Exposure
ID
GRAVI.2023-05-22T00:45:41.036_1
Header ID
GRAVI.2023-05-22T00:45:41.036
Date updated
2023-05-22 01:00:15 UTC+0000
Release date
2023-05-22 00:45:41 UTC+0000
UTC Start
2023-05-22 00:45:41.036
UTC End
2023-05-22 00:51:41.036
MJD Start
60086.03172495
MJD End
60086.0358916167
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.003491
Ambient temperature (°C)
13.3
Seeing (arcsec)
0.575
Observation
ID
55525
Category
calibrator
Program ID
111.24JN.002
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
40801
Name
HD_75027
RA
131.430345
DEC
-46.85858
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 87.5790 87.3780 152.0000 153.4000
A0-J2 112.6980 111.8210 132.5000 134.1000
A0-K0 98.2650 96.8000 109.2110 110.6770
G1-J2 41.9160 41.1490 88.4000 89.6000
G1-K0 68.4640 67.6140 48.9550 49.4920
J2-K0 44.8940 44.8150 12.5190 13.2310
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24JN.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60086.03172495
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_75027
HIERARCH ESO INS SOBJ NAME HD_75027
RA 131.430345
DEC -46.85858
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 87.579
HIERARCH ESO ISS PBL12 END 87.378
HIERARCH ESO ISS PBLA12 START 152.0
HIERARCH ESO ISS PBLA12 END 153.4
HIERARCH ESO ISS PBL13 START 112.698
HIERARCH ESO ISS PBL13 END 111.821
HIERARCH ESO ISS PBLA13 START 132.5
HIERARCH ESO ISS PBLA13 END 134.1
HIERARCH ESO ISS PBL14 START 98.265
HIERARCH ESO ISS PBL14 END 96.8
HIERARCH ESO ISS PBLA14 START 109.211
HIERARCH ESO ISS PBLA14 END 110.677
HIERARCH ESO ISS PBL23 START 41.916
HIERARCH ESO ISS PBL23 END 41.149
HIERARCH ESO ISS PBLA23 START 88.4
HIERARCH ESO ISS PBLA23 END 89.6
HIERARCH ESO ISS PBL24 START 68.464
HIERARCH ESO ISS PBL24 END 67.614
HIERARCH ESO ISS PBLA24 START 48.955
HIERARCH ESO ISS PBLA24 END 49.492
HIERARCH ESO ISS PBL34 START 44.894
HIERARCH ESO ISS PBL34 END 44.815
HIERARCH ESO ISS PBLA34 START 12.519
HIERARCH ESO ISS PBLA34 END 13.231
HIERARCH ESO ISS AMBI TAU0 START 0.003206
HIERARCH ESO ISS AMBI TAU0 END 0.003776
HIERARCH ESO ISS AMBI TEMP 13.3
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.62