Exposure
ID
GRAVI.2023-08-25T23:27:49.865_1
Header ID
GRAVI.2023-08-25T23:27:49.865
Date updated
2023-08-25 23:45:39 UTC+0000
Release date
2023-08-25 23:27:49 UTC+0000
UTC Start
2023-08-25 23:27:49.865
UTC End
2023-08-25 23:34:29.865
MJD Start
60181.97766047
MJD End
60181.98229009963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0043955
Ambient temperature (°C)
13.71
Seeing (arcsec)
0.9450000000000001
Observation
ID
56766
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
42039
Name
HD_169783
RA
276.735752
DEC
-13.85473
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 87.6190 88.2090 111.1000 111.4000
A0-J2 121.1470 122.4190 87.6000 88.0000
A0-K0 117.9150 119.1960 64.2530 64.9630
G1-J2 53.7820 54.2530 47.0000 47.8000
G1-K0 86.3400 86.5690 16.4670 17.3810
J2-K0 48.4170 48.3730 342.1630 342.7440
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 60181.97766047
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_169783
HIERARCH ESO INS SOBJ NAME HD_169783
RA 276.735752
DEC -13.85473
HIERARCH ESO INS SPEC RES HIGH
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 87.619
HIERARCH ESO ISS PBL12 END 88.209
HIERARCH ESO ISS PBLA12 START 111.1
HIERARCH ESO ISS PBLA12 END 111.4
HIERARCH ESO ISS PBL13 START 121.147
HIERARCH ESO ISS PBL13 END 122.419
HIERARCH ESO ISS PBLA13 START 87.6
HIERARCH ESO ISS PBLA13 END 88.0
HIERARCH ESO ISS PBL14 START 117.915
HIERARCH ESO ISS PBL14 END 119.196
HIERARCH ESO ISS PBLA14 START 64.253
HIERARCH ESO ISS PBLA14 END 64.963
HIERARCH ESO ISS PBL23 START 53.782
HIERARCH ESO ISS PBL23 END 54.253
HIERARCH ESO ISS PBLA23 START 47.0
HIERARCH ESO ISS PBLA23 END 47.8
HIERARCH ESO ISS PBL24 START 86.34
HIERARCH ESO ISS PBL24 END 86.569
HIERARCH ESO ISS PBLA24 START 16.467
HIERARCH ESO ISS PBLA24 END 17.381
HIERARCH ESO ISS PBL34 START 48.417
HIERARCH ESO ISS PBL34 END 48.373
HIERARCH ESO ISS PBLA34 START 342.163
HIERARCH ESO ISS PBLA34 END 342.744
HIERARCH ESO ISS AMBI TAU0 START 0.005388
HIERARCH ESO ISS AMBI TAU0 END 0.003403
HIERARCH ESO ISS AMBI TEMP 13.71
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 1.09