Exposure
ID
GRAVI.2023-08-19T02:46:36.461_1
Header ID
GRAVI.2023-08-19T02:46:36.461
Date updated
2023-08-19 03:00:31 UTC+0000
Release date
2023-08-19 02:46:36 UTC+0000
UTC Start
2023-08-19 02:46:36.461
UTC End
2023-08-19 02:51:56.461
MJD Start
60175.11569978
MJD End
60175.1194034837
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0036284999999999998
Ambient temperature (°C)
11.57
Seeing (arcsec)
0.495
Observation
ID
56642
Category
calibrator
Program ID
111.24JN.001
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
41966
Name
HD_155808
RA
258.882528
DEC
-38.08615
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 85.9930 85.6550 142.3000 143.4000
A0-J2 113.2970 112.2370 119.7000 120.9000
A0-K0 105.1930 103.7620 94.9600 95.9070
G1-J2 47.3120 46.6640 75.4000 76.1000
G1-K0 78.6920 78.1080 41.5310 41.9240
J2-K0 47.4540 47.4240 7.7250 8.3460
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24JN.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60175.11569978
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_155808
HIERARCH ESO INS SOBJ NAME HD_155808
RA 258.882528
DEC -38.08615
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 339.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 85.993
HIERARCH ESO ISS PBL12 END 85.655
HIERARCH ESO ISS PBLA12 START 142.3
HIERARCH ESO ISS PBLA12 END 143.4
HIERARCH ESO ISS PBL13 START 113.297
HIERARCH ESO ISS PBL13 END 112.237
HIERARCH ESO ISS PBLA13 START 119.7
HIERARCH ESO ISS PBLA13 END 120.9
HIERARCH ESO ISS PBL14 START 105.193
HIERARCH ESO ISS PBL14 END 103.762
HIERARCH ESO ISS PBLA14 START 94.96
HIERARCH ESO ISS PBLA14 END 95.907
HIERARCH ESO ISS PBL23 START 47.312
HIERARCH ESO ISS PBL23 END 46.664
HIERARCH ESO ISS PBLA23 START 75.4
HIERARCH ESO ISS PBLA23 END 76.1
HIERARCH ESO ISS PBL24 START 78.692
HIERARCH ESO ISS PBL24 END 78.108
HIERARCH ESO ISS PBLA24 START 41.531
HIERARCH ESO ISS PBLA24 END 41.924
HIERARCH ESO ISS PBL34 START 47.454
HIERARCH ESO ISS PBL34 END 47.424
HIERARCH ESO ISS PBLA34 START 7.725
HIERARCH ESO ISS PBLA34 END 8.346
HIERARCH ESO ISS AMBI TAU0 START 0.003378
HIERARCH ESO ISS AMBI TAU0 END 0.003879
HIERARCH ESO ISS AMBI TEMP 11.57
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.47