Exposure
ID
GRAVI.2023-07-22T05:08:03.065_1
Header ID
GRAVI.2023-07-22T05:08:03.065
Date updated
2023-07-22 05:25:31 UTC+0000
Release date
2023-07-22 05:08:03 UTC+0000
UTC Start
2023-07-22 05:08:03.065
UTC End
2023-07-22 05:14:03.065
MJD Start
60147.21392436
MJD End
60147.21809102667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0036249999999999998
Ambient temperature (°C)
14.7
Seeing (arcsec)
0.655
Observation
ID
56359
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
41758
Name
HD_153951
RA
256.167631
DEC
-45.51129
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 86.9350 86.7140 152.6000 154.0000
A0-J2 111.1060 110.1760 132.8000 134.4000
A0-K0 96.7460 95.2120 108.9150 110.3650
G1-J2 41.5140 40.7210 87.7000 88.8000
G1-K0 68.9420 68.0880 48.3540 48.8490
J2-K0 45.2870 45.2090 12.8020 13.5020
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 60147.21392436
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_153951
HIERARCH ESO INS SOBJ NAME HD_153951
RA 256.167631
DEC -45.51129
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 86.935
HIERARCH ESO ISS PBL12 END 86.714
HIERARCH ESO ISS PBLA12 START 152.6
HIERARCH ESO ISS PBLA12 END 154.0
HIERARCH ESO ISS PBL13 START 111.106
HIERARCH ESO ISS PBL13 END 110.176
HIERARCH ESO ISS PBLA13 START 132.8
HIERARCH ESO ISS PBLA13 END 134.4
HIERARCH ESO ISS PBL14 START 96.746
HIERARCH ESO ISS PBL14 END 95.212
HIERARCH ESO ISS PBLA14 START 108.915
HIERARCH ESO ISS PBLA14 END 110.365
HIERARCH ESO ISS PBL23 START 41.514
HIERARCH ESO ISS PBL23 END 40.721
HIERARCH ESO ISS PBLA23 START 87.7
HIERARCH ESO ISS PBLA23 END 88.8
HIERARCH ESO ISS PBL24 START 68.942
HIERARCH ESO ISS PBL24 END 68.088
HIERARCH ESO ISS PBLA24 START 48.354
HIERARCH ESO ISS PBLA24 END 48.849
HIERARCH ESO ISS PBL34 START 45.287
HIERARCH ESO ISS PBL34 END 45.209
HIERARCH ESO ISS PBLA34 START 12.802
HIERARCH ESO ISS PBLA34 END 13.502
HIERARCH ESO ISS AMBI TAU0 START 0.00361
HIERARCH ESO ISS AMBI TAU0 END 0.00364
HIERARCH ESO ISS AMBI TEMP 14.7
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.62