Exposure
ID
GRAVI.2023-07-22T04:54:45.030_1
Header ID
GRAVI.2023-07-22T04:54:45.030
Date updated
2023-07-22 05:10:31 UTC+0000
Release date
2023-07-22 04:54:45 UTC+0000
UTC Start
2023-07-22 04:54:45.030
UTC End
2023-07-22 05:00:45.030
MJD Start
60147.20468785
MJD End
60147.20885451666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0034005
Ambient temperature (°C)
15.01
Seeing (arcsec)
0.7
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 87.4130 87.1850 149.6000 151.0000
A0-J2 113.0740 112.1420 129.6000 131.1000
A0-K0 99.9240 98.4290 105.9570 107.3420
G1-J2 43.1380 42.3770 85.5000 86.5000
G1-K0 70.6770 69.8660 47.2680 47.7890
J2-K0 45.4370 45.3680 11.3090 12.0190
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 60147.20468785
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 87.413
HIERARCH ESO ISS PBL12 END 87.185
HIERARCH ESO ISS PBLA12 START 149.6
HIERARCH ESO ISS PBLA12 END 151.0
HIERARCH ESO ISS PBL13 START 113.074
HIERARCH ESO ISS PBL13 END 112.142
HIERARCH ESO ISS PBLA13 START 129.6
HIERARCH ESO ISS PBLA13 END 131.1
HIERARCH ESO ISS PBL14 START 99.924
HIERARCH ESO ISS PBL14 END 98.429
HIERARCH ESO ISS PBLA14 START 105.957
HIERARCH ESO ISS PBLA14 END 107.342
HIERARCH ESO ISS PBL23 START 43.138
HIERARCH ESO ISS PBL23 END 42.377
HIERARCH ESO ISS PBLA23 START 85.5
HIERARCH ESO ISS PBLA23 END 86.5
HIERARCH ESO ISS PBL24 START 70.677
HIERARCH ESO ISS PBL24 END 69.866
HIERARCH ESO ISS PBLA24 START 47.268
HIERARCH ESO ISS PBLA24 END 47.789
HIERARCH ESO ISS PBL34 START 45.437
HIERARCH ESO ISS PBL34 END 45.368
HIERARCH ESO ISS PBLA34 START 11.309
HIERARCH ESO ISS PBLA34 END 12.019
HIERARCH ESO ISS AMBI TAU0 START 0.003191
HIERARCH ESO ISS AMBI TAU0 END 0.00361
HIERARCH ESO ISS AMBI TEMP 15.01
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.72