Exposure
ID
GRAVI.2023-05-24T00:28:16.365_1
Header ID
GRAVI.2023-05-24T00:28:16.365
Date updated
2023-05-24 00:40:53 UTC+0000
Release date
2023-05-24 00:28:16 UTC+0000
UTC Start
2023-05-24 00:28:16.365
UTC End
2023-05-24 00:34:16.365
MJD Start
60088.01963385
MJD End
60088.0238005167
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.003258
Ambient temperature (°C)
11.96
Seeing (arcsec)
0.685
Observation
ID
55561
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
41142
Name
HD_75027
RA
131.430344
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 87.8870 87.6830 149.9000 151.2000
A0-J2 114.0250 113.1520 130.2000 131.7000
A0-K0 100.4500 99.0170 107.0510 108.4640
G1-J2 43.0500 42.3080 86.8000 87.9000
G1-K0 69.7120 68.8960 48.1220 48.6720
J2-K0 45.0040 44.9330 11.4330 12.1470
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 60088.01963385
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_75027
HIERARCH ESO INS SOBJ NAME HD_75027
RA 131.430344
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 87.887
HIERARCH ESO ISS PBL12 END 87.683
HIERARCH ESO ISS PBLA12 START 149.9
HIERARCH ESO ISS PBLA12 END 151.2
HIERARCH ESO ISS PBL13 START 114.025
HIERARCH ESO ISS PBL13 END 113.152
HIERARCH ESO ISS PBLA13 START 130.2
HIERARCH ESO ISS PBLA13 END 131.7
HIERARCH ESO ISS PBL14 START 100.45
HIERARCH ESO ISS PBL14 END 99.017
HIERARCH ESO ISS PBLA14 START 107.051
HIERARCH ESO ISS PBLA14 END 108.464
HIERARCH ESO ISS PBL23 START 43.05
HIERARCH ESO ISS PBL23 END 42.308
HIERARCH ESO ISS PBLA23 START 86.8
HIERARCH ESO ISS PBLA23 END 87.9
HIERARCH ESO ISS PBL24 START 69.712
HIERARCH ESO ISS PBL24 END 68.896
HIERARCH ESO ISS PBLA24 START 48.122
HIERARCH ESO ISS PBLA24 END 48.672
HIERARCH ESO ISS PBL34 START 45.004
HIERARCH ESO ISS PBL34 END 44.933
HIERARCH ESO ISS PBLA34 START 11.433
HIERARCH ESO ISS PBLA34 END 12.147
HIERARCH ESO ISS AMBI TAU0 START 0.003765
HIERARCH ESO ISS AMBI TAU0 END 0.002751
HIERARCH ESO ISS AMBI TEMP 11.96
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.74