Exposure
ID
GRAVI.2023-07-23T04:10:01.006_1
Header ID
GRAVI.2023-07-23T04:10:01.006
Date updated
2023-07-23 04:20:31 UTC+0000
Release date
2023-07-23 04:10:01 UTC+0000
UTC Start
2023-07-23 04:10:01.006
UTC End
2023-07-23 04:15:21.006
MJD Start
60148.17362275
MJD End
60148.177326453704
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0033485
Ambient temperature (°C)
16.14
Seeing (arcsec)
0.63
Observation
ID
56386
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
41783
Name
HD_166240
RA
272.642879
DEC
-18.70035
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 85.6610 85.0810 124.1000 124.8000
A0-J2 122.2780 121.2800 99.5000 100.1000
A0-K0 122.9840 122.1450 76.8620 77.2260
G1-J2 56.8470 56.5770 60.8000 61.1000
G1-K0 90.2720 90.1860 32.7280 33.0980
J2-K0 48.2240 48.2220 359.0210 359.6540
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 60148.17362275
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_166240
HIERARCH ESO INS SOBJ NAME HD_166240
RA 272.642879
DEC -18.70035
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 85.661
HIERARCH ESO ISS PBL12 END 85.081
HIERARCH ESO ISS PBLA12 START 124.1
HIERARCH ESO ISS PBLA12 END 124.8
HIERARCH ESO ISS PBL13 START 122.278
HIERARCH ESO ISS PBL13 END 121.28
HIERARCH ESO ISS PBLA13 START 99.5
HIERARCH ESO ISS PBLA13 END 100.1
HIERARCH ESO ISS PBL14 START 122.984
HIERARCH ESO ISS PBL14 END 122.145
HIERARCH ESO ISS PBLA14 START 76.862
HIERARCH ESO ISS PBLA14 END 77.226
HIERARCH ESO ISS PBL23 START 56.847
HIERARCH ESO ISS PBL23 END 56.577
HIERARCH ESO ISS PBLA23 START 60.8
HIERARCH ESO ISS PBLA23 END 61.1
HIERARCH ESO ISS PBL24 START 90.272
HIERARCH ESO ISS PBL24 END 90.186
HIERARCH ESO ISS PBLA24 START 32.728
HIERARCH ESO ISS PBLA24 END 33.098
HIERARCH ESO ISS PBL34 START 48.224
HIERARCH ESO ISS PBL34 END 48.222
HIERARCH ESO ISS PBLA34 START 359.021
HIERARCH ESO ISS PBLA34 END 359.654
HIERARCH ESO ISS AMBI TAU0 START 0.002589
HIERARCH ESO ISS AMBI TAU0 END 0.004108
HIERARCH ESO ISS AMBI TEMP 16.14
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.54