS PBL24 START 64.504
HIERARCH ESO ISS PBL24 END 63.798
HIERARCH ESO ISS PBLA24 START 53.969
HIERARCH ESO ISS PBLA24 END 54.885
HIERARCH ESO ISS PBL34 START 40.014
HIERARCH ESO ISS PBL34 END 39.952
HIERARCH ESO ISS PBLA34 START 8.994
HIERARCH ESO ISS PBLA34 END 9.828
HIERARCH ESO ISS AMBI TAU0 START 0.00708
HIERARCH ESO ISS AMBI TAU0 END 0.007492
HIERARCH ESO ISS AMBI TEMP 17.45
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.43